Your Local Water Profile: Santa Clarita
This profile explains what the applicable water provider reported for Santa Clarita, 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
SCV Water - Santa Clarita Water Division
The report lists hardness as 160 mg/L; this is hard on the USGS scale.
Reported range: 150 - 170 mg/L
USGS hardness scale: 0–60 soft; 61–120 moderately hard; 121–180 hard; >180 very hard, in mg/L as CaCO3.
SCV Water - Valencia Division
The report lists hardness as 160 mg/L; this is 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.
Los Angeles County Waterworks District 36
The report lists hardness as 334 mg/L; 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.
Santa Clarita Valley Water Agency — compliance, as reported
The report states: “SCV Water is in compliance with all drinking water regulations unless a specific violation is noted.”
Violations or advisories, as reported: No E. coli was detected in any drinking water system in the Santa Clarita Valley (SCV) last year and no water system was out of compliance with the Total Coliform Rule.
SCV Water – Newhall Division – Newhall System — compliance, as reported
The report states: “water provided by the Agency to customers continues to meet or surpass rigorous State and Federal drinking water compliance standards during 2024. [section: NEWS RELEASE]”
Santa Clarita Valley Water Agency — compliance, as reported
The report states: “SCV Water is in compliance with all drinking water regulations unless a specific violation is noted. [p. 204-208]”
Santa Clarita Valley Water Agency (SCV Water) and Los Angeles County Waterworks District #36 — compliance, as reported
The report states: “Your local water supplier is in compliance with all drinking water regulations unless a specific violation is noted. [p. 217-218]”
Violations or advisories, as reported: Well that had high PFHxS over the response level was immediately turned off. [p. 499-500]
The Three C's — 1 of 3
Chemistry
What does this water tend to do in a home?
Santa Clarita Valley Water Agency
Chloride
The utility reported: 52 mg/L
Reported range: 46 - 58
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Chloride
The utility reported: 71 mg/L
Reported range: 16 - 97
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Chloride
The utility reported: 55 mg/L
Reported range: 48 - 67
Los Angeles County Waterworks District #36 · report p. 8 · official report
Color
The utility reported: <DLR UNITS
Reported range: <DLR - <DLR
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Color
The utility reported: <DLR UNITS
Reported range: <DLR - <DLR
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Color
The utility reported: <DLR UNITS
Reported range: <DLR - <DLR
Los Angeles County Waterworks District #36 · report p. 8 · official report
Odor-Threshold
The utility reported: 1 TON
Reported range: 1 - 1
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Odor-Threshold
The utility reported: 1 TON
Reported range: 1 - 1
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Odor-Threshold
The utility reported: 1 TON
Reported range: 1 - 1
Los Angeles County Waterworks District #36 · report p. 8 · official report
Sulfate
The utility reported: 68 mg/L
Reported range: 53 - 82
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Sulfate
The utility reported: 161 mg/L
Reported range: 93 - 440
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Sulfate
The utility reported: 244 mg/L
Reported range: 210 - 290
Los Angeles County Waterworks District #36 · report p. 8 · official report
Turbidity
The utility reported: 0.2 NTU
Reported range: 0.1 - 0.2
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Turbidity
The utility reported: 0.2 NTU
Reported range: <DLR - 1.0
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Turbidity
The utility reported: 0.2 NTU
Reported range: 0.1 - 0.9
Los Angeles County Waterworks District #36 · report p. 8 · official report
Total Dissolved Solids
The utility reported: 310 mg/L
Reported range: 300 - 320
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Total Dissolved Solids
The utility reported: 645 mg/L
Reported range: 380 - 940
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Total Dissolved Solids
The utility reported: 715 mg/L
Reported range: 710 - 720
Los Angeles County Waterworks District #36 · report p. 8 · official report
Conductivity
The utility reported: 500 us/cm
Reported range: 480 - 540
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Conductivity
The utility reported: 1009 us/cm
Reported range: 640 - 1300
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Conductivity
The utility reported: 1150 us/cm
Reported range: 1100 - 1200
Los Angeles County Waterworks District #36 · report p. 8 · official report
Manganese
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Manganese
The utility reported: <DLR ug/L
Reported range: <DLR - 46
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Manganese
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
Los Angeles County Waterworks District #36 · report p. 8 · official report
Iron
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Iron
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Iron
The utility reported: <DLR ug/L
Reported range: <DLR - 30
Los Angeles County Waterworks District #36 · report p. 8 · official report
Calcium
The utility reported: 40 mg/L
Reported range: 38 - 44
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Calcium
The utility reported: 93 mg/L
Reported range: 41 - 150
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Calcium
The utility reported: 73 mg/L
Reported range: 65 - 84
Los Angeles County Waterworks District #36 · report p. 8 · official report
Magnesium
The utility reported: 13 mg/L
Reported range: 13 - 14
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Magnesium
The utility reported: 29 mg/L
Reported range: 16 - 47
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Magnesium
The utility reported: 33 mg/L
Reported range: 30 - 36
Los Angeles County Waterworks District #36 · report p. 8 · official report
Potassium
The utility reported: 2.6 mg/L
Reported range: 2.6 - 2.7
Santa Clarita Valley Water Agency (Surface Water) · report p. 9 · official report
Potassium
The utility reported: 3.2 mg/L
Reported range: 1.9 - 5.1
Santa Clarita Valley Water Agency (Groundwater) · report p. 9 · official report
Potassium
