Your Local Water Profile: Santa Barbara
This profile explains what the applicable water provider reported for Santa Barbara, what those results may mean throughout a home, and where property-specific testing or inspection may still be needed.
First, confirm your water provider.
Water service can vary by address. Confirm the provider shown on your water bill before applying provider-specific results.
What the official water report says
Your water at a glance
City of Santa Barbara Water Resources Division
The report lists hardness as 420 ppm; this is very hard on the USGS scale.
USGS hardness scale: 0–60 soft; 61–120 moderately hard; 121–180 hard; >180 very hard, in mg/L as CaCO3.
Goleta Water District
The report lists hardness as 350 ppm as CaCO3; this is not classified because the reported unit could not be normalized on the USGS scale.
Reported range: 300-380 ppm as CaCO3
USGS hardness scale: 0–60 soft; 61–120 moderately hard; 121–180 hard; >180 very hard, in mg/L as CaCO3.
La Cumbre Mutual Water Company
The report lists hardness as 510 ppm; this is very hard on the USGS scale.
Reported range: 510 ppm
USGS hardness scale: 0–60 soft; 61–120 moderately hard; 121–180 hard; >180 very hard, in mg/L as CaCO3.
City of Santa Barbara Water Department — compliance, as reported
The report states: “the City’s drinking water met or exceeded state and federal standards for drinking water quality. [p. 3]”
Goleta Water District — compliance, as reported
The report states: “The District is pleased to report that it is in compliance with all primary State and Federal drinking water standards. [p. 180-182, 243]”
Violations or advisories, as reported: Variance: Goleta Water District (District) serves unfiltered Lake Cachuma water to 36 connections on the Goleta West Conduit. This water receives chlorination treatment but does not comply with the Surface Water Treatment Rule (SWTR). The District notifies these consumers quarterly that the water delivered is not in compliance with SWTR and should not be consumed. The State Water Resources Control Board – Division of Drinking Water allows the District to provide bottled water to these customers for drinking and cooking. [p. 306-318]
La Cumbre Mutual Water Company — compliance, as reported
No overall compliance statement was extracted from the reviewed report.
Violations or advisories, as reported: The report indicates 0 sites exceeded the Action Level for Lead and Copper.
The Three C's — 1 of 3
Chemistry
What does this water tend to do in a home?
City of Santa Barbara Water Department
Chloride (Surface Water)
The utility reported: 16 ppm
SECONDARY SUBSTANCES · report p. 8 · official report
Chloride (Desalinated Water)
The utility reported: 132 ppm
SECONDARY SUBSTANCES · report p. 8 · official report
pH (Surface Water)
The utility reported: 7.72 units
SECONDARY SUBSTANCES · report p. 8 · official report
pH (Desalinated Water)
The utility reported: 8.74 units
SECONDARY SUBSTANCES · report p. 8 · official report
Sulfate (Surface Water)
The utility reported: 286 ppm
SECONDARY SUBSTANCES · report p. 8 · official report
Sulfate (Desalinated Water)
The utility reported: 1.1 ppm
SECONDARY SUBSTANCES · report p. 8 · official report
Total Dissolved Solids (Surface Water)
The utility reported: 666 ppm
SECONDARY SUBSTANCES · report p. 8 · official report
Total Dissolved Solids (Desalinated Water)
The utility reported: 275 ppm
SECONDARY SUBSTANCES · report p. 8 · official report
Chlorine (Systemwide)
The utility reported: 0.79 ppm
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 8 · official report
Alkalinity (Surface Water)
The utility reported: 189 ppm
UNREGULATED SUBSTANCES · report p. 9 · official report
Alkalinity (Desalinated Water)
The utility reported: 48 ppm
UNREGULATED SUBSTANCES · report p. 9 · official report
Calcium (Surface Water)
The utility reported: 95.4 ppm
UNREGULATED SUBSTANCES · report p. 9 · official report
Calcium (Desalinated Water)
The utility reported: 18 ppm
UNREGULATED SUBSTANCES · report p. 9 · official report
Hardness, Total [as CaCO3] (Surface Water)
The utility reported: 420 ppm
UNREGULATED SUBSTANCES · report p. 9 · official report
Hardness, Total [as CaCO3] (Desalinated Water)
The utility reported: 54 ppm
UNREGULATED SUBSTANCES · report p. 9 · official report
Magnesium (Surface Water)
The utility reported: 44 ppm
UNREGULATED SUBSTANCES · report p. 9 · official report
Magnesium (Desalinated Water)
The utility reported: 2 ppm
UNREGULATED SUBSTANCES · report p. 9 · official report
Sodium (Surface Water)
The utility reported: 51 ppm
UNREGULATED SUBSTANCES · report p. 9 · official report
Sodium (Desalinated Water)
The utility reported: 78 ppm
UNREGULATED SUBSTANCES · report p. 9 · official report
Goleta Water District
Hardness
The utility reported: 350 ppm as CaCO3
Reported range: 300-380
OTHER CONSTITUENTS · report p. 315 · official report
Hardness
The utility reported: 440 ppm as CaCO3
Reported range: 400-520
OTHER CONSTITUENTS · report p. 315 · official report
Hardness
The utility reported: 20 grains per gallon
How The District Provides Quality Water · report p. 232 · official report
Calcium
The utility reported: 85 ppm
Reported range: 76-93
OTHER CONSTITUENTS · report p. 313 · official report
Calcium
The utility reported: 120 ppm
Reported range: 110-140
OTHER CONSTITUENTS · report p. 313 · official report
Magnesium
The utility reported: 34 ppm
Reported range: 27-38
OTHER CONSTITUENTS · report p. 316 · official report
Magnesium
The utility reported: 35 ppm
Reported range: 30-42
OTHER CONSTITUENTS · report p. 316 · official report
pH
The utility reported: 7.86 units
Reported range: 6.85-8.43
OTHER CONSTITUENTS · report p. 317 · official report
pH
The utility reported: 7.34 units
Reported range: 7.14-7.57
OTHER CONSTITUENTS · report p. 317 · official report
Alkalinity
The utility reported: 170 ppm as CaCO3
Reported range: 150-190
OTHER CONSTITUENTS · report p. 308 · official report
Alkalinity
The utility reported: 250 ppm as CaCO3
Reported range: 230-270
OTHER CONSTITUENTS · report p. 308 · official report
Total Dissolved Solids
The utility reported: 530 ppm
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 300 · official report
Total Dissolved Solids
The utility reported: 730 ppm
Reported range: 620-890
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 300 · official report
Chloride
The utility reported: 15 ppm
Reported range: 13-19
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 295 · official report
Chloride
The utility reported: 33 ppm
Reported range: 15-64
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 295 · official report
Sulfate
The utility reported: 260 ppm
Reported range: 230-290
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 299 · official report
Sulfate
The utility reported: 260 ppm
Reported range: 210-300
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 299 · official report
Sodium
The utility reported: 47 ppm
Reported range: 43-54
OTHER CONSTITUENTS · report p. 319 · official report
Sodium
The utility reported: 54 ppm
Reported range: 45-66
OTHER CONSTITUENTS · report p. 319 · official report
