Your Local Water Profile: Camarillo
This profile explains what the applicable water provider reported for Camarillo, what those results may mean throughout a home, and where property-specific testing or inspection may still be needed.
First, confirm your water provider.
This city includes address-dependent or partial water-service coverage. Confirm the provider on your bill before using these results.
What the official water report says
Your water at a glance
California American Water
The report lists hardness as 140 - 164 mg/L as CaCO3; 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.
Camrosa Water District
The report lists hardness as 148 ppm; 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.
Crestview Mutual Water Company
The report lists hardness as 367 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.
Del Norte Mutual Water Co.
The report lists hardness as 325 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.
Pleasant Valley Mutual Water Company
The report lists hardness as 724 ppm; this is very hard on the USGS scale.
Reported range: 300-679 ppm
USGS hardness scale: 0–60 soft; 61–120 moderately hard; 121–180 hard; >180 very hard, in mg/L as CaCO3.
CITY OF CAMARILLO — compliance, as reported
The report states: “The report notice states that \"the water delivered by the City of Camarillo meets or surpasses all State of California and federal Safe Drinking Water Act standards\" [section: Water Quality Report Available July 1, 2025]. The press-release text also states that all detected substances were below their respective maximum allowed levels in 2024 [section: Press release].”
Violations or advisories, as reported: No violation table was readable in the provided text. The readable press-release text states that \"all detected substances in Camarillo’s water service area were below their respective maximum allowed levels in 2024\" [section: Press release].
Las Posas — compliance, as reported
The report states: “We are pleased to report that in 2025, your water met state and federal drinking water requirements. [p. 2]”
Camrosa Water District — compliance, as reported
The report states: “We are pleased to present to you this year’s annual water quality report. This report is a snapshot of last year’s water quality covering all testing performed between January 1 and December 31, 2024. Included are details about your sources of water, what it contains, and how it compares to standards set by regulatory agencies. Our constant goal is to provide you with a safe and dependable supply of drinking water.”
Violations or advisories, as reported: During the past year, we were required to conduct one Level 1 assessment, which we completed. In addition, we were required to take one corrective action, which we completed. No violations were reported for regulated or secondary substances.
CRESTVIEW MUTUAL WATER COMPANY — compliance, as reported
The report states: “Once again, we are proud to report that the water our system met all primary water quality standards. [p. 1]”
Violations or advisories, as reported: None stated. The report explicitly states: \"Once again, we are proud to report that the water our system met all primary water quality standards.\" and \"No violations\" for total coliform.
Del Norte Mutual Water Co. — compliance, as reported
The report states: “Any violation of MCL, AL or MRDL is highlighted. Additional information regarding the violation is provided later in this report.”
Violations or advisories, as reported: Violation of Nitrate as N. Nitrate in drinking water at levels above 10 mg/L is a health risk for infants of less than six months of age. Such nitrate levels in drinking water can interfere with the capacity of the infant's blood to carry oxygen, resulting in a serious illness; symptoms include shortness of breath and blueness of the skin.
Pleasant Valley Mutual Water Company — compliance, as reported
The report states: “The utility states that water quality has always been a priority and their mission is to provide a reliable supply of quality water. The report notes that drinking water may reasonably be expected to contain at least small amounts of some contaminants, which does not necessarily indicate a health risk. The utility ensures tap water is safe to drink by following USEPA and State Department of Health Services regulations.”
Violations or advisories, as reported: The report lists a violation for 'I&M Failure to follow permit condition' and 'I&M Excedding secondary MCL' in 2025. The action taken was 'Increased chlorine to oxidate I&M to filter plant' and the corrected result was 'resampled result ND'. The health effects language notes 'High levels can lead to neurological and development'. Additionally, a note on page 5 mentions that Iron and Manganese were found at levels exceeding the secondary MCLs, which are set to protect against unpleasant aesthetic effects like color, taste, odor, and staining of plumbing fixtures and clothing.
The Three C's — 1 of 3
Chemistry
What does this water tend to do in a home?
CITY OF CAMARILLO
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.
Las Posas
Copper
The utility reported: 0.153 ppm
LEAD AND COPPER MONITORING PROGRAM · report p. 4 · official report
Chloramines
The utility reported: 2.4 ppm
DISINFECTANTS & DISINFECTION BY PRODUCTS · report p. 5 · official report
Chlorine
The utility reported: 1.31 ppm
DISINFECTANTS & DISINFECTION BY PRODUCTS · report p. 5 · official report
Alkalinity
The utility reported: 90 - 130 ppm
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
Calcium
The utility reported: 31 - 38 ppm
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
Magnesium
The utility reported: 13 - 18 ppm
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
Total Hardness
The utility reported: 140 - 164 mg/L as CaCO3
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
Chloride
The utility reported: 49 - 99 ppm
SECONDARY REGULATED SUBSTANCES · report p. 8 · official report
Sulfate
The utility reported: 71 - 103 ppm
SECONDARY REGULATED SUBSTANCES · report p. 8 · official report
Total Dissolved Solids
The utility reported: 297 - 437 ppm
SECONDARY REGULATED SUBSTANCES · report p. 8 · official report
Corrosivity (k)
The utility reported: 12.0 - 12.3
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
Camrosa Water District
Hardness, Total [as CaCO3]
The utility reported: 148 ppm
Calleguas Imported Water · report p. PAGE 7 · official report
Specific Conductance
The utility reported: 510 µS/cm
Calleguas Imported Water · report p. PAGE 7 · official report
Total Dissolved Solids
The utility reported: 306 ppm
Calleguas Imported Water · report p. PAGE 7 · official report
Odor, Threshold
The utility reported: 1 TON
Calleguas Imported Water · report p. PAGE 7 · official report
Nitrate [as nitrogen]
The utility reported: 0.5 ppm
Calleguas Imported Water · report p. PAGE 5 · official report
CRESTVIEW MUTUAL WATER COMPANY
Hardness (Total Hardness)
The utility reported: 367 ppm
ADDITIONAL PARAMETERS (Unregulated) · report p. 6 · official report
Calcium
The utility reported: 93 ppm
ADDITIONAL PARAMETERS (Unregulated) · report p. 6 · official report
Magnesium
The utility reported: 38 ppm
ADDITIONAL PARAMETERS (Unregulated) · report p. 6 · official report
pH
The utility reported: 7.4 pH Units
ADDITIONAL PARAMETERS (Unregulated) · report p. 6 · official report
Alkalinity
The utility reported: 250 ppm
ADDITIONAL PARAMETERS (Unregulated) · report p. 6 · official report
Total Dissolved Solids
The utility reported: 870 ppm
SECONDARY DRINKING WATER STANDARDS--Aesthetic Standards · report p. 6 · official report
Chloride
The utility reported: 66 ppm
SECONDARY DRINKING WATER STANDARDS--Aesthetic Standards · report p. 6 · official report
Sulfate
The utility reported: 297 ppm
SECONDARY DRINKING WATER STANDARDS--Aesthetic Standards · report p. 6 · official report
Sodium
The utility reported: 107 ppm
ADDITIONAL PARAMETERS (Unregulated) · report p. 6 · official report
Lead
The utility reported: Not detected at the report's stated reporting limit ppb
About Lead and Copper · report p. 3 · official report
Total Chlorine Residual
The utility reported: 2.2 ppm
DISINFECTION BY-PRODUCTS AND · report p. 4 · official report
Corrosivity (AI)
The utility reported: 12.3 AI
ADDITIONAL PARAMETERS (Unregulated) · report p. 6 · official report
Del Norte Mutual Water Co.