The utility reported: 3.1 mg/L
Reported range: 2.9 - 3.4
Los Angeles County Waterworks District #36 · report p. 9 · official report
Sodium
The utility reported: 44 mg/L
Reported range: 42 - 45
Santa Clarita Valley Water Agency (Surface Water) · report p. 9 · official report
Sodium
The utility reported: 71 mg/L
Reported range: 56 - 91
Santa Clarita Valley Water Agency (Groundwater) · report p. 9 · official report
Sodium
The utility reported: 73 mg/L
Reported range: 66 - 84
Los Angeles County Waterworks District #36 · report p. 9 · official report
Hardness as CaCO3
The utility reported: 160 mg/L
Reported range: 150 - 170
Santa Clarita Valley Water Agency (Surface Water) · report p. 9 · official report
Hardness as CaCO3
The utility reported: 354 mg/L
Reported range: 220 - 480
Santa Clarita Valley Water Agency (Groundwater) · report p. 9 · official report
Hardness as CaCO3
The utility reported: 355 mg/L
Reported range: 270 - 470
Los Angeles County Waterworks District #36 · report p. 9 · official report
pH
The utility reported: 8.1 UNITS
Reported range: 8.0 - 8.3
Santa Clarita Valley Water Agency (Surface Water) · report p. 9 · official report
pH
The utility reported: 8.0 UNITS
Reported range: 7.7 - 8.1
Santa Clarita Valley Water Agency (Groundwater) · report p. 9 · official report
pH
The utility reported: 7.2 UNITS
Reported range: 6.8 - 7.4
Los Angeles County Waterworks District #36 · report p. 9 · official report
Alkalinity as CaCO3
The utility reported: 92 mg/L
Reported range: 86 - 98
Santa Clarita Valley Water Agency (Surface Water) · report p. 9 · official report
Alkalinity as CaCO3
The utility reported: 252 mg/L
Reported range: 140 - 480
Santa Clarita Valley Water Agency (Groundwater) · report p. 9 · official report
Alkalinity as CaCO3
The utility reported: 170 mg/L
Reported range: 160 - 180
Los Angeles County Waterworks District #36 · report p. 9 · official report
SCV Water – Newhall Division – Newhall System
General mineral and treatment characteristics were not itemized in this provider's reviewed report. The official report link in the Sources section below is the authoritative record.
Santa Clarita Valley Water Agency
Total Dissolved Solids
The utility reported: 310 mg/L
SECONDARY STANDARDS · report p. 458 · official report
Total Dissolved Solids
The utility reported: 645 mg/L
SECONDARY STANDARDS · report p. 458 · official report
Total Dissolved Solids
The utility reported: 715 mg/L
SECONDARY STANDARDS · report p. 458 · official report
Lead - Consumer Taps
The utility reported: Not detected at the report's stated reporting limit ug/L
LEAD AND COPPER · report p. 440 · official report
Lead - Consumer Taps
The utility reported: Not detected at the report's stated reporting limit ug/L
LEAD AND COPPER · report p. 440 · official report
Copper - Consumer Taps
The utility reported: 460 ug/L
LEAD AND COPPER · report p. 439 · official report
Copper - Consumer Taps
The utility reported: 330 ug/L
LEAD AND COPPER · report p. 439 · official report
Santa Clarita Valley Water Agency (SCV Water) and Los Angeles County Waterworks District #36
Total Dissolved Solids
The utility reported: 599 mg/L
SECONDARY STANDARDS · report p. 465 · official report
Lead - Consumer Taps
The utility reported: <DLR ug/L
LEAD AND COPPER · report p. 451 · official report
Copper - Consumer Taps
The utility reported: 130 ug/L
LEAD AND COPPER · report p. 450 · 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.
Santa Clarita Valley Water Agency — regulated contaminants reported as detected (44)
Aluminum
The utility reported: <DLR mg/L
Reported range: <DLR - <DLR
Legal limit (MCL): 1 · Health goal (PHG): 0.6 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Surface Water) · report p. 7 · official report
Aluminum
The utility reported: <DLR mg/L
Reported range: <DLR - <DLR
Legal limit (MCL): 1 · Health goal (PHG): 0.6 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Groundwater) · report p. 7 · official report
Aluminum
The utility reported: <DLR mg/L
Reported range: <DLR - <DLR
Legal limit (MCL): 1 · Health goal (PHG): 0.6 — not an enforceable limit
Violation per report: No
Los Angeles County Waterworks District #36 · report p. 7 · official report
Arsenic
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
Legal limit (MCL): 10 · Health goal (PHG): 0.004 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Surface Water) · report p. 7 · official report
Arsenic
The utility reported: <DLR ug/L
Reported range: <DLR - 2.8
Legal limit (MCL): 10 · Health goal (PHG): 0.004 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Groundwater) · report p. 7 · official report
Arsenic
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
Legal limit (MCL): 10 · Health goal (PHG): 0.004 — not an enforceable limit
Violation per report: No
Los Angeles County Waterworks District #36 · report p. 7 · official report
Fluoride
The utility reported: 0.3 mg/L
Reported range: 0.3 - 0.3
Legal limit (MCL): 2 · Health goal (PHG): 1 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Surface Water) · report p. 7 · official report
Fluoride
The utility reported: 0.4 mg/L
Reported range: 0.2 - 0.7
Legal limit (MCL): 2 · Health goal (PHG): 1 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Groundwater) · report p. 7 · official report
Fluoride
The utility reported: 0.6 mg/L
Reported range: 0.5 - 0.7
Legal limit (MCL): 2 · Health goal (PHG): 1 — not an enforceable limit
Violation per report: No
Los Angeles County Waterworks District #36 · report p. 7 · official report
Barium
The utility reported: <DLR mg/L
Reported range: <DLR - <DLR
Legal limit (MCL): 1 · Health goal (PHG): 2 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Surface Water) · report p. 7 · official report
Barium
The utility reported: 0.1 mg/L
Reported range: <DLR - 0.1
Legal limit (MCL): 1 · Health goal (PHG): 2 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Groundwater) · report p. 7 · official report
Barium
The utility reported: <DLR mg/L
Reported range: <DLR - <DLR
Legal limit (MCL): 1 · Health goal (PHG): 2 — not an enforceable limit
Violation per report: No
Los Angeles County Waterworks District #36 · report p. 7 · official report
Nitrate (as Nitrogen)
The utility reported: 0.7 mg/L
Reported range: 0.6 - 0.8
Legal limit (MCL): 10 · Health goal (PHG): 10 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Surface Water) · report p. 7 · official report