Lead 90th percentile
The utility reported: 0 ppb
LEAD AND COPPER RULE · report p. 268 · official report
Copper 90th percentile
The utility reported: 0.28 ppm
LEAD AND COPPER RULE · report p. 266 · official report
Chlorine
The utility reported: 1.23 ppm
Reported range: 0.45-1.93
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 282 · official report
La Cumbre Mutual Water Company
pH
The utility reported: 7.4 Units
Reported range: 7.1 - 7.7
Additional Parameters (Unregulated): · report p. 1 · official report
pH
The utility reported: 7.72 Units
Reported range: 7.54 - 7.89
Additional Parameters (Unregulated): · report p. 1 · official report
Alkalinity (Total) as CaCO3 equivalents
The utility reported: 295 ppm
Reported range: 290 - 300
Additional Parameters (Unregulated): · report p. 1 · official report
Alkalinity (Total) as CaCO3 equivalents
The utility reported: 189 ppm
Reported range: 173 - 204
Additional Parameters (Unregulated): · report p. 1 · official report
Total Dissolved Solids
The utility reported: 840 ppm
Reported range: 840
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Total Dissolved Solids
The utility reported: 666 ppm
Reported range: 568 - 748
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Sodium
The utility reported: 85 ppm
Reported range: 85
Additional Parameters (Unregulated): · report p. 1 · official report
Sodium
The utility reported: 51 ppm
Reported range: 48 - 53
Additional Parameters (Unregulated): · report p. 1 · official report
Chloride
The utility reported: 76 ppm
Reported range: 76
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Chloride
The utility reported: 16 ppm
Reported range: 14 - 18
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Sulfate
The utility reported: 300 ppm
Reported range: 300
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Sulfate
The utility reported: 286 ppm
Reported range: 250 - 330
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Iron
The utility reported: 5.49 ppb
Reported range: ND - 160
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Manganese
The utility reported: 0.19 ppb
Reported range: ND - 20
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Turbidity (Monthly)
The utility reported: 0.80 NTU
Reported range: 0.80
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Turbidity (Monthly)
The utility reported: 0.01 NTU
Reported range: 0.05 - 0.10
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Color (ACU)
The utility reported: Not detected at the report's stated reporting limit Units
Reported range: ND
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Color (ACU)
The utility reported: Not detected at the report's stated reporting limit Units
Reported range: NA
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Odor Threshold
The utility reported: 3 Units
Reported range: 3
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Odor Threshold
The utility reported: 8 Units
Reported range: 8
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Disinfectant - Free Chlorine Residual
The utility reported: 0.74 (d) ppm
Reported range: 0.20 - 1.60 (d)
Disinfectant Byproducts - Disinfectant Residuals - Disinfection Byproduct Precursors · report p. 1 · official report
Disinfectant - Free Chlorine Residual
The utility reported: 0.79 ppm
Reported range: ND - 1.61
Disinfectant Byproducts - Disinfectant Residuals - Disinfection Byproduct Precursors · report p. 1 · official report
Lead
The utility reported: Not detected at the report's stated reporting limit ppb
Reported range: NA
LEAD & COPPER RULES - Monitored at the customers tap. Number of sites exceeded Action Level = 0 · report p. 1 · official report
Lead
The utility reported: 3.7 ppb
Reported range: NA
LEAD & COPPER RULES - Monitored at the customers tap. Number of sites exceeded Action Level = 0 · report p. 1 · official report
Copper
The utility reported: 0.45 ppm
Reported range: NA
LEAD & COPPER RULES - Monitored at the customers tap. Number of sites exceeded Action Level = 0 · report p. 1 · official report
Copper
The utility reported: 0.62 ppm
Reported range: NA
LEAD & COPPER RULES - Monitored at the customers tap. Number of sites exceeded Action Level = 0 · report p. 1 · official report
Nitrate (as NO3)
The utility reported: 0.41 ppm
Reported range: ND - 1.2
INORGANIC CHEMICALS · report p. 1 · official report
Nitrate (as NO3)
The utility reported: 0.25 ppm
Reported range: 0.14 - 0.49
INORGANIC CHEMICALS · report p. 1 · official report
Total Trihalomethanes (Distribution System)( c)
The utility reported: 29.55 (d) ppb
Reported range: 24.20 - 41.20 (d)
Disinfectant Byproducts - Disinfectant Residuals - Disinfection Byproduct Precursors · report p. 1 · official report
Total Trihalomethanes (Distribution System)( c)
The utility reported: 38 ppb
Reported range: 0.81 - 56
Disinfectant Byproducts - Disinfectant Residuals - Disinfection Byproduct Precursors · report p. 1 · official report
Haloacetic Acids (c) (Distribution System)
The utility reported: 9.2 (d) ppb
Reported range: 7.5 - 12.1 (d)
Disinfectant Byproducts - Disinfectant Residuals - Disinfection Byproduct Precursors · report p. 1 · official report
Haloacetic Acids (c) (Distribution System)
The utility reported: 12 ppb
Reported range: 3.7 - 18
Disinfectant Byproducts - Disinfectant Residuals - Disinfection Byproduct Precursors · report p. 1 · official report
Hardness (Total) as CaCO3
The utility reported: 510 ppm
Reported range: 510
Additional Parameters (Unregulated): · report p. 1 · official report
Hardness (Total) as CaCO3
The utility reported: 420 ppm
Reported range: 360 - 464
Additional Parameters (Unregulated): · report p. 1 · official report
Calcium as Ca
The utility reported: 146.25 ppm
Reported range: 130 - 160
Additional Parameters (Unregulated): · report p. 1 · official report
Calcium as Ca
The utility reported: 95.4 ppm
Reported range: 83.3 - 106
Additional Parameters (Unregulated): · report p. 1 · official report
Magnesium
The utility reported: 38 ppm
Reported range: 38
Additional Parameters (Unregulated): · report p. 1 · official report
Magnesium
The utility reported: 44 ppm
Reported range: 38 - 49
Additional Parameters (Unregulated): · report p. 1 · official report
The Three C's — 2 of 3
Contaminants
What was reported, and what do the applicable standards mean?
Legal limit — maximum contaminant level (MCL)
The highest level legally allowed in public drinking water under the applicable rule. Do not use MCL as a generic label for goals, action levels, notification levels, or independent guidelines. It is different from a non-enforceable health goal.
California health goal — public health goal (PHG)
A non-enforceable health-protective target developed for standard-setting context. It is not the California legal limit.
Federal health goal — maximum contaminant level goal (MCLG)
A non-enforceable EPA public-health target used in setting standards. It is not the legal limit.
Legal disinfectant-residual limit — maximum residual disinfectant level (MRDL)
The highest level of a drinking-water disinfectant allowed under the applicable rule. It is not an MCL for a contaminant.