Hardness
The utility reported: 325 mg/L
Table 3 - SAMPLING RESULTS FOR SODIUM AND HARDNESS · report p. 3 · official report
Magnesium
The utility reported: 31 mg/L
Table 7 - ADDITIONAL DETECTIONS · report p. 4 · official report
Alkalinity
The utility reported: 230 mg/L
Table 7 - ADDITIONAL DETECTIONS · report p. 4 · official report
Total Dissolved Solids
The utility reported: 640 mg/L
Table 5 - DETECTION OF CONTAMINANTS WITH A SECONDARY DRINKING WATER STANDARD · report p. 3 · official report
Chloride
The utility reported: 84 mg/L
Table 5 - DETECTION OF CONTAMINANTS WITH A SECONDARY DRINKING WATER STANDARD · report p. 3 · official report
Sulfate
The utility reported: 134 mg/L
Table 5 - DETECTION OF CONTAMINANTS WITH A SECONDARY DRINKING WATER STANDARD · report p. 3 · official report
Sodium
The utility reported: 71 mg/L
Table 3 - SAMPLING RESULTS FOR SODIUM AND HARDNESS · report p. 3 · official report
Lead 90th percentile
The utility reported: 0 ug/L
Table 2 - SAMPLING RESULTS SHOWING THE DETECTION OF LEAD AND COPPER · report p. 2 · official report
Copper 90th percentile
The utility reported: 0.14 mg/L
Table 2 - SAMPLING RESULTS SHOWING THE DETECTION OF LEAD AND COPPER · report p. 2 · official report
Chlorine, Free
The utility reported: 1.48 mg/L
Table 8 - DETECTION OF DISINFECTANT/DISINFECTANT BYPRODUCT RULE · report p. 4 · official report
Aggressiveness Index
The utility reported: 12.4
Table 7 - ADDITIONAL DETECTIONS · report p. 4 · official report
Langelier Index
The utility reported: 0.5
Table 7 - ADDITIONAL DETECTIONS · report p. 4 · official report
Pleasant Valley Mutual Water Company
Sodium
The utility reported: 110 ppm
Reported range: 60-128
WELL # 10 · report p. 3.0 · official report
Sodium
The utility reported: 155 ppm
Reported range: 140-227
WELL # 11 · report p. 3.0 · official report
Hardness
The utility reported: 724 ppm
Reported range: 300-679
WELL # 10 · report p. 3.0 · official report
Hardness
The utility reported: 653 ppm
Reported range: 432-1020
WELL # 11 · report p. 3.0 · official report
Turbidity
The utility reported: 0.15 NTU
Reported range: 0.03-0.15
WELL # 10 · report p. 4.0 · official report
Sulfate
The utility reported: 620 ppm
Reported range: 120-621
WELL # 10 · report p. 5.0 · official report
Sulfate
The utility reported: 614 ppm
Reported range: 321-911
WELL # 11 · report p. 5.0 · official report
Specific Conductance
The utility reported: 1850 micromhos
Reported range: 920-2000
WELL # 10 · report p. 5.0 · official report
Specific Conductance
The utility reported: 2050 micromhos
Reported range: 1600-2400
WELL # 11 · report p. 5.0 · official report
Manganese
The utility reported: 64 ppb
Reported range: 80-250
WELL # 10 · report p. 5.0 · official report
Manganese
The utility reported: 100 ppb
Reported range: 110-200
WELL # 11 · report p. 5.0 · official report
Iron
The utility reported: Not detected at the report's stated reporting limit ppb
Reported range: ND
WELL # 10 · report p. 5.0 · official report
Total Dissolved Solids
The utility reported: 1360 ppm
Reported range: 600-1510
WELL # 10 · report p. 5.0 · official report
Total Dissolved Solids
The utility reported: 1550 ppm
Reported range: 1120-1590
WELL # 11 · report p. 5.0 · official report
Chloride
The utility reported: 160 ppm
Reported range: 65-140
WELL # 10 · report p. 5.0 · official report
Aggressive Index
The utility reported: 11.5 AI
Reported range: 11.4-11.5
WELL # 10 · report p. 5.0 · official report
Aggressive Index
The utility reported: 11.8 AI
Reported range: 11.7-11.8
WELL # 11 · report p. 5.0 · official report
Bicarbonate Alkalinity
The utility reported: 280 ppm
Reported range: 260-300
WELL # 10 · report p. 5.0 · official report
Bicarbonate Alkalinity
The utility reported: 310 ppm
Reported range: 290-450
WELL # 11 · report p. 5.0 · official report
Calcium
The utility reported: 135 ppm
Reported range: 89-193
WELL # 10 · report p. 5.0 · official report
Calcium
The utility reported: 145 ppm
Reported range: 101-215
WELL # 11 · report p. 5.0 · official report
Magnesium
The utility reported: 34 ppm
Reported range: 25-48
WELL # 10 · report p. 5.0 · official report
Magnesium
The utility reported: 59 ppm
Reported range: 40-70
WELL # 11 · report p. 5.0 · official report
Potassium
The utility reported: 3.8 ppm
Reported range: 2-100
WELL # 10 · report p. 5.0 · official report
Potassium
The utility reported: 7.2 ppm
Reported range: 5.0-7.0
WELL # 11 · report p. 5.0 · official report
Total Anions
The utility reported: 15.2 meq/L
Reported range: 11.3-21.4
WELL # 10 · report p. 5.0 · official report
Total Anions
The utility reported: 16.2 meq/L
Reported range: 18.3-29.2
WELL # 11 · report p. 5.0 · official report
Total Cations
The utility reported: 19.7 meq/L
Reported range: 11.5-30.5
WELL # 10 · report p. 5.0 · official report
Total Cations
The utility reported: 20.7 meq/L
Reported range: 28.3-30.5
WELL # 11 · report p. 5.0 · official report
Odor Threshold
The utility reported: 1 units
Reported range: 1-8
WELL # 10 · report p. 5.0 · official report
Odor Threshold
The utility reported: 1 units
Reported range: 1-8
WELL # 11 · report p. 5.0 · official report
Total Alkalinity (as CaCO3)
The utility reported: 240 ppm
Reported range: 0-240
WELL # 10 · report p. 5.0 · official report
Total Alkalinity (as CaCO3)
The utility reported: 260 ppm
Reported range: 0-220
WELL # 11 · report p. 5.0 · 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 CAMARILLO — 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.