Nitrate (as Nitrogen)
The utility reported: 4.2 mg/L
Reported range: 1.8 - 7.3
Legal limit (MCL): 10 · Health goal (PHG): 10 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Groundwater) · report p. 7 · official report
Nitrate (as Nitrogen)
The utility reported: 1.3 mg/L
Reported range: 0.7 - 1.6
Legal limit (MCL): 10 · Health goal (PHG): 10 — not an enforceable limit
Violation per report: No
Los Angeles County Waterworks District #36 · report p. 7 · official report
Perchlorate
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
Legal limit (MCL): 6 · Health goal (PHG): 1 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Surface Water) · report p. 7 · official report
Perchlorate
The utility reported: <DLR ug/L
Reported range: <DLR - 1.4
Legal limit (MCL): 6 · Health goal (PHG): 1 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Groundwater) · report p. 7 · official report
Perchlorate
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
Legal limit (MCL): 6 · Health goal (PHG): 1 — not an enforceable limit
Violation per report: No
Los Angeles County Waterworks District #36 · report p. 7 · official report
Trichloroethylene (TCE)
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
Legal limit (MCL): 5 · Health goal (PHG): 1.7 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Trichloroethylene (TCE)
The utility reported: <DLR ug/L
Reported range: <DLR - 0.7
Legal limit (MCL): 5 · Health goal (PHG): 1.7 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Trichloroethylene (TCE)
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
Legal limit (MCL): 5 · Health goal (PHG): 1.7 — not an enforceable limit
Violation per report: No
Los Angeles County Waterworks District #36 · report p. 8 · official report
Tetrachloroethylene (PCE)
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
Legal limit (MCL): 5 · Health goal (PHG): 0.06 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Tetrachloroethylene (PCE)
The utility reported: <DLR ug/L
Reported range: <DLR - 1.3
Legal limit (MCL): 5 · Health goal (PHG): 0.06 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Tetrachloroethylene (PCE)
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
Legal limit (MCL): 5 · Health goal (PHG): 0.06 — not an enforceable limit
Violation per report: No
Los Angeles County Waterworks District #36 · report p. 8 · official report
Bromate EGJG
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
Legal limit (MCL): 10 · Health goal (PHG): 0.1 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Bromate ESFP
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
Legal limit (MCL): 10 · Health goal (PHG): 0.1 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Haloacetic Acids (HAA5)
The utility reported: 6.2 ug/L
Reported range: <DLR - 13
Legal limit (MCL): 60 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Haloacetic Acids (HAA5)
The utility reported: 5.5 ug/L
Reported range: 2 - 9.4
Legal limit (MCL): 60 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Los Angeles County Waterworks District #36 · report p. 8 · official report
Trihalomethanes, Total (TTHMs)
The utility reported: 21 ug/L
Reported range: 4.8 - 52
Legal limit (MCL): 80 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Trihalomethanes, Total (TTHMs)
The utility reported: 30 ug/L
Reported range: 20 - 47
Legal limit (MCL): 80 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Los Angeles County Waterworks District #36 · report p. 8 · official report
Alpha Activity, Gross
The utility reported: <DLR PCI/L
Reported range: <DLR - <DLR
Legal limit (MCL): 15 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Alpha Activity, Gross
The utility reported: 3.8 PCI/L
Reported range: <DLR - 4.9
Legal limit (MCL): 15 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Alpha Activity, Gross
The utility reported: <DLR PCI/L
Reported range: <DLR - <DLR
Legal limit (MCL): 15 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Los Angeles County Waterworks District #36 · report p. 8 · official report
Beta Activity, Gross
The utility reported: 3.5 PCI/L
Reported range: <DLR - 5.1
Legal limit (MCL): 50* · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Beta Activity, Gross
The utility reported: <DLR PCI/L
Reported range: <DLR - <DLR
Legal limit (MCL): 50* · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Beta Activity, Gross
The utility reported: <DLR PCI/L
Reported range: <DLR - <DLR
Legal limit (MCL): 50* · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Los Angeles County Waterworks District #36 · report p. 8 · official report
Radium 228
The utility reported: <DLR PCI/L
Reported range: <DLR - <DLR
Legal limit (MCL): --- · Health goal (PHG): 0.019 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Radium 228
The utility reported: <DLR PCI/L
Reported range: <DLR - <DLR
Legal limit (MCL): --- · Health goal (PHG): 0.019 — not an enforceable limit
Violation per report: No
Los Angeles County Waterworks District #36 · report p. 8 · official report
Uranium
The utility reported: 4.0 PCI/L
Reported range: 1.6 - 8.5
Legal limit (MCL): 20 · Health goal (PHG): 0.43 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Uranium
The utility reported: 2.7 PCI/L
Reported range: 2.3 - 3.3
Legal limit (MCL): 20 · Health goal (PHG): 0.43 — not an enforceable limit
Violation per report: No
Los Angeles County Waterworks District #36 · report p. 8 · official report
Copper - Consumer Taps
The utility reported: 460 ug/L
Reported range: NA
AL: 1300 · Health goal (PHG): 300 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Copper - Consumer Taps
The utility reported: 330 ug/L
Reported range: NA
AL: 1300 · Health goal (PHG): 300 — not an enforceable limit
Violation per report: No
Los Angeles County Waterworks District #36 · report p. 8 · official report
Lead - Consumer Taps
The utility reported: <DLR ug/L
Reported range: NA
AL: 15 · Health goal (PHG): 0.2 — not an enforceable limit
Violation per report: No
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Lead - Consumer Taps
The utility reported: <DLR ug/L
Reported range: NA
AL: 15 · Health goal (PHG): 0.2 — not an enforceable limit
Violation per report: No
Los Angeles County Waterworks District #36 · report p. 8 · official report
Santa Clarita Valley Water Agency — unregulated monitoring and secondary (aesthetic) records (17)
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.