City of Santa Barbara Water Department — regulated contaminants reported as detected (23)
Aluminum
The utility reported: Not detected at the report's stated reporting limit ppm
Reported range: NA
Legal limit (MCL): 1 · Health goal (PHG): 0.6 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; residue from some surface water treatment processes
REGULATED SUBSTANCES · report p. 7 · official report
Aluminum (Desalinated Water)
The utility reported: 0.19 ppm
Reported range: NA
Legal limit (MCL): 1 · Health goal (PHG): 0.6 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; residue from some surface water treatment processes
REGULATED SUBSTANCES · report p. 7 · official report
Fluoride
The utility reported: 0.45 ppm
Reported range: 0.42–0.50
Legal limit (MCL): 2.0 · Health goal (PHG): 1 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; discharge from fertilizer and aluminum factories
REGULATED SUBSTANCES · report p. 7 · official report
Fluoride (Desalinated Water)
The utility reported: Not detected at the report's stated reporting limit ppm
Reported range: NA
Legal limit (MCL): 2.0 · Health goal (PHG): 1 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; discharge from fertilizer and aluminum factories
REGULATED SUBSTANCES · report p. 7 · official report
Gross Alpha Particle Activity
The utility reported: Not detected at the report's stated reporting limit pCi/L
Reported range: NA
Legal limit (MCL): 15 · Health goal (PHG): (0) — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits
REGULATED SUBSTANCES · report p. 7 · official report
Gross Alpha Particle Activity (Desalinated Water)
The utility reported: 1.831 pCi/L
Reported range: 0.582–3.741
Legal limit (MCL): 15 · Health goal (PHG): (0) — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits
REGULATED SUBSTANCES · report p. 7 · official report
Gross Beta Particle Activity
The utility reported: Not detected at the report's stated reporting limit pCi/L
Reported range: NA
Legal limit (MCL): 50 · Health goal (PHG): (0) — not an enforceable limit
Violation per report: No
Typical source, per the report: Decay of natural and human-made deposits
REGULATED SUBSTANCES · report p. 7 · official report
Gross Beta Particle Activity (Desalinated Water)
The utility reported: 7.52 pCi/L
Reported range: 5.73–11.4
Legal limit (MCL): 50 · Health goal (PHG): (0) — not an enforceable limit
Violation per report: No
Typical source, per the report: Decay of natural and human-made deposits
REGULATED SUBSTANCES · report p. 7 · official report
Hexavalent Chromium
The utility reported: Not detected at the report's stated reporting limit ppb
Reported range: NA
Legal limit (MCL): 10 · Health goal (PHG): 20 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; transformation of naturally occurring trivalent chromium to hexavalent chromium by natural processes and human activities such as discharges from electroplating factories, leather tanneries, wood preservation, chemical synthesis, refractory production, and textile manufacturing facilities
REGULATED SUBSTANCES · report p. 7 · official report
Hexavalent Chromium (Desalinated Water)
The utility reported: 0.3 ppb
Reported range: NA
Legal limit (MCL): 10 · Health goal (PHG): 20 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; transformation of naturally occurring trivalent chromium to hexavalent chromium by natural processes and human activities such as discharges from electroplating factories, leather tanneries, wood preservation, chemical synthesis, refractory production, and textile manufacturing facilities
REGULATED SUBSTANCES · report p. 7 · official report
Nickel
The utility reported: Not detected at the report's stated reporting limit ppb
Reported range: NA
Legal limit (MCL): 100 · Health goal (PHG): 12 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; discharge from metal factories
REGULATED SUBSTANCES · report p. 7 · official report
Nickel (Desalinated Water)
The utility reported: 29 ppb
Reported range: NA
Legal limit (MCL): 100 · Health goal (PHG): 12 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; discharge from metal factories
REGULATED SUBSTANCES · report p. 7 · official report
Nitrate
The utility reported: 0.056 ppm
Reported range: 0.031–0.11
Legal limit (MCL): 10 · Health goal (PHG): 10 — not an enforceable limit
Violation per report: No
Typical source, per the report: Runoff from fertilizer use; leaching from septic tanks and sewage; erosion of natural deposits
REGULATED SUBSTANCES · report p. 7 · official report
Nitrate (Desalinated Water)
The utility reported: Not detected at the report's stated reporting limit ppm
Reported range: NA
Legal limit (MCL): 10 · Health goal (PHG): 10 — not an enforceable limit
Violation per report: No
Typical source, per the report: Runoff from fertilizer use; leaching from septic tanks and sewage; erosion of natural deposits
REGULATED SUBSTANCES · report p. 7 · official report
Total Coliform Bacteria
The utility reported: 0 positive samples
Reported range: NA
TT: TT · Health goal (PHG): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: Naturally present in the environment
MICROBIOLOGICAL CONTAMINANTS · report p. 7 · official report
Fecal Indicator E. coli [Ground Water Rule]
The utility reported: 0 positive samples
Reported range: NA
Legal limit (MCL): 0 · Health goal (PHG): (0) — not an enforceable limit
Violation per report: No
Typical source, per the report: Human and animal fecal waste
MICROBIOLOGICAL CONTAMINANTS · report p. 7 · official report
Turbidity
The utility reported: 0.09 NTU
Reported range: NA
TT: TT · Health goal (PHG): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: Soil runoff
MICROBIOLOGICAL CONTAMINANTS · report p. 7 · official report
Turbidity (lowest monthly percent of samples meeting limit)
The utility reported: 100% %
Reported range: NA
TT: TT = 95% of samples meet the limit · Health goal (PHG): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: Soil runoff
MICROBIOLOGICAL CONTAMINANTS · report p. 7 · official report
Bromate (Surface Water)
The utility reported: 3.3 ppb
Reported range: ND–3.6
Legal limit (MCL): 10 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Typical source, per the report: By-product of drinking water disinfection
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 8 · official report
Chlorine (Systemwide)
The utility reported: 0.79 ppm
Reported range: ND - 1.61
MRDL: [4.0 (as Cl2)] · Health goal (MRDLG): [4 (as Cl2)] — not an enforceable limit
Violation per report: No
Typical source, per the report: Drinking water disinfectant added for treatment
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 8 · official report
Control of DBP precursors - Total Organic Carbon (TOC) (Surface Water)
The utility reported: 1.89 ppm
Reported range: 1.55–2.52
TT: TT · Health goal (PHG): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: Various natural and human-made sources
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 8 · official report
Haloacetic Acids [HAA5] (Systemwide)
The utility reported: 12 ppb
Reported range: 3.7 - 18
Legal limit (MCL): 60 · Health goal (PHG): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: By-product of drinking water disinfection
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 8 · official report
Total Trihalomethanes [TTHMs] (Systemwide)
The utility reported: 38 ppb
Reported range: 0.81 - 56
Legal limit (MCL): 80 · Health goal (PHG): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: By-product of drinking water disinfection
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 8 · official report
City of Santa Barbara Water Department — unregulated monitoring and secondary (aesthetic) records (27)
Unregulated means monitored without an applicable enforceable legal limit (MCL) — it does not mean unimportant or illegal. Secondary records address aesthetic, cosmetic, or technical effects such as taste, odor, staining, or scale, and are not automatically primary health standards.
