ANDERSON is served by 5 water providers on file with the EPA.
Data current as of July 2026
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Results for ANDERSON, CA
5 water providers on file serving this city.
Quick answer: ANDERSON's water currently has an open health-based violation on file: Lead And Copper Rule Revisions, a compliance issue since 10/17/2024. This is active, not historical — see the violation detail below for what EPA's enforcement record shows.
Nitrate
Lead Summary
Lead
Copper, Free
Magnesium
Sodium
Calcium
Alkalinity, Total
Alkalinity, Bicarbonate
Chloride
TDS
Sulfate
Perfluorobutanesulfonicacid (PFBS)
Perfluoroctanesulfonicacid (PFOS)
Perfluoroctanoicacid (PFOA)
Perfluorohexanesulfonicacid (PFHxS)
Turbidity
pH
Violations on file
Lead And Copper Rule Revisions
Currently open health violation
Found at 1 of 5 providers
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.0024 mg/L (ppm)
12/31/2027
Lead
Detected: 0.537 UG/L (ppb)
9/4/2025
A metal that can leach from old pipes, solder, and fixtures. Current medical guidance holds there is no truly safe level of lead exposure, especially for children and pregnant women.
Copper, Free
Detected: 116 UG/L (ppb)
9/9/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 1.83 MG/L (ppm)
Found at 2 providers
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Chloride
Detected: 3.64 MG/L (ppm)
3/24/2025
Sulfate
Detected: 7.13 MG/L (ppm)
3/24/2025
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 9.2 MG/L (ppm)
3/17/2025
Sodium
Detected: 12.6 MG/L (ppm)
3/17/2025
Calcium
Detected: 11.2 MG/L (ppm)
3/17/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
pH
Detected: 6.94 PH
3/24/2025
A measure of how acidic or basic the water is (7 is neutral). Affects taste and plumbing, not a direct health measure.
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 89 MG/L (ppm)
3/24/2025
Other
Additional substances tested that don't fit neatly into the categories above
Alkalinity, Total
Detected: 89 MG/L (ppm)
3/24/2025
TDS
Detected: 161 MG/L (ppm)
3/24/2025
Perfluorobutanesulfonicacid (PFBS)
Detected: 4 NG/L (ppt)
7/8/2025
Perfluoroctanesulfonicacid (PFOS)
Detected: 5.1 NG/L (ppt)
7/8/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluoroctanoicacid (PFOA)
Detected: 3.8 NG/L (ppt)
7/8/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluorohexanesulfonicacid (PFHxS)
Detected: 1.9 NG/L (ppt)
7/8/2025
Turbidity
Detected: 0.195 NTU
3/24/2025
A measure of water cloudiness from suspended particles.
Filtration considerations: General system types, not a specific product recommendation.