Chromium, hexavalent (CrVI)
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Chromium, hexavalent (CrVI)
The utility reported: 1.7 ug/L
Reported range: <DLR - 2.2
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Chromium, hexavalent (CrVI)
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
Los Angeles County Waterworks District #36 · report p. 8 · official report
Boron
The utility reported: 0.2 mg/L
Reported range: 0.2 - 0.2
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Boron
The utility reported: 0.2 mg/L
Reported range: 0.2 - 1.6
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Perfluorooctanesulfonic acid (PFOS)
The utility reported: <MRL ng/L
Reported range: <MRL - <MRL
Santa Clarita Valley Water Agency (Surface Water) · report p. 9 · official report
Perfluorooctanesulfonic acid (PFOS)
The utility reported: <MRL ng/L
Reported range: <MRL - 6.1
Santa Clarita Valley Water Agency (Groundwater) · report p. 9 · official report
Perfluorooctanesulfonic acid (PFOS)
The utility reported: <MRL ng/L
Reported range: <MRL - 4.5
Los Angeles County Waterworks District #36 · report p. 9 · official report
Perfluorooctanoic acid (PFOA)
The utility reported: <MRL ng/L
Reported range: <MRL - <MRL
Santa Clarita Valley Water Agency (Surface Water) · report p. 9 · official report
Perfluorooctanoic acid (PFOA)
The utility reported: <MRL ng/L
Reported range: <MRL - 5.9
Santa Clarita Valley Water Agency (Groundwater) · report p. 9 · official report
Perfluorooctanoic acid (PFOA)
The utility reported: <MRL ng/L
Reported range: <MRL - 4.8
Los Angeles County Waterworks District #36 · report p. 9 · official report
Perfluorobutanesulfonic acid (PFBS)
The utility reported: <MRL ng/L
Reported range: <MRL - <MRL
Santa Clarita Valley Water Agency (Surface Water) · report p. 9 · official report
Perfluorobutanesulfonic acid (PFBS)
The utility reported: <MRL ng/L
Reported range: <MRL - 6.4
Santa Clarita Valley Water Agency (Groundwater) · report p. 9 · official report
Perfluorobutanesulfonic acid (PFBS)
The utility reported: <MRL ng/L
Reported range: <MRL - 3.9
Los Angeles County Waterworks District #36 · report p. 9 · official report
Perfluorohexanesulphonic acid (PFHxS)**
The utility reported: <MRL ng/L
Reported range: <MRL - <MRL
Santa Clarita Valley Water Agency (Surface Water) · report p. 9 · official report
Perfluorohexanesulphonic acid (PFHxS)**
The utility reported: <MRL ng/L
Reported range: <MRL - 9.2
Santa Clarita Valley Water Agency (Groundwater) · report p. 9 · official report
Perfluorohexanesulphonic acid (PFHxS)**
The utility reported: 4.0 ng/L
Reported range: <MRL - 6.4
Los Angeles County Waterworks District #36 · report p. 9 · official report
SCV Water – Newhall Division – Newhall System — regulated contaminants reported as detected (0)
No itemized regulated-detection records were extracted from this provider's reviewed report. That is a limit of the extraction, not a claim that nothing was detected — the official report linked below is authoritative.