Color (Surface Water)
The utility reported: Not detected at the report's stated reporting limit units
Reported range: NA
Typical source, per the report: Naturally occurring organic materials
SECONDARY SUBSTANCES · report p. 8 · official report
Color (Desalinated Water)
The utility reported: Not detected at the report's stated reporting limit units
Reported range: ND–2
Typical source, per the report: Naturally occurring organic materials
SECONDARY SUBSTANCES · report p. 8 · official report
Copper (Surface Water)
The utility reported: 0.025 ppm
Reported range: 0.012–0.067
Typical source, per the report: Internal corrosion of household plumbing systems; erosion of natural deposits; leaching from wood preservatives
SECONDARY SUBSTANCES · report p. 8 · official report
Copper (Desalinated Water)
The utility reported: 0.023 ppm
Reported range: NA
Typical source, per the report: Internal corrosion of household plumbing systems; erosion of natural deposits; leaching from wood preservatives
SECONDARY SUBSTANCES · report p. 8 · official report
Iron (Surface Water)
The utility reported: Not detected at the report's stated reporting limit ppb
Reported range: NA
Typical source, per the report: Leaching from natural deposits; industrial wastes
SECONDARY SUBSTANCES · report p. 8 · official report
Iron (Desalinated Water)
The utility reported: 50 ppb
Reported range: NA
Typical source, per the report: Leaching from natural deposits; industrial wastes
SECONDARY SUBSTANCES · report p. 8 · official report
Odor, Threshold (Surface Water)
The utility reported: 8 TON
Reported range: NA
Typical source, per the report: Naturally occurring organic materials
SECONDARY SUBSTANCES · report p. 8 · official report
Specific Conductance (Surface Water)
The utility reported: 975 µmho/cm
Reported range: 964–1,051
Typical source, per the report: Substances that form ions when in water; seawater influence
SECONDARY SUBSTANCES · report p. 8 · official report
Specific Conductance (Desalinated Water)
The utility reported: 541 µmho/cm
Reported range: 444–672
Typical source, per the report: Substances that form ions when in water; seawater influence
SECONDARY SUBSTANCES · report p. 8 · official report
Turbidity (Surface Water)
The utility reported: 0.03 NTU
Reported range: 0.02–0.09
Typical source, per the report: Soil runoff
SECONDARY SUBSTANCES · report p. 8 · official report
Turbidity (Desalinated Water)
The utility reported: 0.10 NTU
Reported range: 0.05–0.59
Typical source, per the report: Soil runoff
SECONDARY SUBSTANCES · report p. 8 · official report
Zinc (Surface Water)
The utility reported: 0.011 ppm
Reported range: 0.0074–0.020
Typical source, per the report: Runoff/leaching from natural deposits; industrial wastes
SECONDARY SUBSTANCES · report p. 8 · official report
Zinc (Desalinated Water)
The utility reported: 0.16 ppm
Reported range: NA
Typical source, per the report: Runoff/leaching from natural deposits; industrial wastes
SECONDARY SUBSTANCES · report p. 8 · official report
Bromochloroacetic Acid (Systemwide)
The utility reported: 3.0 ppb
Reported range: ND - 4.4
Typical source, per the report: By-product of drinking water disinfection
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 8 · official report
Bromodichloromethane (Systemwide)
The utility reported: 8.0 ppb
Reported range: DNQ - 18
Typical source, per the report: By-product of drinking water disinfection
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 8 · official report
Bromoform (Systemwide)
The utility reported: Not detected at the report's stated reporting limit ppb
Reported range: DNQ - 5.6
Typical source, per the report: By-product of drinking water disinfection
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 8 · official report
Chloroform (Systemwide)
The utility reported: 14 ppb
Reported range: ND - 28
Typical source, per the report: By-product of drinking water disinfection
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 8 · official report
Dibromoacetic Acid (Systemwide)
The utility reported: 1.7 ppb
Reported range: DNQ - 2.7
Typical source, per the report: By-product of drinking water disinfection
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 8 · official report
Dibromoacetic Acid (Desalinated Water)
The utility reported: 3 ppb
Reported range: 1-4
Typical source, per the report: By-product of drinking water disinfection
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 8 · official report
Dibromochloromethane (Systemwide)
The utility reported: 5.3 ppb
Reported range: DNQ - 13
Typical source, per the report: By-product of drinking water disinfection
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 8 · official report
Dichloroacetic Acid (Systemwide)
The utility reported: 5.8 ppb
Reported range: ND - 11
Typical source, per the report: By-product of drinking water disinfection
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 8 · official report
Trichloroacetic Acid (Systemwide)
The utility reported: 4.0 ppb
Reported range: ND - 7.5
Typical source, per the report: By-product of drinking water disinfection
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 8 · official report
Boron (Surface Water)
The utility reported: 0.38 ppm
Reported range: 0.37–0.39
Typical source, per the report: NA
UNREGULATED SUBSTANCES · report p. 9 · official report
Boron (Desalinated Water)
The utility reported: 0.861 ppm
Reported range: 0.65–1.151
Typical source, per the report: NA
UNREGULATED SUBSTANCES · report p. 9 · official report
Lithium (Systemwide)
The utility reported: 22.7 ppb
Reported range: ND–42.5
Typical source, per the report: NA
UNREGULATED SUBSTANCES · report p. 9 · official report
Potassium (Surface Water)
The utility reported: 2.8 ppm
Reported range: 2.3–2.9
Typical source, per the report: NA
UNREGULATED SUBSTANCES · report p. 9 · official report
Potassium (Desalinated Water)
The utility reported: 43 ppm
Reported range: NA
Typical source, per the report: NA
UNREGULATED SUBSTANCES · report p. 9 · official report
Goleta Water District — regulated contaminants reported as detected (19)
Aluminum
The utility reported: 0.05 ppm
Reported range: ND-0.11
Legal limit (MCL): 1 · Health goal (PHG): 0.6 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; residue from some surface water treatment processes
REGULATED CONTAMINANTS WITH PRIMARY MCLS · report p. 248 · official report
Aluminum
The utility reported: Not detected at the report's stated reporting limit ppm
Reported range: ND-ND
Legal limit (MCL): 1 · Health goal (PHG): 0.6 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; residue from some surface water treatment processes
REGULATED CONTAMINANTS WITH PRIMARY MCLS · report p. 248 · official report
Fluoride
The utility reported: 0.42 ppm
Legal limit (MCL): 2.0 · Health goal (PHG): 1 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; discharge from fertilizer and aluminum factories
REGULATED CONTAMINANTS WITH PRIMARY MCLS · report p. 250 · official report
Fluoride
The utility reported: 0.39 ppm
Reported range: 0.33-0.47
Legal limit (MCL): 2.0 · Health goal (PHG): 1 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; discharge from fertilizer and aluminum factories
REGULATED CONTAMINANTS WITH PRIMARY MCLS · report p. 250 · official report
Nitrate as N
The utility reported: Not detected at the report's stated reporting limit ppm
Legal limit (MCL): 10 · Health goal (PHG): 10 — not an enforceable limit
Violation per report: No
Typical source, per the report: Runoff and leaching from fertilizer use; leaching from septic tanks and sewage; erosion of natural deposits
REGULATED CONTAMINANTS WITH PRIMARY MCLS · report p. 252 · official report
Nitrate as N
The utility reported: Not detected at the report's stated reporting limit ppm
Reported range: ND-0.5
Legal limit (MCL): 10 · Health goal (PHG): 10 — not an enforceable limit
Violation per report: No
Typical source, per the report: Runoff and leaching from fertilizer use; leaching from septic tanks and sewage; erosion of natural deposits
REGULATED CONTAMINANTS WITH PRIMARY MCLS · report p. 252 · official report
Gross Alpha particle activity
The utility reported: Not detected at the report's stated reporting limit pCi/I
Legal limit (MCL): 15 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits
RADIOLOGICAL · report p. 259 · official report
Gross Alpha particle activity
The utility reported: Not detected at the report's stated reporting limit pCi/I
Reported range: ND-8.8
Legal limit (MCL): 15 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits
RADIOLOGICAL · report p. 259 · official report
Gross Beta particle activity
The utility reported: Not detected at the report's stated reporting limit pCi/I
Legal limit (MCL): 50 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Typical source, per the report: Decay of natural and man-made deposits
RADIOLOGICAL · report p. 260 · official report
Gross Beta particle activity
The utility reported: Not detected at the report's stated reporting limit pCi/I
Reported range: ND-4.7
Legal limit (MCL): 50 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Typical source, per the report: Decay of natural and man-made deposits
RADIOLOGICAL · report p. 260 · official report
Uranium
The utility reported: 1.2 pCi/I
Legal limit (MCL): 20 · Health goal (PHG): 0.43 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits
RADIOLOGICAL · report p. 261 · official report
Uranium
The utility reported: 2.3 pCi/I
Reported range: ND-8.1
Legal limit (MCL): 20 · Health goal (PHG): 0.43 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits
RADIOLOGICAL · report p. 261 · official report
Copper
The utility reported: 0.28 ppm
AL: 1.3 · Health goal (PHG): 0.3 — not an enforceable limit
Violation per report: No
Typical source, per the report: Internal corrosion of household plumbing systems; erosion of natural deposits; leaching from wood preservatives
LEAD AND COPPER RULE · report p. 266 · official report
Lead
The utility reported: 0 ppb
AL: 15 · Health goal (PHG): 0.2 — not an enforceable limit
Violation per report: No
Typical source, per the report: Internal corrosion of household and other private water plumbing systems; discharge from industrial manufacturers; erosion of natural deposits
LEAD AND COPPER RULE · report p. 268 · official report
Turbidity
The utility reported: 0.11 NTU
TT: TT
Violation per report: No
Typical source, per the report: Soil runoff
MICROBIOLOGICAL · report p. 274 · official report
TTHMs [Total Trihalomethanes]
The utility reported: 44 ppb
Reported range: 21-47
Legal limit (MCL): 80
Violation per report: No
Typical source, per the report: Byproduct of drinking water disinfection
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 280 · official report
Haloacetic Acids
The utility reported: 20 ppb
Reported range: 11-24
Legal limit (MCL): 60
Violation per report: No
Typical source, per the report: Byproduct of drinking water disinfection
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 281 · official report
Chlorine
The utility reported: 1.23 ppm
Reported range: 0.45-1.93
MRDL: 4.0 · Health goal (MRDLG): 4.0 — not an enforceable limit
Violation per report: No
Typical source, per the report: Drinking water disinfectant added for treatment
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 282 · official report
Control of DBP precursors (TOC)
The utility reported: 1.9 ppm
Reported range: 1.6-2.2
TT: TT
Violation per report: No
Typical source, per the report: Various natural and manmade sources
DISINFECTION BYPRODUCTS, DISINFECTION RESIDUALS, AND DISINFECTION BYPRODUCT PRECURSORS · report p. 283 · official report
Goleta Water District — unregulated monitoring and secondary (aesthetic) records (34)
Unregulated means monitored without an applicable enforceable legal limit (MCL) — it does not mean unimportant or illegal. Secondary records address aesthetic, cosmetic, or technical effects such as taste, odor, staining, or scale, and are not automatically primary health standards.