Las Posas — regulated contaminants reported as detected (18)
Total Coliform
The utility reported: 0 % positive
Reported range: 0
TT: No more than 1 positive monthly sample · Health goal (MCLG): 0 — not an enforceable limit
Violation per report: No
Typical source, per the report: Naturally present in the environment and are used as an indicator that other, potentially harmful, waterborne pathogens may be present or that a potential pathway exists through which contamination may enter the drinking water distribution system
REVISED TOTAL COLIFORM RULE · report p. 3 · official report
E. Coli
The utility reported: 0 samples
Reported range: 0
TT: No confirmed samples · Health goal (MCLG): 0 — not an enforceable limit
Violation per report: No
Typical source, per the report: Human and animal fecal waste. If present may cause short term health effects such as diarrhea, cramps nausea. Poses the greatest risk for young children & the elderly.
REVISED TOTAL COLIFORM RULE · report p. 3 · official report
Lead
The utility reported: 1.0 ppb
Reported range: ND to 5
AL: 15 · Health goal (MCLG): 0.2 — not an enforceable limit
Violation per report: No
Typical source, per the report: Corrosion of household plumbing systems
LEAD AND COPPER MONITORING PROGRAM · report p. 4 · official report
Copper
The utility reported: 0.153 ppm
Reported range: ND to 0.181
AL: 1.3 · Health goal (MCLG): 1.3 — not an enforceable limit
Violation per report: No
Typical source, per the report: Corrosion of household plumbing systems
LEAD AND COPPER MONITORING PROGRAM · report p. 4 · official report
Turbidity
The utility reported: 0.16 NTU
Reported range: 0.06 - 0.16
TT: % of samples <=0.3 NTU · Health goal (MCLG): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: Soil runoff
TURBIDITY · report p. 4 · official report
Total Organic Carbon
The utility reported: 2.5 ppm
Reported range: 1.8 - 2.8
TT: TT · Health goal (MCLG): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: Naturally present in the environment
TREATMENT BYPRODUCTS PRECURSOR REMOVAL · report p. 5 · official report
Haloacetic Acids
The utility reported: 6.7 ppb
Reported range: NA
Legal limit (MCL): 60 · Health goal (MCLG): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: By-product of drinking water disinfection.
DISINFECTANTS & DISINFECTION BY PRODUCTS · report p. 5 · official report
Total Trihalomethanes
The utility reported: 28 ppb
Reported range: NA
Legal limit (MCL): 80 · Health goal (MCLG): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: By-product of drinking water disinfection.
DISINFECTANTS & DISINFECTION BY PRODUCTS · report p. 5 · official report
Chloramines
The utility reported: 2.4 ppm
Reported range: 1.7 - 2.8
MRDL: 4 · Health goal (MRDLG): 4 — not an enforceable limit
Violation per report: No
Typical source, per the report: Water additive used to control microbes.
DISINFECTANTS & DISINFECTION BY PRODUCTS · report p. 5 · official report
Chlorine
The utility reported: 1.31 ppm
Reported range: 0.66 to 1.97
MRDL: 4 · Health goal (MRDLG): 4 — not an enforceable limit
Violation per report: No
Typical source, per the report: Water additive used to control microbes.
DISINFECTANTS & DISINFECTION BY PRODUCTS · report p. 5 · official report
Aluminum
The utility reported: 60 ppb
Reported range: ND - 79
Legal limit (MCL): 1000 · Health goal (PHG): 600 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits.
PRIMARY REGULATED SUBSTANCES · report p. 6 · official report
Arsenic
The utility reported: 2 ppb
Reported range: ND - 2
Legal limit (MCL): 10 · Health goal (PHG): 0.004 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; runoff from orchards; glass and electronic production wastes.
PRIMARY REGULATED SUBSTANCES · report p. 6 · official report
Fluoride
The utility reported: 0.7 ppm
Reported range: 0.2 - 1.1
Legal limit (MCL): 2 · Health goal (PHG): 1 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; water additive which promotes strong teeth; discharge from fertilizer and aluminum factories.
PRIMARY REGULATED SUBSTANCES · report p. 6 · official report
Selenium
The utility reported: 9 ppb
Reported range: ND - 9
Legal limit (MCL): 50 · Health goal (PHG): 30 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits.
PRIMARY REGULATED SUBSTANCES · report p. 6 · official report
Thallium
The utility reported: 1 ppb
Reported range: ND - 2
Legal limit (MCL): 2 · Health goal (PHG): 0.1 — not an enforceable limit
Violation per report: No
Typical source, per the report: Leaching from ore-processing sites; discharge from electronics, glass, and drug factories.
PRIMARY REGULATED SUBSTANCES · report p. 7 · official report
Uranium
The utility reported: 2.0 pCi/L
Reported range: 1.1 - 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.
PRIMARY REGULATED SUBSTANCES · report p. 7 · official report
Gross Alpha Particle Activity
The utility reported: 2.0 pCi/L
Reported range: ND - 3.1
Legal limit (MCL): 15 · Health goal (PHG): 0 — not an enforceable limit
Violation per report: No
Typical source, per the report: Decay of natural and man-made deposits.
PRIMARY REGULATED SUBSTANCES · report p. 7 · official report
Gross Beta Particle Activity
The utility reported: 7.6 pCi/L
Reported range: ND - 9.1
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.