Santa Clarita Valley Water Agency — regulated contaminants reported as detected (23)
Fluoride
The utility reported: 0.3 mg/L
Reported range: 0.3-0.3
Legal limit (MCL): 2 · Health goal (PHG): 1 — not an enforceable limit
Violation per report: No
Typical source, per the report: Naturally occurring
INORGANICS · report p. 395 · official report
Fluoride
The utility reported: 0.4 mg/L
Reported range: 0.2-0.7
Legal limit (MCL): 2 · Health goal (PHG): 1 — not an enforceable limit
Violation per report: No
Typical source, per the report: Naturally occurring
INORGANICS · report p. 395 · official report
Fluoride
The utility reported: 0.6 mg/L
Reported range: 0.5-0.7
Legal limit (MCL): 2 · Health goal (PHG): 1 — not an enforceable limit
Violation per report: No
Typical source, per the report: Naturally occurring
INORGANICS · report p. 395 · official report
Nitrate (as Nitrogen)
The utility reported: 0.7 mg/L
Reported range: 0.6-0.8
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
INORGANICS · report p. 399 · official report
Nitrate (as Nitrogen)
The utility reported: 4.2 mg/L
Reported range: 1.8-7.3
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
INORGANICS · report p. 399 · official report
Nitrate (as Nitrogen)
The utility reported: 1.3 mg/L
Reported range: 0.7-1.6
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
INORGANICS · report p. 399 · official report
Haloacetic Acids (HAA5)
The utility reported: 6.2 ug/L
Reported range: ND-13
Legal limit (MCL): 60 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Typical source, per the report: Byproduct of drinking water disinfection
DISINFECTION BY-PRODUCTS · report p. 412 · official report
Haloacetic Acids (HAA5)
The utility reported: 5.5 ug/L
Reported range: 2-9.4
Legal limit (MCL): 60 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Typical source, per the report: Byproduct of drinking water disinfection
DISINFECTION BY-PRODUCTS · report p. 412 · official report
Trihalomethanes, Total (TTHMs)
The utility reported: 21 ug/L
Reported range: 4.8-52
Legal limit (MCL): 80 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Typical source, per the report: Byproduct of drinking water disinfection
DISINFECTION BY-PRODUCTS · report p. 414 · official report
Trihalomethanes, Total (TTHMs)
The utility reported: 30 ug/L
Reported range: 20-47
Legal limit (MCL): 80 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Typical source, per the report: Byproduct of drinking water disinfection
DISINFECTION BY-PRODUCTS · report p. 414 · official report
Coliform % Positive Samples/# of Positives
The utility reported: 0 %
Reported range: 0-0
Legal limit (MCL): 5 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Typical source, per the report: Naturally present in the environment
MICROBIOLOGICAL · report p. 418 · official report
Coliform % Positive Samples/# of Positives
The utility reported: 0 %
Reported range: 0-0.67
Legal limit (MCL): 5 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Typical source, per the report: Naturally present in the environment
MICROBIOLOGICAL · report p. 418 · official report
Coliform % Positive Samples/# of Positives
The utility reported: 0 %
Reported range: 0-1
Legal limit (MCL): 5 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Typical source, per the report: Naturally present in the environment
MICROBIOLOGICAL · report p. 418 · official report
Surface Water Only EGJG
The utility reported: 0.3 NTU
Reported range: 0.3
TT: 1 NTU · Health goal (PHG): NONE — not an enforceable limit
Violation per report: No
Typical source, per the report: Soil runoff
CLARITY / TURBIDITY · report p. 420 · official report
Surface Water Only ESFP
The utility reported: 0.4 NTU
Reported range: 0.4
TT: 1 NTU · Health goal (PHG): NONE — not an enforceable limit
Violation per report: No
Typical source, per the report: Soil runoff
CLARITY / TURBIDITY · report p. 422 · official report
Alpha Activity, Gross
The utility reported: 3.8 PCI/L
Reported range: ND-4.9
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. 427 · official report
Beta Activity, Gross
The utility reported: 3.5 PCI/L
Reported range: ND-5.1
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. 429 · official report
Uranium
The utility reported: 4.0 PCI/L
Reported range: 1.6-8.5
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. 433 · official report
Uranium
The utility reported: 2.7 PCI/L
Reported range: 2.3-3.3
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. 433 · official report
Copper - Consumer Taps
The utility reported: 460 ug/L
Reported range: 3
AL: 1300 · Health goal (PHG): 300 — 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 · report p. 439 · official report
Copper - Consumer Taps
The utility reported: 330 ug/L
Reported range: 0
AL: 1300 · Health goal (PHG): 300 — 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 · report p. 439 · official report
Lead - Consumer Taps
The utility reported: Not detected at the report's stated reporting limit ug/L
Reported range: 2
AL: 15 · Health goal (PHG): 0.2 — not an enforceable limit
Violation per report: No
Typical source, per the report: Internal corrosion of household water plumbing systems; discharges from industrial manufacturers; erosion of natural deposits
LEAD AND COPPER · report p. 440 · official report
Lead - Consumer Taps
The utility reported: Not detected at the report's stated reporting limit ug/L
Reported range: 0
AL: 15 · Health goal (PHG): 0.2 — not an enforceable limit
Violation per report: No
Typical source, per the report: Internal corrosion of household water plumbing systems; discharges from industrial manufacturers; erosion of natural deposits
LEAD AND COPPER · report p. 440 · official report
Santa Clarita Valley Water Agency — unregulated monitoring and secondary (aesthetic) records (23)
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.
