PFAS ("forever chemicals") · 2023
PFOA in Ontario Municipal Utilities Company, CA tap water
Ontario Municipal Utilities Company, CA's 2023 Consumer Confidence Report shows PFOA at or above the federal limit (4 ng/L MCL). Measured value is 7.5× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Entry point | 30 ng/L | 4 ng/L MCL |
Verbatim from Ontario Municipal Utilities Company, CA's 2023 Consumer Confidence Report — source document ↗
About PFOA
Perfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products.
Linked to cancer, liver damage, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.
How Ontario Municipal Utilities Company, CA compares
5 of the 115 systems measuring PFOA on The Water Map have it at or above the federal limit:
Nearby systems also reporting PFOA:
People also ask
+Is there PFOA in Ontario Municipal Utilities Company, CA tap water?
Yes — Ontario Municipal Utilities Company, CA's 2023 Consumer Confidence Report lists PFOA at 30 ng/L. Ontario Municipal Utilities Company, CA's 2023 Consumer Confidence Report shows PFOA at or above the federal limit (4 ng/L MCL). Measured value is 7.5× the threshold.
+What's the federal limit for PFOA in drinking water?
The federal MCL for PFOA is 4 ng/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is PFOA?
Perfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. Linked to cancer, liver damage, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.
+Which other U.S. cities have PFOA over the federal limit?
5 of the 115 systems on The Water Map measuring PFOA report it at or above the federal limit. Examples include Columbus, GA, City of Clovis, CA, City of North Miami Beach, FL.
+Where does this PFOA measurement come from?
This page reproduces the PFOA entry from the 2023 Consumer Confidence Report published by the Ontario Municipal Utilities Company, CA water utility — the annual drinking-water report every U.S. utility is required by federal law to publish. The original source document is archived at /water/ca/ontario-municipal-utilities-company/2023/source.