PRIMARY REGULATED SUBSTANCES · report p. 7 · official report
Las Posas — unregulated monitoring and secondary (aesthetic) records (14)
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: 99 ppm
Reported range: 52 - 100
Typical source, per the report: Leaching from natural deposits
SECONDARY REGULATED SUBSTANCES · report p. 8 · official report
Color
The utility reported: 3 color units
Reported range: ND - 5
Typical source, per the report: Naturally occurring organic materials
SECONDARY REGULATED SUBSTANCES · report p. 8 · official report
Specific Conductance
The utility reported: 752 mmhos/cm
Reported range: 503 - 765
Typical source, per the report: Substances that form ions when in water
SECONDARY REGULATED SUBSTANCES · report p. 8 · official report
Sulfate
The utility reported: 103 ppm
Reported range: 64 - 110
Typical source, per the report: Leaching from natural deposits
SECONDARY REGULATED SUBSTANCES · report p. 8 · official report
Total Dissolved Solids
The utility reported: 437 ppm
Reported range: 290 - 470
Typical source, per the report: Leaching from natural deposits
SECONDARY REGULATED SUBSTANCES · report p. 8 · official report
Alkalinity
The utility reported: 130 ppm
Reported range: 90 - 130
Typical source, per the report: Naturally occurring.
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
Boron
The utility reported: 0.3 ppm
Reported range: 0.2 - 0.3
Typical source, per the report: Naturally occurring
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
Calcium
The utility reported: 38 ppm
Reported range: 31 - 38
Typical source, per the report: Leaching from natural deposits
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
Magnesium
The utility reported: 18 ppm
Reported range: 13 - 18
Typical source, per the report: Leaching from natural deposits
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
pH
The utility reported: 8.4
Reported range: 8.0 - 8.4
Typical source, per the report: pH is a measure of the acid/base properties of water.
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
Potassium
The utility reported: 4.0 ppm
Reported range: 2.8 - 4.0
Typical source, per the report: Leaching from natural deposits
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
Sodium
The utility reported: 86 ppm
Reported range: 43 - 86
Typical source, per the report: Erosion from naturally occurring deposits: Used in water softener regeneration.
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
N-Nitrosodimethylamine (NDMA)
The utility reported: 2.1 ppt
Reported range: ND - 2.1
Typical source, per the report: Man made, used in industrial applications
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
Total Hardness
The utility reported: 164 mg/L as CaCO3
Reported range: 140 - 164
Typical source, per the report: Naturally occurring.
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
Camrosa Water District — regulated contaminants reported as detected (20)
Chlorine Residual
The utility reported: LRAA 1.15 ppm
Reported range: ND - 2.4
Benchmark: 4 · Health goal (goal): 4 — not an enforceable limit
Violation per report: No
Typical source, per the report: Water additive used to control microbes
Reported constituent · report p. PAGE 4 · official report
Haloacetic Acids [HAAs]
The utility reported: LRAA 5.0 ppb
Reported range: ND - 8
Benchmark: 60 · Health goal (goal): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: By-product of drinking water disinfection
Reported constituent · report p. PAGE 4 · official report
Trihalomethanes [TTHMs]
The utility reported: LRAA 13.0 ppb
Reported range: ND - 17
Benchmark: 80 · Health goal (goal): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: By-product of drinking water disinfection
Reported constituent · report p. PAGE 4 · official report
Turbidity
The utility reported: 0.67 NTU
Reported range: 0.05 - 0.67
Benchmark: TT · Health goal (goal): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: Soil runoff
Reported constituent · report p. PAGE 4 · official report
Turbidity (lowest monthly percent of samples meeting limit)
The utility reported: 98.8% of samples <= 0.3
Reported range: NA
Benchmark: TT · Health goal (goal): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: Soil runoff
Reported constituent · report p. PAGE 4 · official report
Copper
The utility reported: 0.22 ppm
Reported range: 0-0.55
Benchmark: 1.3 · Health goal (goal): 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
Reported constituent · report p. PAGE 4 · official report
Lead
The utility reported: 0 ppb
Reported range: 0-5
Benchmark: 15 · Health goal (goal): 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
Reported constituent · report p. PAGE 4 · official report
Aluminum
The utility reported: 0.062 ppm
Reported range: 0.052–0.091
Benchmark: 1 · Health goal (goal): 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
Reported constituent · report p. PAGE 5 · official report
Arsenic
The utility reported: 0.06 ppb
Reported range: 0.04–0.08
Benchmark: 10 · Health goal (goal): 0.004 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; Runoff from orchards; Glass and electronics production wastes
Reported constituent · report p. PAGE 5 · official report
Bromate
The utility reported: 3.1 ppb
Reported range: ND–5.4
Benchmark: 10 · Health goal (goal): 0.1 — not an enforceable limit
Violation per report: No
Typical source, per the report: By-product of drinking water disinfection
Reported constituent · report p. PAGE 5 · official report
Chlorine
The utility reported: 0.0023 ppm
Reported range: 0.0017–0.0028
Benchmark: [4.0 (as Cl2)] · Health goal (goal): [4 (as Cl2)] — not an enforceable limit
Violation per report: No
Typical source, per the report: Drinking water disinfectant added for treatment
Reported constituent · report p. PAGE 5 · official report
Fluoride
The utility reported: 0.7 ppm
Reported range: 0.6–1.0
Benchmark: 2.0 · Health goal (goal): 1 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; Water additive that promotes strong teeth; Discharge from fertilizer and aluminum factories
Reported constituent · report p. PAGE 5 · official report
Gross Beta Particle Activity
The utility reported: 0.11 pCi/L
Reported range: 0.108–0.112
Benchmark: 50 · Health goal (goal): (0) — not an enforceable limit
Violation per report: No
Typical source, per the report: Decay of natural and human-made deposits
Reported constituent · report p. PAGE 5 · official report
Haloacetic Acids
The utility reported: 12.0 ppb
Reported range: 6.0–22.0
Benchmark: 60 · Health goal (goal): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: By-product of drinking water disinfection
Reported constituent · report p. PAGE 5 · official report
Heterotrophic Plate Count Bacteria
The utility reported: Not detected at the report's stated reporting limit CFU/mL
Reported range: ND–2
Benchmark: TT · Health goal (goal): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: Naturally present in the environment
Reported constituent · report p. PAGE 5 · official report
Nitrate [as nitrogen]
The utility reported: 0.5 ppm
Reported range: 0.5–0.5
Benchmark: 10 · Health goal (goal): 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
Reported constituent · report p. PAGE 5 · official report
Selenium
The utility reported: Not detected at the report's stated reporting limit ppb
Reported range: ND–0.12
Benchmark: 50 · Health goal (goal): 30 — not an enforceable limit
Violation per report: No
Typical source, per the report: Discharge from petroleum, glass, and metal refineries; Erosion of natural deposits; Discharge from mines and chemical manufacturers; Runoff from livestock lots (feed additive)
Reported constituent · report p. PAGE 5 · official report
Total Trihalomethanes
The utility reported: 21.8 ppb
Reported range: 13.0–36.0
Benchmark: 80 · Health goal (goal): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: By-product of drinking water disinfection
Reported constituent · report p. PAGE 5 · official report
Turbidity
The utility reported: 0.04 NTU
Reported range: NA
Benchmark: TT · Health goal (goal): NA — not an enforceable limit
Violation per report: No
Typical source, per the report: Soil runoff
Reported constituent · report p. PAGE 5 · official report
Uranium
The utility reported: 2.0 pCi/L
Reported range: 1.9–3.0
Benchmark: 20 · Health goal (goal): 0.43 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits
Reported constituent · report p. PAGE 5 · official report
Camrosa Water District — unregulated monitoring and secondary (aesthetic) records (16)
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.