Lithium
The utility reported: 32 ppb
UNREGULATED CONTAMINANTS WITH REQUIRED MONITORING · report p. 290 · official report
Lithium
The utility reported: 31 ppb
Reported range: 26-38
UNREGULATED CONTAMINANTS WITH REQUIRED MONITORING · report p. 290 · official report
Chloride
The utility reported: 15 ppm
Reported range: 13-19
Typical source, per the report: Runoff/leaching from natural deposits; seawater influence
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 295 · official report
Chloride
The utility reported: 33 ppm
Reported range: 15-64
Typical source, per the report: Runoff/leaching from natural deposits; seawater influence
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 295 · official report
Color
The utility reported: Not detected at the report's stated reporting limit units
Reported range: ND-5
Typical source, per the report: Naturally-occurring organic materials
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 296 · official report
Color
The utility reported: Not detected at the report's stated reporting limit units
Reported range: ND-ND
Typical source, per the report: Naturally-occurring organic materials
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 296 · official report
Odor-Threshold
The utility reported: 1 units
Reported range: 1-2
Typical source, per the report: Naturally-occurring organic materials
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 297 · official report
Odor-Threshold
The utility reported: 1.4 units
Reported range: 1-3
Typical source, per the report: Naturally-occurring organic materials
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 297 · official report
Specific Conductance
The utility reported: 920 \u00b5mhos/cm
Reported range: 760-1330
Typical source, per the report: Substances that form ions when in water; seawater influence
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 298 · official report
Specific Conductance
The utility reported: 1130 \u00b5mhos/cm
Reported range: 930-1320
Typical source, per the report: Substances that form ions when in water; seawater influence
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 298 · official report
Sulfate
The utility reported: 260 ppm
Reported range: 230-290
Typical source, per the report: Runoff/leaching from natural deposits; industrial wastes
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 299 · official report
Sulfate
The utility reported: 260 ppm
Reported range: 210-300
Typical source, per the report: Runoff/leaching from natural deposits; industrial wastes
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 299 · official report
Total Dissolved Solids
The utility reported: 530 ppm
Typical source, per the report: Runoff/leaching from natural deposits
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 300 · official report
Total Dissolved Solids
The utility reported: 730 ppm
Reported range: 620-890
Typical source, per the report: Runoff/leaching from natural deposits
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 300 · official report
Turbidity
The utility reported: 0.04 NTU
Reported range: 0.02-0.11
Typical source, per the report: Soil runoff
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 301 · official report
Turbidity
The utility reported: 0.08 NTU
Reported range: 0.05-0.15
Typical source, per the report: Soil runoff
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 301 · official report
Alkalinity
The utility reported: 170 ppm as CaCO3
Reported range: 150-190
OTHER CONSTITUENTS · report p. 308 · official report
Alkalinity
The utility reported: 250 ppm as CaCO3
Reported range: 230-270
OTHER CONSTITUENTS · report p. 308 · official report
Bicarbonate
The utility reported: 160 ppm
Reported range: 150-170
OTHER CONSTITUENTS · report p. 309 · official report
Bicarbonate
The utility reported: 250 ppm
Reported range: 230-270
OTHER CONSTITUENTS · report p. 309 · official report
Boron
The utility reported: 0.34 ppb
Reported range: 0.29-0.40
OTHER CONSTITUENTS · report p. 311 · official report
Boron
The utility reported: 0.19 ppb
Reported range: 0.11-0.30
OTHER CONSTITUENTS · report p. 311 · official report
Calcium
The utility reported: 85 ppm
Reported range: 76-93
OTHER CONSTITUENTS · report p. 313 · official report
Calcium
The utility reported: 120 ppm
Reported range: 110-140
OTHER CONSTITUENTS · report p. 313 · official report
Hardness
The utility reported: 350 ppm as CaCO3
Reported range: 300-380
OTHER CONSTITUENTS · report p. 315 · official report
Hardness
The utility reported: 440 ppm as CaCO3
Reported range: 400-520
OTHER CONSTITUENTS · report p. 315 · official report
Magnesium
The utility reported: 34 ppm
Reported range: 27-38
OTHER CONSTITUENTS · report p. 316 · official report
Magnesium
The utility reported: 35 ppm
Reported range: 30-42
OTHER CONSTITUENTS · report p. 316 · official report
pH
The utility reported: 7.86 units
Reported range: 6.85-8.43
OTHER CONSTITUENTS · report p. 317 · official report
pH
The utility reported: 7.34 units
Reported range: 7.14-7.57
OTHER CONSTITUENTS · report p. 317 · official report
Potassium
The utility reported: 2.7 ppm
Reported range: 2.3-3.8
OTHER CONSTITUENTS · report p. 318 · official report
Sodium
The utility reported: 47 ppm
Reported range: 43-54
OTHER CONSTITUENTS · report p. 319 · official report
Sodium
The utility reported: 54 ppm
Reported range: 45-66
OTHER CONSTITUENTS · report p. 319 · official report
La Cumbre Mutual Water Company — regulated contaminants reported as detected (19)
Combined Filter Effluent Turbidity
The utility reported: 0.09 NTU
Reported range: NA
TT: 1 NTU · Health goal (NA): NA — not an enforceable limit
Violation per report: NA
Typical source, per the report: Soil runoff
CLARITY (a) · report p. 1 · official report
Combined Filter Effluent Turbidity
The utility reported: 100% Samples <= 0.3 NTU NTU
Reported range: NA
TT: 95% of samples <0.3 NTU · Health goal (NA): NA — not an enforceable limit
Violation per report: NA
Typical source, per the report: Soil runoff
CLARITY (a) · report p. 1 · official report
Total Trihalomethanes (Distribution System)( c)
The utility reported: 29.55 (d) ppb
Reported range: 24.20 - 41.20 (d)
Legal limit (MCL): 80 · Health goal (NA): NA — not an enforceable limit
Violation per report: NA
Typical source, per the report: By-product of drinking water disinfection