Odor-Threshold
The utility reported: 1 TON
Reported range: 1-1
Typical source, per the report: Naturally-occurring organic materials
SECONDARY STANDARDS · report p. 452 · official report
Odor-Threshold
The utility reported: 1 TON
Reported range: 1-1
Typical source, per the report: Naturally-occurring organic materials
SECONDARY STANDARDS · report p. 452 · official report
Odor-Threshold
The utility reported: 1 TON
Reported range: 1-1
Typical source, per the report: Naturally-occurring organic materials
SECONDARY STANDARDS · report p. 452 · official report
Turbidity
The utility reported: 0.2 NTU
Reported range: 0.1-0.2
Typical source, per the report: Soil runoff
SECONDARY STANDARDS · report p. 457 · official report
Turbidity
The utility reported: 0.2 NTU
Reported range: ND-1.0
Typical source, per the report: Soil runoff
SECONDARY STANDARDS · report p. 457 · official report
Turbidity
The utility reported: 0.2 NTU
Reported range: 0.1-0.9
Typical source, per the report: Soil runoff
SECONDARY STANDARDS · report p. 457 · official report
Conductivity
The utility reported: 500 us/cm
Reported range: 480-540
Typical source, per the report: Substances that form ions when in water; seawater influence
SECONDARY STANDARDS · report p. 459 · official report
Conductivity
The utility reported: 1009 us/cm
Reported range: 640-1300
Typical source, per the report: Substances that form ions when in water; seawater influence
SECONDARY STANDARDS · report p. 459 · official report
Conductivity
The utility reported: 1150 us/cm
Reported range: 1100-1200
Typical source, per the report: Substances that form ions when in water; seawater influence
SECONDARY STANDARDS · report p. 459 · official report
Chromium, hexavalent (CrVI)
The utility reported: 1.7 ug/L
Reported range: ND-2.2
Typical source, per the report: Discharge from electroplating factories, leather tanneries, wood preservation, chemical synthesis, refractory production, and textile manufacturing facilities; erosion of natural deposits
ADDITIONAL TESTS · report p. 465 · official report
Boron
The utility reported: 0.2 mg/L
Reported range: 0.2-0.2
Typical source, per the report: NA
ADDITIONAL TESTS · report p. 467 · official report
Boron
The utility reported: 0.2 mg/L
Reported range: 0.2-1.6
Typical source, per the report: NA
ADDITIONAL TESTS · report p. 467 · official report
Perfluorooctanesulfonic acid (PFOS)
The utility reported: Not detected at the report's stated reporting limit ng/L
Reported range: ND-5.2
Typical source, per the report: NA
ADDITIONAL TESTS · report p. 470 · official report
Perfluorooctanesulfonic acid (PFOS)
The utility reported: 4.1 ng/L
Reported range: ND-5.5
Typical source, per the report: NA
ADDITIONAL TESTS · report p. 470 · official report
Perfluorooctanoic acid (PFOA)
The utility reported: Not detected at the report's stated reporting limit ng/L
Reported range: ND-5.9
Typical source, per the report: NA
ADDITIONAL TESTS · report p. 471 · official report
Perfluorooctanoic acid (PFOA)
The utility reported: Not detected at the report's stated reporting limit ng/L
Reported range: ND-4.8
Typical source, per the report: NA
ADDITIONAL TESTS · report p. 471 · official report
Perfluorobutanesulfonic acid (PFBS)
The utility reported: Not detected at the report's stated reporting limit ng/L
Reported range: ND-6.4
Typical source, per the report: NA
ADDITIONAL TESTS · report p. 472 · official report
Perfluorobutanesulfonic acid (PFBS)
The utility reported: Not detected at the report's stated reporting limit ng/L
Reported range: ND-3.9
Typical source, per the report: NA
ADDITIONAL TESTS · report p. 472 · official report
Perfluorohexanesulphonic acid (PFHxS)
The utility reported: Not detected at the report's stated reporting limit ng/L
Reported range: ND-9.2
Typical source, per the report: NA
ADDITIONAL TESTS · report p. 473 · official report
Perfluorohexanesulphonic acid (PFHxS)
The utility reported: 4.0 ng/L
Reported range: ND-6.4
Typical source, per the report: NA
ADDITIONAL TESTS · report p. 473 · official report
Potassium
The utility reported: 2.6 mg/L
Reported range: 2.6-2.7
Typical source, per the report: NA
ADDITIONAL TESTS · report p. 474 · official report
Potassium
The utility reported: 3.2 mg/L
Reported range: 1.9-5.1
Typical source, per the report: NA
ADDITIONAL TESTS · report p. 474 · official report
Potassium
The utility reported: 3.1 mg/L
Reported range: 2.9-3.4
Typical source, per the report: NA
ADDITIONAL TESTS · report p. 474 · official report
Santa Clarita Valley Water Agency (SCV Water) and Los Angeles County Waterworks District #36 — regulated contaminants reported as detected (17)
Aluminum
The utility reported: <DLR mg/L
Reported range: <DLR - <DLR
Legal limit (MCL): 1 · Health goal (PHG): 0.6 — not an enforceable limit
Violation per report: No
INORGANICS · report p. 404 · official report
Arsenic
The utility reported: 0.1 ug/L
Reported range: <DLR - 1.8
Legal limit (MCL): 10 · Health goal (PHG): 0.004 — not an enforceable limit
Violation per report: No
INORGANICS · report p. 405 · official report
Fluoride
The utility reported: 0.3 mg/L
Reported range: 0.2 - 0.7
Legal limit (MCL): 2 · Health goal (PHG): 1 — not an enforceable limit
Violation per report: No