Alkalinity
The utility reported: 98 ppm
Reported range: 94–101
Typical source, per the report: NA
Reported constituent · report p. PAGE 7 · official report
Boron
The utility reported: 0.17 ppm
Reported range: 0.17–0.17
Typical source, per the report: NA
Reported constituent · report p. PAGE 7 · official report
Calcium
The utility reported: 38 ppm
Reported range: 38–39
Typical source, per the report: NA
Reported constituent · report p. PAGE 7 · official report
Chlorate
The utility reported: 71 ppb
Reported range: 71–71
Typical source, per the report: NA
Reported constituent · report p. PAGE 7 · official report
Hardness, Total [as CaCO3]
The utility reported: 148 ppm
Reported range: 143–153
Typical source, per the report: NA
Reported constituent · report p. PAGE 7 · official report
pH
The utility reported: 8.3 units
Reported range: 8.2–8.3
Typical source, per the report: NA
Reported constituent · report p. PAGE 7 · official report
Potassium
The utility reported: 2.6 ppm
Reported range: 2.6–2.6
Typical source, per the report: NA
Reported constituent · report p. PAGE 7 · official report
Sodium
The utility reported: 46 ppm
Reported range: 46–46
Typical source, per the report: NA
Reported constituent · report p. PAGE 7 · official report
Total Organic Carbon [TOC]
The utility reported: 2.4 ppm
Reported range: 2.0–2.5
Typical source, per the report: NA
Reported constituent · report p. PAGE 7 · official report
Aluminum
The utility reported: 62 ppb
Reported range: 52–91
Typical source, per the report: Erosion of natural deposits; Residual from some surface water treatment processes
Reported constituent · report p. PAGE 7 · official report
Chloride
The utility reported: 40 ppm
Reported range: 39–41
Typical source, per the report: Runoff/leaching from natural deposits; Seawater influence
Reported constituent · report p. PAGE 7 · official report
Color
The utility reported: 1 units
Reported range: 1–1
Typical source, per the report: Naturally occurring organic materials
Reported constituent · report p. PAGE 7 · official report
Corrosivity
The utility reported: 12.2 units
Reported range: 12.2–12.2
Typical source, per the report: Natural or industrially influenced balance of hydrogen, carbon, and oxygen affected by temperature and other factors
Reported constituent · report p. PAGE 7 · official report
Specific Conductance
The utility reported: 510 µS/cm
Reported range: 498–522
Typical source, per the report: Substances that form ions when in water; Seawater influence
Reported constituent · report p. PAGE 7 · official report
Sulfate
The utility reported: 90 ppm
Reported range: 89–92
Typical source, per the report: Runoff/leaching from natural deposits; Industrial wastes
Reported constituent · report p. PAGE 7 · official report
Total Dissolved Solids
The utility reported: 306 ppm
Reported range: 291–322
Typical source, per the report: Runoff/leaching from natural deposits
Reported constituent · report p. PAGE 7 · official report
CRESTVIEW MUTUAL WATER COMPANY — regulated contaminants reported as detected (6)
Turbidity
The utility reported: Not detected at the report's stated reporting limit NTU
Reported range: ND
TT: 1.0
Violation per report: No
Typical source, per the report: Soil runoff
PRIMARY DRINKING WATER · report p. 4 · official report
Total Chlorine Residual
The utility reported: 2.2 ppm
Reported range: 0.6 - 2.2
MRDL: 4 · Health goal (MRDLG): 4 — not an enforceable limit
Violation per report: No
Typical source, per the report: Drinking water disinfectant added for treatment
DISINFECTION BY-PRODUCTS AND · report p. 4 · official report
Haloacetic Acids
The utility reported: 24.5 ppb
Reported range: 16.0 - 18.0
Legal limit (MCL): 60
Violation per report: No
Typical source, per the report: By-product of drinking water disinfection, sampled quarterly
DISINFECTION BY-PRODUCTS AND · report p. 4 · official report
Total Trihalomethanes
The utility reported: 64.8 ppb
Reported range: 58 - 60
Legal limit (MCL): 80
Violation per report: No
Typical source, per the report: By-product of drinking water disinfection, sampled quarterly
DISINFECTION BY-PRODUCTS AND · report p. 4 · official report
Fluoride - Distribution System
The utility reported: 0.3 ppm
Reported range: 0.3
Legal limit (MCL): 2.0 · Health goal (PHG): 1 — not an enforceable limit
Violation per report: No
Typical source, per the report: Water additive that promotes strong teeth, naturally occuring
INORGANIC CHEMICALS · report p. 4 · official report
Gross Alpha Particle Activity
The utility reported: 3 pCi/L
Reported range: 2.03 - 4.15
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
RADIOLOGICALS · report p. 4 · official report
CRESTVIEW MUTUAL WATER COMPANY — unregulated monitoring and secondary (aesthetic) records (2)
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.