Disinfectant Byproducts - Disinfectant Residuals - Disinfection Byproduct Precursors · report p. 1 · official report
Total Trihalomethanes (Distribution System)( c)
The utility reported: 38 ppb
Reported range: 0.81 - 56
Legal limit (MCL): 80 · Health goal (NA): NA — not an enforceable limit
Violation per report: NA
Typical source, per the report: By-product of drinking water disinfection
Disinfectant Byproducts - Disinfectant Residuals - Disinfection Byproduct Precursors · report p. 1 · official report
Haloacetic Acids (c) (Distribution System)
The utility reported: 9.2 (d) ppb
Reported range: 7.5 - 12.1 (d)
Legal limit (MCL): 60 · Health goal (NA): NA — not an enforceable limit
Violation per report: NA
Typical source, per the report: By-product of drinking water disinfection
Disinfectant Byproducts - Disinfectant Residuals - Disinfection Byproduct Precursors · report p. 1 · official report
Haloacetic Acids (c) (Distribution System)
The utility reported: 12 ppb
Reported range: 3.7 - 18
Legal limit (MCL): 60 · Health goal (NA): NA — not an enforceable limit
Violation per report: NA
Typical source, per the report: By-product of drinking water disinfection
Disinfectant Byproducts - Disinfectant Residuals - Disinfection Byproduct Precursors · report p. 1 · official report
Disinfectant - Free Chlorine Residual
The utility reported: 0.74 (d) ppm
Reported range: 0.20 - 1.60 (d)
MRDL as Cl2: 4.0 · Health goal (MRDLG as Cl2): 4.0 — not an enforceable limit
Violation per report: NA
Typical source, per the report: Measurement of the disinfectant used in the production of drinking water
Disinfectant Byproducts - Disinfectant Residuals - Disinfection Byproduct Precursors · report p. 1 · official report
Disinfectant - Free Chlorine Residual
The utility reported: 0.79 ppm
Reported range: ND - 1.61
MRDL as Cl2: 4.0 · Health goal (MRDLG as Cl2): 4.0 — not an enforceable limit
Violation per report: NA
Typical source, per the report: Measurement of the disinfectant used in the production of drinking water
Disinfectant Byproducts - Disinfectant Residuals - Disinfection Byproduct Precursors · report p. 1 · official report
Control of DBP precursors - TOC
The utility reported: 0.75 (d) ppm
Reported range: 0.61 - 0.90 (d)
TT: TT · Health goal (NA): NA — not an enforceable limit
Violation per report: NA
Typical source, per the report: Various natural and manmade sources
Disinfectant Byproducts - Disinfectant Residuals - Disinfection Byproduct Precursors · report p. 1 · official report
Control of DBP precursors - TOC
The utility reported: 1.89 ppm
Reported range: 1.55 - 2.52
TT: TT · Health goal (NA): NA — not an enforceable limit
Violation per report: NA
Typical source, per the report: Various natural and manmade sources
Disinfectant Byproducts - Disinfectant Residuals - Disinfection Byproduct Precursors · report p. 1 · official report
Fluoride
The utility reported: 0.46 ppm
Reported range: 0.41 - 0.51
Legal limit (MCL): 2 · Health goal (PHG (MCLG)): 1 — not an enforceable limit
Violation per report: NA
Typical source, per the report: Erosion of natural deposits; water additive for tooth health
INORGANIC CHEMICALS · report p. 1 · official report
Fluoride
The utility reported: 0.45 ppm
Reported range: 0.42 - 0.50
Legal limit (MCL): 2 · Health goal (PHG (MCLG)): 1 — not an enforceable limit
Violation per report: NA
Typical source, per the report: Erosion of natural deposits; water additive for tooth health
INORGANIC CHEMICALS · report p. 1 · official report
Nitrate (as NO3)
The utility reported: 0.41 ppm
Reported range: ND - 1.2
Legal limit (MCL): 45 · Health goal (PHG (MCLG)): 45 — not an enforceable limit
Violation per report: NA
Typical source, per the report: Runoff & leaching from fertilizer use; sewage; natural erosion
INORGANIC CHEMICALS · report p. 1 · official report
Nitrate (as NO3)
The utility reported: 0.25 ppm
Reported range: 0.14 - 0.49
Legal limit (MCL): 45 · Health goal (PHG (MCLG)): 45 — not an enforceable limit
Violation per report: NA
Typical source, per the report: Runoff & leaching from fertilizer use; sewage; natural erosion
INORGANIC CHEMICALS · report p. 1 · official report
Copper
The utility reported: 0.45 ppm
Reported range: NA
AL: 1.3 · Health goal (PHG (MCLG)): 0.3 — not an enforceable limit
Violation per report: NA
Typical source, per the report: Internal corrosion of household plumbing systems; erosion of natural deposits; leaching from wood preservatives.
LEAD & COPPER RULES - Monitored at the customers tap. Number of sites exceeded Action Level = 0 · report p. 1 · official report
Copper
The utility reported: 0.62 ppm
Reported range: NA
AL: 1.3 · Health goal (PHG (MCLG)): 0.3 — not an enforceable limit
Violation per report: NA
Typical source, per the report: Internal corrosion of household plumbing systems; erosion of natural deposits; leaching from wood preservatives.
LEAD & COPPER RULES - Monitored at the customers tap. Number of sites exceeded Action Level = 0 · report p. 1 · official report
Lead
The utility reported: 3.7 ppb
Reported range: NA
AL: 15 · Health goal (PHG (MCLG)): 0.2 — not an enforceable limit
Violation per report: NA
Typical source, per the report: Internal corrosion of household plumbing systems; discharges from industrial manufactures; erosion of natural deposits.
LEAD & COPPER RULES - Monitored at the customers tap. Number of sites exceeded Action Level = 0 · report p. 1 · official report
Gross Alpha
The utility reported: 3.95 pCi/L
Reported range: 3.1 - 4.8
Legal limit (MCL): 15 · Health goal (PHG (MCLG)): 0 — not an enforceable limit
Violation per report: NA
Typical source, per the report: Erosion of natural deposits
RADIOCHEMISTRY - Radioactive Contaminants · report p. 1 · official report
Radium 228
The utility reported: 0.37 pCi/L
Reported range: 0.141 - 0.994
Violation per report: NA
Typical source, per the report: Erosion of natural deposits
RADIOCHEMISTRY - Radioactive Contaminants · report p. 1 · official report
La Cumbre Mutual Water Company — unregulated monitoring and secondary (aesthetic) records (34)
Unregulated means monitored without an applicable enforceable legal limit (MCL) — it does not mean unimportant or illegal. Secondary records address aesthetic, cosmetic, or technical effects such as taste, odor, staining, or scale, and are not automatically primary health standards.
