CERES is served by 1 water provider on file with the EPA.
Data current as of July 2026
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Results for CERES, CA
1 water provider on file serving this city.
Quick answer: CERES'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.
Lead Summary
PFHXS
Lithium
PFBS
PFHXA
PFOA
PFOS
PFPEA
PFHPA
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromodichloromethane
Dibromochloromethane
Bromoform
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
TDS
Nitrate
Violations on file
Lead And Copper Rule Revisions
Currently open health violation
Found at 1 of 1 provider
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2023
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 6.9 UG/L (ppb)
7/8/2025
TTHM
Detected: 39.1 UG/L (ppb)
10/6/2025
A group of disinfection byproducts formed when chlorine reacts with organic matter. Long-term exposure above the legal limit has been linked to increased cancer risk in some studies.
Chloroform
Detected: 32.7 UG/L (ppb)
10/6/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 5.62 UG/L (ppb)
10/6/2025
Dibromochloromethane
Detected: 3.02 UG/L (ppb)
10/6/2025
Bromoform
Detected: 7.74 UG/L (ppb)
10/6/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 7.7 MG/L (ppm)
9/9/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
PFHXS
Detected: 0.0048 µg/L (ppb)
4/30/2025
Lithium
Detected: 12.9 µg/L (ppb)
4/30/2025
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
PFBS
Detected: 0.0066 µg/L (ppb)
4/30/2025
PFHXA
Detected: 0.0074 µg/L (ppb)
4/30/2025
PFOA
Detected: 0.012 µg/L (ppb)
4/30/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFOS
Detected: 0.024 µg/L (ppb)
4/30/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFPEA
Detected: 0.0084 µg/L (ppb)
4/30/2025
PFHPA
Detected: 0.0047 µg/L (ppb)
4/30/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 4.2 UG/L (ppb)
7/8/2025
Trichloroaceticacid
Detected: 2.7 UG/L (ppb)
7/8/2025
Dibromoaceticacid
Detected: 1.3 UG/L (ppb)
7/8/2025
TDS
Detected: 381 MG/L (ppm)
1/15/2025
Filtration considerations: General system types, not a specific product recommendation.