Specific Conductance
The utility reported: 1180 µS/cm
Reported range: 1150-1210
Typical source, per the report: Substances that form ions when in water; seawater influence
SECONDARY DRINKING WATER STANDARDS--Aesthetic Standards · report p. 6 · official report
Potassium
The utility reported: 6.0 ppm
Reported range: 5.0 - 6.0
Typical source, per the report: Runoff and leaching from natural deposits
ADDITIONAL PARAMETERS (Unregulated) · report p. 6 · official report
Del Norte Mutual Water Co. — regulated contaminants reported as detected (12)
Lead
The utility reported: 0 ug/L
Reported range: ND - 10
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
Table 2 - SAMPLING RESULTS SHOWING THE DETECTION OF LEAD AND COPPER · report p. 2 · official report
Copper
The utility reported: 0.14 mg/L
Reported range: ND - 0.15
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
Table 2 - SAMPLING RESULTS SHOWING THE DETECTION OF LEAD AND COPPER · report p. 2 · official report
Arsenic
The utility reported: 2 ug/L
Reported range: 2 - 2
Legal limit (MCL): 10 · Health goal (PHG): 0.004 — not an enforceable limit
Violation per report: No
Typical source, per the report: Erosion of natural deposits; runoff from orchards, glass and electronics production wastes
Table 4 - DETECTION OF CONTAMINANTS WITH A PRIMARY DRINKING WATER STANDARD · report p. 3 · official report
Hexavalent Chromium
The utility reported: Not detected at the report's stated reporting limit ug/L
Reported range: ND - 1.0
Legal limit (MCL): 10 · Health goal (PHG): 0.02 — not an enforceable limit
Violation per report: No
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.
Table 4 - DETECTION OF CONTAMINANTS WITH A PRIMARY DRINKING WATER STANDARD · report p. 3 · 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
Typical source, per the report: Erosion of natural deposits; water additive that promotes strong teeth; discharge from fertilizer and aluminum factories.
Table 4 - DETECTION OF CONTAMINANTS WITH A PRIMARY DRINKING WATER STANDARD · report p. 3 · official report
Nitrate as N
The utility reported: 6.6 mg/L
Reported range: ND - 10.5
Legal limit (MCL): 10 · Health goal (PHG): 10 — not an enforceable limit
Violation per report: Yes
Typical source, per the report: Runoff and leaching from fertilizer use; leaching from septic tanks and sewage; erosion of natural deposits
Table 4 - DETECTION OF CONTAMINANTS WITH A PRIMARY DRINKING WATER STANDARD · report p. 3 · official report
Nitrate + Nitrite as N
The utility reported: 8 mg/L
Reported range: 8.0 - 8.0
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
Table 4 - DETECTION OF CONTAMINANTS WITH A PRIMARY DRINKING WATER STANDARD · report p. 3 · official report
Selenium
The utility reported: 18 ug/L
Reported range: 18 - 18
Legal limit (MCL): 50 · Health goal (PHG): 30 — not an enforceable limit
Violation per report: No
Typical source, per the report: Discharge from petroleum, glass, and metal refineries; erosion of natural deposits; discharge from mines and chemical manufacturers; runoff from livestock lots(feed additive)
Table 4 - DETECTION OF CONTAMINANTS WITH A PRIMARY DRINKING WATER STANDARD · report p. 3 · official report
Gross Alpha
The utility reported: 8.7 pCi/L
Reported range: 8.70 - 8.70
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.
Table 4 - DETECTION OF CONTAMINANTS WITH A PRIMARY DRINKING WATER STANDARD · report p. 3 · official report
Uranium
The utility reported: 7.1 pCi/L
Reported range: 7.10 - 7.10
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
Table 4 - DETECTION OF CONTAMINANTS WITH A PRIMARY DRINKING WATER STANDARD · report p. 3 · official report
Total Trihalomethanes (TTHMs)
The utility reported: 3 ug/L
Reported range: 3 - 3
Legal limit (MCL): 80
Violation per report: No
Typical source, per the report: By-product of drinking water disinfection
Table 8 - DETECTION OF DISINFECTANT/DISINFECTANT BYPRODUCT RULE · report p. 4 · official report
Chlorine, Free
The utility reported: 1.48 mg/L
Reported range: 0.50 - 2.04
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.
Table 8 - DETECTION OF DISINFECTANT/DISINFECTANT BYPRODUCT RULE · report p. 4 · official report
Del Norte Mutual Water Co. — unregulated monitoring and secondary (aesthetic) records (8)
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: 84 mg/L
Reported range: 84 - 84
Typical source, per the report: Runoff/leaching from natural deposits; seawater influence
Table 5 - DETECTION OF CONTAMINANTS WITH A SECONDARY DRINKING WATER STANDARD · report p. 3 · official report
Manganese
The utility reported: 4 ug/L
Reported range: ND - 20
Typical source, per the report: Leaching from natural deposits
Table 5 - DETECTION OF CONTAMINANTS WITH A SECONDARY DRINKING WATER STANDARD · report p. 3 · official report
Specific Conductance
The utility reported: 983 umhos/cm
Reported range: 983 - 983
Typical source, per the report: Substances that form ions when in water; seawater influence
Table 5 - DETECTION OF CONTAMINANTS WITH A SECONDARY DRINKING WATER STANDARD · report p. 3 · official report
Sulfate
The utility reported: 134 mg/L
Reported range: 134 - 134
Typical source, per the report: Runoff/leaching from natural deposits; industrial wastes
Table 5 - DETECTION OF CONTAMINANTS WITH A SECONDARY DRINKING WATER STANDARD · report p. 3 · official report
Total Dissolved Solids
The utility reported: 640 mg/L
Reported range: 640 - 640
Typical source, per the report: Runoff/leaching from natural deposits
Table 5 - DETECTION OF CONTAMINANTS WITH A SECONDARY DRINKING WATER STANDARD · report p. 3 · official report
Zinc
The utility reported: 0.04 mg/L
Reported range: 0.04 - 0.04
Typical source, per the report: Runoff/leaching from natural deposits
Table 5 - DETECTION OF CONTAMINANTS WITH A SECONDARY DRINKING WATER STANDARD · report p. 3 · official report
Boron
The utility reported: 0.2 mg/L
Reported range: 0.2 - 0.2
Typical source, per the report: Boron exposures resulted in decreased fetal weight (developmental effects) in newborn rats.
Table 6 - DETECTION OF UNREGULATED CONTAMINANTS · report p. 4 · official report
Vanadium
The utility reported: 5 ug/L
Reported range: 5 - 5
Typical source, per the report: Vanadium exposures resulted in developmental and reproductive effects in rats.
Table 6 - DETECTION OF UNREGULATED CONTAMINANTS · report p. 4 · official report
Pleasant Valley Mutual Water Company — regulated contaminants reported as detected (7)
Lead
The utility reported: Not detected at the report's stated reporting limit ppb
Legal limit (MCL): 15 · Health goal (goal): 2 — not an enforceable limit
Violation per report: 0
Typical source, per the report: Internal corrosion of household water plumbing systems; discharges from manufacturers; erosion of natural deposits.