Chloride
The utility reported: 76 ppm
Reported range: 76
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Chloride
The utility reported: 16 ppm
Reported range: 14 - 18
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Color (ACU)
The utility reported: Not detected at the report's stated reporting limit Units
Reported range: ND
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Color (ACU)
The utility reported: Not detected at the report's stated reporting limit Units
Reported range: NA
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Copper
The utility reported: 25 ppb
Reported range: 12 - 67
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Iron
The utility reported: 5.49 ppb
Reported range: ND - 160
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Manganese
The utility reported: 0.19 ppb
Reported range: ND - 20
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Odor Threshold
The utility reported: 3 Units
Reported range: 3
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Odor Threshold
The utility reported: 8 Units
Reported range: 8
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Specific Conductance
The utility reported: 1275 µmho/cm
Reported range: 1200 - 1300
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Specific Conductance
The utility reported: 975 µmho/cm
Reported range: 964 - 1051
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Sulfate
The utility reported: 300 ppm
Reported range: 300
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Sulfate
The utility reported: 286 ppm
Reported range: 250 - 330
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Total Dissolved Solids
The utility reported: 840 ppm
Reported range: 840
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Total Dissolved Solids
The utility reported: 666 ppm
Reported range: 568 - 748
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Turbidity (Monthly)
The utility reported: 0.80 NTU
Reported range: 0.80
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Turbidity (Monthly)
The utility reported: 0.01 NTU
Reported range: 0.05 - 0.10
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Zinc
The utility reported: 0.011 ppm
Reported range: 0.0074 - 0.020
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Alkalinity (Total) as CaCO3 equivalents
The utility reported: 295 ppm
Reported range: 290 - 300
Additional Parameters (Unregulated): · report p. 1 · official report
Alkalinity (Total) as CaCO3 equivalents
The utility reported: 189 ppm
Reported range: 173 - 204
Additional Parameters (Unregulated): · report p. 1 · official report
Calcium as Ca
The utility reported: 146.25 ppm
Reported range: 130 - 160
Additional Parameters (Unregulated): · report p. 1 · official report
Calcium as Ca
The utility reported: 95.4 ppm
Reported range: 83.3 - 106
Additional Parameters (Unregulated): · report p. 1 · official report
Hardness (Total) as CaCO3
The utility reported: 510 ppm
Reported range: 510
Additional Parameters (Unregulated): · report p. 1 · official report
Hardness (Total) as CaCO3
The utility reported: 420 ppm
Reported range: 360 - 464
Additional Parameters (Unregulated): · report p. 1 · official report
Magnesium
The utility reported: 38 ppm
Reported range: 38
Additional Parameters (Unregulated): · report p. 1 · official report
Magnesium
The utility reported: 44 ppm
Reported range: 38 - 49
Additional Parameters (Unregulated): · report p. 1 · official report
pH
The utility reported: 7.4 Units
Reported range: 7.1 - 7.7
Additional Parameters (Unregulated): · report p. 1 · official report
pH
The utility reported: 7.72 Units
Reported range: 7.54 - 7.89
Additional Parameters (Unregulated): · report p. 1 · official report
Potassium
The utility reported: 3.40 ppm
Reported range: 3.40
Additional Parameters (Unregulated): · report p. 1 · official report
Potassium
The utility reported: 2.8 ppm
Reported range: 2.3 - 2.9
Additional Parameters (Unregulated): · report p. 1 · official report
Sodium
The utility reported: 85 ppm
Reported range: 85
Additional Parameters (Unregulated): · report p. 1 · official report
Sodium
The utility reported: 51 ppm
Reported range: 48 - 53
Additional Parameters (Unregulated): · report p. 1 · official report
Boron
The utility reported: 160 ppb
Reported range: 160
Constituents of Concern: · report p. 1 · official report
Boron
The utility reported: 380 ppb
Reported range: 370 - 390
Constituents of Concern: · report p. 1 · official report
The Three C's — 3 of 3
Corrosion
What conditions could influence pipes, fixtures, and a water heater?
City of Santa Barbara Water Department
Chloride (Surface Water)
The utility reported: 16 ppm
SECONDARY SUBSTANCES · report p. 8 · official report
Chloride (Desalinated Water)
The utility reported: 132 ppm
SECONDARY SUBSTANCES · report p. 8 · official report
pH (Surface Water)
The utility reported: 7.72 units
SECONDARY SUBSTANCES · report p. 8 · official report
pH (Desalinated Water)
The utility reported: 8.74 units
SECONDARY SUBSTANCES · report p. 8 · official report
Sulfate (Surface Water)
The utility reported: 286 ppm
SECONDARY SUBSTANCES · report p. 8 · official report
Sulfate (Desalinated Water)
The utility reported: 1.1 ppm
SECONDARY SUBSTANCES · report p. 8 · official report
Alkalinity (Surface Water)
The utility reported: 189 ppm
UNREGULATED SUBSTANCES · report p. 9 · official report
Alkalinity (Desalinated Water)
The utility reported: 48 ppm
UNREGULATED SUBSTANCES · report p. 9 · official report
Gross Alpha Particle Activity
The utility reported: Not detected at the report's stated reporting limit pCi/L
Reported range: NA
Typical source, per the report: Erosion of natural deposits
REGULATED SUBSTANCES · report p. 7 · official report
Gross Alpha Particle Activity (Desalinated Water)
The utility reported: 1.831 pCi/L
Reported range: 0.582–3.741
Typical source, per the report: Erosion of natural deposits
REGULATED SUBSTANCES · report p. 7 · official report
Copper (Surface Water)
The utility reported: 0.025 ppm
Reported range: 0.012–0.067
Typical source, per the report: Internal corrosion of household plumbing systems; erosion of natural deposits; leaching from wood preservatives
SECONDARY SUBSTANCES · report p. 8 · official report
Copper (Desalinated Water)
The utility reported: 0.023 ppm
Reported range: NA
Typical source, per the report: Internal corrosion of household plumbing systems; erosion of natural deposits; leaching from wood preservatives
SECONDARY SUBSTANCES · report p. 8 · official report
Goleta Water District
pH
The utility reported: 7.86 units
Reported range: 6.85-8.43
OTHER CONSTITUENTS · report p. 317 · official report
pH
The utility reported: 7.34 units
Reported range: 7.14-7.57
OTHER CONSTITUENTS · report p. 317 · official report
Alkalinity
The utility reported: 170 ppm as CaCO3
Reported range: 150-190
OTHER CONSTITUENTS · report p. 308 · official report
Alkalinity
The utility reported: 250 ppm as CaCO3
Reported range: 230-270
OTHER CONSTITUENTS · report p. 308 · official report
Chloride
The utility reported: 15 ppm
Reported range: 13-19
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 295 · official report
Chloride
The utility reported: 33 ppm
Reported range: 15-64
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 295 · official report
Sulfate
The utility reported: 260 ppm
Reported range: 230-290
REGULATED CONTAMINANTS WITH SECONDARY MCLS · report p. 299 · official report
Lead 90th percentile
The utility reported: 0 ppb
LEAD AND COPPER RULE · report p. 268 · official report
Copper 90th percentile
The utility reported: 0.28 ppm
LEAD AND COPPER RULE · report p. 266 · official report
Gross Alpha particle activity
The utility reported: Not detected at the report's stated reporting limit pCi/I
Typical source, per the report: Erosion of natural deposits
RADIOLOGICAL · report p. 259 · official report
Copper
The utility reported: 0.28 ppm
Typical source, per the report: Internal corrosion of household plumbing systems; erosion of natural deposits; leaching from wood preservatives
LEAD AND COPPER RULE · report p. 266 · official report
Lead
The utility reported: 0 ppb
Typical source, per the report: Internal corrosion of household and other private water plumbing systems; discharge from industrial manufacturers; erosion of natural deposits
LEAD AND COPPER RULE · report p. 268 · official report
La Cumbre Mutual Water Company
pH
The utility reported: 7.4 Units
Reported range: 7.1 - 7.7
Additional Parameters (Unregulated): · report p. 1 · official report
pH
The utility reported: 7.72 Units
Reported range: 7.54 - 7.89
Additional Parameters (Unregulated): · report p. 1 · official report
Alkalinity (Total) as CaCO3 equivalents
The utility reported: 295 ppm
Reported range: 290 - 300
Additional Parameters (Unregulated): · report p. 1 · official report
Alkalinity (Total) as CaCO3 equivalents
The utility reported: 189 ppm
Reported range: 173 - 204
Additional Parameters (Unregulated): · report p. 1 · official report
Chloride
The utility reported: 76 ppm
Reported range: 76
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Chloride
The utility reported: 16 ppm
Reported range: 14 - 18
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Sulfate
The utility reported: 300 ppm
Reported range: 300
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Sulfate
The utility reported: 286 ppm
Reported range: 250 - 330
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Disinfectant - Free Chlorine Residual
The utility reported: 0.74 (d) ppm
Reported range: 0.20 - 1.60 (d)
Disinfectant Byproducts - Disinfectant Residuals - Disinfection Byproduct Precursors · report p. 1 · official report
Disinfectant - Free Chlorine Residual
The utility reported: 0.79 ppm
Reported range: ND - 1.61
Disinfectant Byproducts - Disinfectant Residuals - Disinfection Byproduct Precursors · report p. 1 · official report
Lead
The utility reported: Not detected at the report's stated reporting limit ppb
Reported range: NA
LEAD & COPPER RULES - Monitored at the customers tap. Number of sites exceeded Action Level = 0 · report p. 1 · official report
Lead
The utility reported: 3.7 ppb
Reported range: NA
LEAD & COPPER RULES - Monitored at the customers tap. Number of sites exceeded Action Level = 0 · report p. 1 · official report
Copper
The utility reported: 0.45 ppm
Reported range: NA
LEAD & COPPER RULES - Monitored at the customers tap. Number of sites exceeded Action Level = 0 · report p. 1 · official report
Copper
The utility reported: 0.62 ppm
Reported range: NA
LEAD & COPPER RULES - Monitored at the customers tap. Number of sites exceeded Action Level = 0 · report p. 1 · official report
Gross Alpha
The utility reported: 3.95 pCi/L
Reported range: 3.1 - 4.8
Typical source, per the report: Erosion of natural deposits
RADIOCHEMISTRY - Radioactive Contaminants · report p. 1 · official report
Copper
The utility reported: 25 ppb
Reported range: 12 - 67
SECONDARY STANDARDS--Aesthetic Standards · report p. 1 · official report
Whole-Home Relevance
What this may mean throughout your home
Local conditions can be relevant to equipment and fixtures — actual effects depend on your property.