INORGANICS · report p. 406 · official report
Barium
The utility reported: 0.23 mg/L
Reported range: <DLR - 0.11
Legal limit (MCL): 1 · Health goal (PHG): 2 — not an enforceable limit
Violation per report: No
INORGANICS · report p. 407 · official report
Nitrate (as Nitrogen)
The utility reported: 3.7 mg/L
Reported range: <DLR - 6.9
Legal limit (MCL): 10 · Health goal (PHG): 10 — not an enforceable limit
Violation per report: No
INORGANICS · report p. 408 · official report
Trichloroethylene (TCE)
The utility reported: <DLR ug/L
Reported range: <DLR - 0.7
Legal limit (MCL): 5 · Health goal (PHG): 1.7 — not an enforceable limit
Violation per report: No
ORGANICS · report p. 413 · official report
Tetrachloroethylene (PCE)
The utility reported: <DLR ug/L
Reported range: <DLR - 1.3
Legal limit (MCL): 5 · Health goal (PHG): 0.06 — not an enforceable limit
Violation per report: No
ORGANICS · report p. 414 · official report
Haloacetic Acids (HAA5)
The utility reported: 7.5 ug/L
Reported range: <DLR - 16
Legal limit (MCL): 60 · Health goal (PHG): .0 — not an enforceable limit
Violation per report: No
DISINFECTION BY-PRODUCTS · report p. 420 · official report
Trihalomethanes, Total (TTHMs)
The utility reported: 23 ug/L
Reported range: 8.3 - 55
Legal limit (MCL): 80 · Health goal (PHG): .0 — not an enforceable limit
Violation per report: No
DISINFECTION BY-PRODUCTS · report p. 421 · official report
Coliform % Positive Samples/# of Positives
The utility reported: 0 %
Reported range: 0 - 1
Legal limit (MCL): 5 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
MICROBIOLOGICAL · report p. 425 · official report
Surface Water Only EGJG
The utility reported: 0.2 NTU
TT: 1 NTU · Health goal (PHG): NONE — not an enforceable limit
Violation per report: No
CLARITY / TURBIDITY · report p. 429 · official report
Surface Water Only ESFP
The utility reported: 0.2 NTU
TT: 1 NTU · Health goal (PHG): NONE — not an enforceable limit
Violation per report: No
CLARITY / TURBIDITY · report p. 433 · official report
Alpha Activity, Gross
The utility reported: <DLR PCI/L
Reported range: <DLR - 3.6
Legal limit (MCL): 15 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
RADIOLOGICAL · report p. 438 · official report
Beta Activity, Gross
The utility reported: <DLR PCI/L
Reported range: <DLR - <DLR
Legal limit (MCL): 50* · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
RADIOLOGICAL · report p. 440 · official report
Uranium
The utility reported: 3.4 PCI/L
Reported range: 1.6 - 7.3
Legal limit (MCL): 20 · Health goal (PHG): 0.43 — not an enforceable limit
Violation per report: No
RADIOLOGICAL · report p. 444 · official report
Copper - Consumer Taps
The utility reported: 130 ug/L
AL: 1300 · Health goal (PHG): 300 — not an enforceable limit
Violation per report: No
LEAD AND COPPER · report p. 450 · official report
Lead - Consumer Taps
The utility reported: <DLR ug/L
AL: 15 · Health goal (PHG): 0.2 — not an enforceable limit
Violation per report: No
LEAD AND COPPER · report p. 451 · official report
Santa Clarita Valley Water Agency (SCV Water) and Los Angeles County Waterworks District #36 — unregulated monitoring and secondary (aesthetic) records (15)
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: 55 mg/L
Reported range: 35 - 94
SECONDARY STANDARDS · report p. 457 · official report
Color
The utility reported: <DLR UNITS
Reported range: <DLR - <DLR
SECONDARY STANDARDS · report p. 458 · official report
Odor-Threshold
The utility reported: 1 TON
Reported range: 1 - 1
SECONDARY STANDARDS · report p. 460 · official report
Sulfate
The utility reported: 171 mg/L
Reported range: 88 - 430
SECONDARY STANDARDS · report p. 462 · official report
Turbidity
The utility reported: 0.1 NTU
Reported range: <DLR - 0.6
SECONDARY STANDARDS · report p. 464 · official report
Total Dissolved Solids
The utility reported: 599 mg/L
Reported range: 320 - 940
SECONDARY STANDARDS · report p. 465 · official report
Conductivity
The utility reported: 961 us/cm
Reported range: 670 - 1300
SECONDARY STANDARDS · report p. 467 · official report
Manganese
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
SECONDARY STANDARDS · report p. 469 · official report
Iron
The utility reported: <DLR ug/L
Reported range: <DLR - <DLR
SECONDARY STANDARDS · report p. 471 · official report
Chromium, hexavalent (CrVI)
The utility reported: <DLR ug/L
Reported range: <DLR - 2.3
ADDITIONAL TESTS · report p. 474 · official report
Boron
The utility reported: 0.2 mg/L
Reported range: 0.2 - 0.6
ADDITIONAL TESTS · report p. 476 · official report
Perfluorooctanesulfonic acid (PFOS)
The utility reported: <MRL ng/L
Reported range: <MRL - 6.0
ADDITIONAL TESTS · report p. 480 · official report
Perfluorooctanoic acid (PFOA)
The utility reported: <MRL ng/L
Reported range: <MRL - 5.4
ADDITIONAL TESTS · report p. 481 · official report
Perfluorobutanesulfonic acid (PFBS)
The utility reported: <MRL ng/L
Reported range: <MRL - 12.0
ADDITIONAL TESTS · report p. 482 · official report
Perfluorohexanesulphonic acid (PFHxS)
The utility reported: <MRL ng/L
Reported range: <MRL - 10.0
ADDITIONAL TESTS · report p. 484 · official report
The Three C's — 3 of 3
Corrosion
What conditions could influence pipes, fixtures, and a water heater?