TABLE 1 - SAMPLING RESULTS SHOWING THE DETECTION OF LEAD AND COPPER · report p. 3.0 · official report
Copper
The utility reported: 299 ppm
Legal limit (MCL): 1.3 · Health goal (goal): 0.17 — not an enforceable limit
Violation per report: 0
Typical source, per the report: Internal corrosion of household water plumbing systems; erosion of natural deposits; leaching from wood preservatives.
TABLE 1 - SAMPLING RESULTS SHOWING THE DETECTION OF LEAD AND COPPER · report p. 3.0 · official report
Fluoride
The utility reported: 0.2-0.3 ppm
Reported range: 0.2-0.3
Legal limit (MCL): 2 · Health goal (goal): 1 — not an enforceable limit
Typical source, per the report: Erosion of natural deposits, water additive
INORGANIC CHEMICALS - TABLE 4 · report p. 4.0 · official report
Gross Alpha
The utility reported: 2.9-10.1 pCi/L
Reported range: 2.9-10.1
Legal limit (MCL): 15 · Health goal (goal): 0 — not an enforceable limit
Typical source, per the report: Erosion of natural deposits
RADIOACTIVITY - TABLE 5 · report p. 4.0 · official report
Uranium
The utility reported: Not detected at the report's stated reporting limit pCi/L
Legal limit (MCL): 20 · Health goal (goal): 0.43 — not an enforceable limit
Typical source, per the report: Erosion of natural deposits
RADIOACTIVITY - TABLE 5 · report p. 4.0 · official report
Total Coliform Bacteria
The utility reported: 0
Legal limit (MCL): two or more positively · Health goal (goal): 0 — not an enforceable limit
Typical source, per the report: Naturally present in the environment
Table 11. Results of the Detection of Coliform · report p. 7.0 · official report
Fecal Coliform and E. coli
The utility reported: 0
Legal limit (MCL): 0 · Health goal (goal): 0 — not an enforceable limit
Typical source, per the report: Human and animal fecal waste
Table 11. Results of the Detection of Coliform · report p. 7.0 · official report
Pleasant Valley Mutual Water Company — unregulated monitoring and secondary (aesthetic) records (2)
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.
Total Trihalomethanes
The utility reported: Not detected at the report's stated reporting limit ppb
Reported range: ND
Typical source, per the report: Byproduct of drinking water disinfection
TABLE 8 - ADDITIONAL CONSTITUENTS ANALYZED · report p. 6.0 · official report
Haloacetic Acids
The utility reported: Not detected at the report's stated reporting limit ppb
Reported range: ND
Typical source, per the report: Byproduct of drinking water disinfection
TABLE 8 - ADDITIONAL CONSTITUENTS ANALYZED · report p. 6.0 · official report
The Three C's — 3 of 3
Corrosion
What conditions could influence pipes, fixtures, and a water heater?
CITY OF CAMARILLO
Corrosion-related inputs (such as pH or alkalinity) were not itemized in this provider's reviewed report.
Las Posas
Copper
The utility reported: 0.153 ppm
LEAD AND COPPER MONITORING PROGRAM · report p. 4 · official report
Alkalinity
The utility reported: 90 - 130 ppm
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
Chloride
The utility reported: 49 - 99 ppm
SECONDARY REGULATED SUBSTANCES · report p. 8 · official report
Sulfate
The utility reported: 71 - 103 ppm
SECONDARY REGULATED SUBSTANCES · report p. 8 · official report
Gross Alpha Particle Activity
The utility reported: 2.0 pCi/L
Reported range: ND - 3.1
Typical source, per the report: Decay of natural and man-made deposits.
PRIMARY REGULATED SUBSTANCES · report p. 7 · official report
Chloride
The utility reported: 99 ppm
Reported range: 52 - 100
Typical source, per the report: Leaching from natural deposits
SECONDARY REGULATED SUBSTANCES · report p. 8 · official report
Sulfate
The utility reported: 103 ppm
Reported range: 64 - 110
Typical source, per the report: Leaching from natural deposits
SECONDARY REGULATED SUBSTANCES · report p. 8 · official report
Alkalinity
The utility reported: 130 ppm
Reported range: 90 - 130
Typical source, per the report: Naturally occurring.
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
pH
The utility reported: 8.4
Reported range: 8.0 - 8.4
Typical source, per the report: pH is a measure of the acid/base properties of water.
OTHER SUBSTANCES OF INTEREST · report p. 9 · official report
Camrosa Water District
Copper
The utility reported: 0.22 ppm
Reported range: 0-0.55
Typical source, per the report: Internal corrosion of household plumbing systems; erosion of natural deposits; leaching from wood preservatives
Reported constituent · report p. PAGE 4 · official report
Lead
The utility reported: 0 ppb
Reported range: 0-5
Typical source, per the report: Internal corrosion of household water plumbing systems; discharges from industrial manufacturers; erosion of natural deposits
Reported constituent · report p. PAGE 4 · official report
Heterotrophic Plate Count Bacteria
The utility reported: Not detected at the report's stated reporting limit CFU/mL
Reported range: ND–2
Typical source, per the report: Naturally present in the environment
Reported constituent · report p. PAGE 5 · official report
CRESTVIEW MUTUAL WATER COMPANY
pH
The utility reported: 7.4 pH Units
ADDITIONAL PARAMETERS (Unregulated) · report p. 6 · official report
Alkalinity
The utility reported: 250 ppm
ADDITIONAL PARAMETERS (Unregulated) · report p. 6 · official report
Chloride
The utility reported: 66 ppm
SECONDARY DRINKING WATER STANDARDS--Aesthetic Standards · report p. 6 · official report
Sulfate
The utility reported: 297 ppm
SECONDARY DRINKING WATER STANDARDS--Aesthetic Standards · report p. 6 · official report
Lead
The utility reported: Not detected at the report's stated reporting limit ppb
About Lead and Copper · report p. 3 · official report
Gross Alpha Particle Activity
The utility reported: 3 pCi/L
Reported range: 2.03 - 4.15
Typical source, per the report: Erosion of natural deposits
RADIOLOGICALS · report p. 4 · official report
Del Norte Mutual Water Co.