Water heater (tank and tankless)
- What the local report can tell us
- The report's hardness and mineral values above are the system-level inputs most relevant to scale and sediment where water is heated.
- What a homeowner may notice
- Hardness minerals can contribute to scale on heating surfaces, sediment in tanks, and more frequent flushing or descaling needs.
- What the report cannot tell us
- Property-specific outcomes — actual effects depend on temperature, use, equipment design, installation, maintenance, and property plumbing.
- Responsible next step
- Inspect the actual water heater and plumbing when symptoms involve hot-water odor, scale, sediment, corrosion, flow, noise, or repeated service demand.
Dishwasher and washing machine
- What the local report can tell us
- Reported hardness and secondary (aesthetic) records are the relevant system-level context for spotting and residue.
- What a homeowner may notice
- Hard water can change soap behavior and may contribute to spotting on dishes and residue in laundry.
- What the report cannot tell us
- Property-specific outcomes — actual effects depend on temperature, use, equipment design, installation, maintenance, and property plumbing.
- Responsible next step
- Inspect the actual water heater and plumbing when symptoms involve hot-water odor, scale, sediment, corrosion, flow, noise, or repeated service demand.
Pipes, fixtures, faucets, and supply lines
- What the local report can tell us
- The corrosion-related inputs above (such as pH) describe the water entering the property — not the condition of any specific plumbing.
- What a homeowner may notice
- Mineral deposits can appear on aerators and fixtures; corrosion outcomes depend on materials, age, and water conditions together.
- What the report cannot tell us
- Property-specific outcomes — actual effects depend on temperature, use, equipment design, installation, maintenance, and property plumbing.
- Responsible next step
- Inspect the actual water heater and plumbing when symptoms involve hot-water odor, scale, sediment, corrosion, flow, noise, or repeated service demand.
Drinking and cooking water
- What the local report can tell us
- The contaminant records above show what the utility reported for the system and period, with each benchmark type labeled.
- What a homeowner may notice
- Taste, odor, or aesthetic preferences can be noticeable even when health-based standards are met.
- What the report cannot tell us
- Property-specific outcomes — actual effects depend on temperature, use, equipment design, installation, maintenance, and property plumbing.
- Responsible next step
- Inspect the actual water heater and plumbing when symptoms involve hot-water odor, scale, sediment, corrosion, flow, noise, or repeated service demand.
Decision Pathways
Treatment pathways to evaluate
Treatment is a decision pathway, not a product conclusion — no equipment can be responsibly chosen from city-level data alone.
The evaluation sequence we follow, in order:
- 1Define the concern
- 2Verify utility-level and home-specific evidence
- 3Choose point of treatment
- 4Verify the exact certified reduction claim for the exact model
- 5Review tradeoffs and maintenance
Water filtration
- Objective it can address
- Specific substances or aesthetic conditions (taste, odor, chlorine character).
- Point of treatment
- Point of entry or point of use, depending on the objective.
- Limitations to verify
- A filter works only for the conditions and reduction claims its exact design and certification support — filtration does not soften water.
Certification note: a standard number alone doesn't prove a product reduces every contaminant — the exact model's certified claim must match your objective.
Water softening
- Objective it can address
- Hardness minerals (calcium and magnesium) and the scale they can contribute to.
- Point of treatment
- Typically point of entry, confirmed by evaluation.
- Limitations to verify
- Softening primarily exchanges hardness minerals — it is not a universal contaminant-removal device.
Certification note: a standard number alone doesn't prove a product reduces every contaminant — the exact model's certified claim must match your objective.
Reverse osmosis
- Objective it can address
- Specified dissolved substances at a dedicated outlet, commonly drinking and cooking water.
- Point of treatment
- Typically point of use.
- Limitations to verify
- Produces a reject-water stream and needs pressure and maintenance; verify the exact NSF/ANSI 58 reduction claims for the exact model. It is not automatically the best system for every home.
Certification note: a standard number alone doesn't prove a product reduces every contaminant — the exact model's certified claim must match your objective.
When testing is the right next step
Use a certified laboratory when the concern is tap-specific, property-specific, or not resolved by the utility report.
When inspection is the right next step
Inspect the actual water heater and plumbing when symptoms involve hot-water odor, scale, sediment, corrosion, flow, noise, or repeated service demand.
Evidence You Can Check
Official reports, sources, and methodology
Official report — City of Santa Barbara Water Department
Annual Water Quality Report · data year 2025 · Current 2025 monitoring cycle
View the 2025 City of Santa Barbara Water Department Consumer Confidence ReportSource water, per the report: Most of the City’s drinking water comes from Lake Cachuma, Gibraltar Reservoir, and the Charles E. Meyer Desalination Plant. A portion of the City’s water comes from groundwater and imported State Water Project sources. Groundwater well sources were not used in 2025.
Official report — Goleta Water District
ANNUAL CONSUMER CONFIDENCE REPORT Results of Water Quality Testing for 2024 · data year 2024 · 2024 data retained; monitor for the next official update
View the 2024 Goleta Water District Consumer Confidence ReportSource water, per the report: The main source of water is Lake Cachuma. The District's groundwater production wells serve as a backup water supply. In 2024, groundwater was produced by El Camino, San Antonio, San Marcos, and San Ricardo wells throughout the year. The District is also entitled to deliveries from the State Water Project.
Official report — La Cumbre Mutual Water Company
2025 CONSUMER CONFIDENCE REPORT DATA · data year 2025 · Current 2025 monitoring cycle
View the 2025 La Cumbre Mutual Water Company Consumer Confidence Report (PDF)Source water, per the report: In 2025, 60% of the water was from six ground water wells, and the remaining 40% was State Water from Lake Cachuma. Depending on where customers live, the water is a mixture of groundwater and surface water.
Nearby community water profiles
Property-Specific Next Step
Request a Water Quality Evaluation
Request a water-heater and water-quality evaluation tailored to the property, equipment, and homeowner objective.
A property-specific evaluation confirms your goals, provider, tap conditions, plumbing, equipment, installation, and maintenance before any treatment recommendation — this profile alone is never used to prescribe equipment.
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