TEHACHAPI is served by 2 water providers on file with the EPA.
Data current as of July 2026
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Results for TEHACHAPI, CA
2 water providers on file serving this city.
Quick answer: TEHACHAPI'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
TTHM
Bromoform
Dibromochloromethane
Chloroform
Bromodichloromethane
Nitrate
Perfluorobutanesulfonicacid (PFBS)
Perfluoroheptanoicacid (PFHPA)
Perfluorohexanesulfonicacid (PFHxS)
Perfluoroctanesulfonicacid (PFOS)
Perfluoroctanoicacid (PFOA)
Perfluorohexanoicacid (PFHXA)
Perfluorobutanoicacid (PFBA)
Perfluoropentanoicacid (PFPEA)
Nitrate-Nitrite
Violations on file
Lead And Copper Rule Revisions
Currently open health violation
Found at 1 of 2 providers
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
TTHM
Detected: 1.1 UG/L (ppb)
9/3/2025
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.
Bromoform
Detected: 0.5 UG/L (ppb)
9/3/2025
Dibromochloromethane
Detected: 0.59 UG/L (ppb)
9/3/2025
Chloroform
Detected: 0.69 UG/L (ppb)
9/3/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 1.6 UG/L (ppb)
9/3/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 6.9 MG/L (ppm)
11/3/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
Nitrate-Nitrite
Detected: 0.11 MG/L (ppm)
8/13/2025
Other
Additional substances tested that don't fit neatly into the categories above
Perfluorobutanesulfonicacid (PFBS)
Detected: 3 NG/L (ppt)
7/29/2025
Perfluoroheptanoicacid (PFHPA)
Detected: 2.5 NG/L (ppt)
7/29/2025
Perfluorohexanesulfonicacid (PFHxS)
Detected: 2.3 NG/L (ppt)
7/29/2025
Perfluoroctanesulfonicacid (PFOS)
Detected: 3.3 NG/L (ppt)
7/29/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluoroctanoicacid (PFOA)
Detected: 8.4 NG/L (ppt)
7/29/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluorohexanoicacid (PFHXA)
Detected: 5 NG/L (ppt)
7/29/2025
Perfluorobutanoicacid (PFBA)
Detected: 2.2 NG/L (ppt)
7/29/2025
Perfluoropentanoicacid (PFPEA)
Detected: 8.7 NG/L (ppt)
7/29/2025
Filtration considerations: General system types, not a specific product recommendation.