Alkalinity
The utility reported: 230 mg/L
Table 7 - ADDITIONAL DETECTIONS · report p. 4 · official report
Chloride
The utility reported: 84 mg/L
Table 5 - DETECTION OF CONTAMINANTS WITH A SECONDARY DRINKING WATER STANDARD · report p. 3 · official report
Sulfate
The utility reported: 134 mg/L
Table 5 - DETECTION OF CONTAMINANTS WITH A SECONDARY DRINKING WATER STANDARD · report p. 3 · official report
Lead 90th percentile
The utility reported: 0 ug/L
Table 2 - SAMPLING RESULTS SHOWING THE DETECTION OF LEAD AND COPPER · report p. 2 · official report
Copper 90th percentile
The utility reported: 0.14 mg/L
Table 2 - SAMPLING RESULTS SHOWING THE DETECTION OF LEAD AND COPPER · report p. 2 · official report
Lead
The utility reported: 0 ug/L
Reported range: ND - 10
Typical source, per the report: Internal corrosion of household water plumbing systems; discharges from industrial manufacturers, erosion of natural deposits
Table 2 - SAMPLING RESULTS SHOWING THE DETECTION OF LEAD AND COPPER · report p. 2 · official report
Copper
The utility reported: 0.14 mg/L
Reported range: ND - 0.15
Typical source, per the report: Internal corrosion of household plumbing systems; erosion of natural deposits; leaching from wood preservatives
Table 2 - SAMPLING RESULTS SHOWING THE DETECTION OF LEAD AND COPPER · report p. 2 · official report
Gross Alpha
The utility reported: 8.7 pCi/L
Reported range: 8.70 - 8.70
Typical source, per the report: Erosion of natural deposits.
Table 4 - DETECTION OF CONTAMINANTS WITH A PRIMARY DRINKING WATER STANDARD · report p. 3 · official report
Pleasant Valley Mutual Water Company
Sulfate
The utility reported: 620 ppm
Reported range: 120-621
WELL # 10 · report p. 5.0 · official report
Sulfate
The utility reported: 614 ppm
Reported range: 321-911
WELL # 11 · report p. 5.0 · official report
Chloride
The utility reported: 160 ppm
Reported range: 65-140
WELL # 10 · report p. 5.0 · official report
Bicarbonate Alkalinity
The utility reported: 280 ppm
Reported range: 260-300
WELL # 10 · report p. 5.0 · official report
Bicarbonate Alkalinity
The utility reported: 310 ppm
Reported range: 290-450
WELL # 11 · report p. 5.0 · official report
Total Alkalinity (as CaCO3)
The utility reported: 240 ppm
Reported range: 0-240
WELL # 10 · report p. 5.0 · official report
Total Alkalinity (as CaCO3)
The utility reported: 260 ppm
Reported range: 0-220
WELL # 11 · report p. 5.0 · official report
Lead
The utility reported: Not detected at the report's stated reporting limit ppb
Typical source, per the report: Internal corrosion of household water plumbing systems; discharges from manufacturers; erosion of natural deposits.
TABLE 1 - SAMPLING RESULTS SHOWING THE DETECTION OF LEAD AND COPPER · report p. 3.0 · official report
Copper
The utility reported: 299 ppm
Typical source, per the report: Internal corrosion of household water plumbing systems; erosion of natural deposits; leaching from wood preservatives.
TABLE 1 - SAMPLING RESULTS SHOWING THE DETECTION OF LEAD AND COPPER · report p. 3.0 · official report
Gross Alpha
The utility reported: 2.9-10.1 pCi/L
Reported range: 2.9-10.1
Typical source, per the report: Erosion of natural deposits
RADIOACTIVITY - TABLE 5 · report p. 4.0 · 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 CAMARILLO
Annual Water Quality Report · data year 2024 · 2024 data retained; monitor for the next official update
View the 2024 CITY OF CAMARILLO Consumer Confidence ReportSource water, per the report: The provided text does not identify the system’s source waters. It states only that the North Pleasant Valley Desalter improved water quality in portions of the city by reducing mineral content and improving overall water clarity.
Official report — Las Posas
2025 Annual Water Quality Report Summary · data year 2025 · Current 2025 monitoring cycle
View the 2025 Las Posas Consumer Confidence ReportSource water, per the report: The Las Posas water system is served entirely by treated surface water purchased from the Calleguas Municipal Water District. Calleguas Municipal Water District is an authorized wholesaler of treated surface water received from the Metropolitan Water District of Southern California’s (MWDSC) Jensen and Weymouth treatment plants. The sources of the raw surface water are the Sacramento and Colorado Rivers. These waters are conveyed to Southern California via the California Aqueduct (also known as the State Water Project) and the Colorado River Aqueduct.
Official report — Camrosa Water District
Annual Water Quality Report · data year 2024 · 2024 data retained; monitor for the next official update
View the 2024 Camrosa Water District Consumer Confidence ReportSource water, per the report: Camrosa uses a combination of imported and local water. Camrosa Water District operates nine wells in addition to importing water from Calleguas Municipal Water District (a distributor for the Metropolitan Water District of Southern California). In 2024 approximately 55 percent of the water came from these local wells, and the rest was imported. Local sources include GAC Plant, Penny Well, Woodcreek Well, PV Well 2, RMWTP, and Tierra Rejada Well.
Official report — CRESTVIEW MUTUAL WATER COMPANY
Annual Water Quality Report · data year 2025 · Current 2025 monitoring cycle
View the 2025 CRESTVIEW MUTUAL WATER COMPANY Consumer Confidence ReportSource water, per the report: Our primary water source is the Fox Canyon & Grimes Canyon Aquifers (84%). Crestview also received 15% of our water supply during 2025 from the Metropolitan Municipal Water District of Southern California (MWDSC) through the Calleguas Municipal Water District (CMWD).
Official report — Del Norte Mutual Water Co.
2025 Consumer Confidence Report · data year 2025 · Current 2025 monitoring cycle
View the 2025 Del Norte Mutual Water Co. Consumer Confidence ReportSource water, per the report: According to SWRCB records, this Source is Groundwater. Your water comes from 1 source(s): WELL 10 and from 1 treated location(s): 647 W. La Loma Ave.
Official report — Pleasant Valley Mutual Water Company
ANNUAL WATER QUALITY REPORT 2025 · data year 2025 · Current 2025 monitoring cycle
View the 2025 Pleasant Valley Mutual Water Company Consumer Confidence Report (PDF)Source water, per the report: The water comes from three municipal wells drawing from the Fox Canyon Aquifer, located on the east side of the district. Additionally, water is imported from Calleguas Municipal Water District, which originates from the Metropolitan Water District of Southern California's State Water Project supplies.
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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