Santa Clarita Valley Water Agency
Chloride
The utility reported: 52 mg/L
Reported range: 46 - 58
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Chloride
The utility reported: 71 mg/L
Reported range: 16 - 97
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Chloride
The utility reported: 55 mg/L
Reported range: 48 - 67
Los Angeles County Waterworks District #36 · report p. 8 · official report
Sulfate
The utility reported: 68 mg/L
Reported range: 53 - 82
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Sulfate
The utility reported: 161 mg/L
Reported range: 93 - 440
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Sulfate
The utility reported: 244 mg/L
Reported range: 210 - 290
Los Angeles County Waterworks District #36 · report p. 8 · official report
pH
The utility reported: 8.1 UNITS
Reported range: 8.0 - 8.3
Santa Clarita Valley Water Agency (Surface Water) · report p. 9 · official report
pH
The utility reported: 8.0 UNITS
Reported range: 7.7 - 8.1
Santa Clarita Valley Water Agency (Groundwater) · report p. 9 · official report
pH
The utility reported: 7.2 UNITS
Reported range: 6.8 - 7.4
Los Angeles County Waterworks District #36 · report p. 9 · official report
Alkalinity as CaCO3
The utility reported: 92 mg/L
Reported range: 86 - 98
Santa Clarita Valley Water Agency (Surface Water) · report p. 9 · official report
Alkalinity as CaCO3
The utility reported: 252 mg/L
Reported range: 140 - 480
Santa Clarita Valley Water Agency (Groundwater) · report p. 9 · official report
Alkalinity as CaCO3
The utility reported: 170 mg/L
Reported range: 160 - 180
Los Angeles County Waterworks District #36 · report p. 9 · official report
Alpha Activity, Gross
The utility reported: <DLR PCI/L
Reported range: <DLR - <DLR
Santa Clarita Valley Water Agency (Surface Water) · report p. 8 · official report
Alpha Activity, Gross
The utility reported: 3.8 PCI/L
Reported range: <DLR - 4.9
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Copper - Consumer Taps
The utility reported: 460 ug/L
Reported range: NA
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Copper - Consumer Taps
The utility reported: 330 ug/L
Reported range: NA
Los Angeles County Waterworks District #36 · report p. 8 · official report
Lead - Consumer Taps
The utility reported: <DLR ug/L
Reported range: NA
Santa Clarita Valley Water Agency (Groundwater) · report p. 8 · official report
Perfluorohexanesulphonic acid (PFHxS)**
The utility reported: <MRL ng/L
Reported range: <MRL - <MRL
Santa Clarita Valley Water Agency (Surface Water) · report p. 9 · official report
Perfluorohexanesulphonic acid (PFHxS)**
The utility reported: 4.0 ng/L
Reported range: <MRL - 6.4
Los Angeles County Waterworks District #36 · report p. 9 · official report
SCV Water – Newhall Division – Newhall System
Corrosion-related inputs (such as pH or alkalinity) were not itemized in this provider's reviewed report.
Santa Clarita Valley Water Agency
Lead - Consumer Taps
The utility reported: Not detected at the report's stated reporting limit ug/L
LEAD AND COPPER · report p. 440 · official report
Copper - Consumer Taps
The utility reported: 460 ug/L
LEAD AND COPPER · report p. 439 · official report
Copper - Consumer Taps
The utility reported: 330 ug/L
LEAD AND COPPER · report p. 439 · official report
Alpha Activity, Gross
The utility reported: 3.8 PCI/L
Reported range: ND-4.9
Typical source, per the report: Erosion of natural deposits
RADIOLOGICAL · report p. 427 · official report
Perfluorohexanesulphonic acid (PFHxS)
The utility reported: Not detected at the report's stated reporting limit ng/L
Reported range: ND-9.2
Typical source, per the report: NA
ADDITIONAL TESTS · report p. 473 · official report
Perfluorohexanesulphonic acid (PFHxS)
The utility reported: 4.0 ng/L
Reported range: ND-6.4
Typical source, per the report: NA
ADDITIONAL TESTS · report p. 473 · official report
Santa Clarita Valley Water Agency (SCV Water) and Los Angeles County Waterworks District #36
Lead - Consumer Taps
The utility reported: <DLR ug/L
LEAD AND COPPER · report p. 451 · official report
Copper - Consumer Taps
The utility reported: 130 ug/L
LEAD AND COPPER · report p. 450 · official report
Alpha Activity, Gross
The utility reported: <DLR PCI/L
Reported range: <DLR - 3.6
RADIOLOGICAL · report p. 438 · official report
Perfluorohexanesulphonic acid (PFHxS)
The utility reported: <MRL ng/L
Reported range: <MRL - 10.0
ADDITIONAL TESTS · report p. 484 · 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 — Santa Clarita Valley Water Agency
2026 Annual Consumer Confidence Report · data year 2025 · Current 2025 monitoring cycle
View the 2025 Santa Clarita Valley Water Agency Consumer Confidence Report (PDF)Source water, per the report: SCV Water's water supply comes from four main sources: groundwater (33%), imported water from the State Water Project (66%), recycled water (1%), and stored (banked) water. Groundwater is pumped from the Alluvium and Saugus Formation aquifers.
Official report — SCV Water – Newhall Division – Newhall System
2024 Consumer Confidence Report · data year 2023 · Older retained data; verify the latest publication before republishing
View the 2023 SCV Water – Newhall Division – Newhall System Consumer Confidence Report (PDF)Source water, per the report: Groundwater from source wells.
Official report — Santa Clarita Valley Water Agency
2026 Annual Consumer Confidence Report · data year 2025 · Current 2025 monitoring cycle
View the 2025 Santa Clarita Valley Water Agency Consumer Confidence ReportSource water, per the report: SCV Water’s water supply comes from four main sources: groundwater, imported water, recycled water and stored (banked) water. Groundwater makes up 33% (20,350 acre-feet) of the water supply. Imported water from the Sierra Nevada mountains in Northern California accounts for 66% (40,500 acre-feet). Recycled water for outdoor irrigation provides 1% (350 acre-feet) of the supply. Stored (banked) water in Kern County is used during a drought or emergency.
Official report — Santa Clarita Valley Water Agency (SCV Water) and Los Angeles County Waterworks District #36
2025 Annual Consumer Confidence Report · data year 2024 · 2024 data retained; monitor for the next official update
View the 2024 Santa Clarita Valley Water Agency (SCV Water) and Los Angeles County Waterworks District #36 Consumer Confidence ReportSource water, per the report: SCV Water’s water supply comes from four main sources: groundwater (25%), imported water from the Sierra Nevada mountains in Northern California (74%), recycled water (1%), and stored (banked) water in Kern County.
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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