PFAS ("forever chemicals") · 2023
PFOA in West Valley Water District — Rialto, Ca, CA tap water
West Valley Water District — Rialto, Ca, CA's 2023 Consumer Confidence Report shows PFOA at or above the federal limit (5.1 ng/L NL). Measured value is 1.3× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Baseline Feeder | 0–5.1 ng/L | None set |
Reported level Fluidized Bed Reactors (FBR) | 2.1–3.3 ng/L | 5.1 ng/L NL |
Reported level Ion Exchange Perchlorate Treatment | 0–5.3 ng/L | 5.1 ng/L NL |
Reported level Wells | 0–2.5 ng/L | 5.1 ng/L NL |
Verbatim from West Valley Water District — Rialto, Ca, 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 West Valley Water District — Rialto, Ca, CA compares
5 of the 331 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 West Valley Water District — Rialto, Ca, CA tap water?
Yes — West Valley Water District — Rialto, Ca, CA's 2023 Consumer Confidence Report lists PFOA at 0–5.3 ng/L. West Valley Water District — Rialto, Ca, CA's 2023 Consumer Confidence Report shows PFOA at or above the federal limit (5.1 ng/L NL). Measured value is 1.3× the threshold.
+What's the federal limit for PFOA in drinking water?
The federal NL for PFOA is 5.1 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 331 systems on The Water Map measuring PFOA report it at or above the federal limit. Examples include Riverside Highland Water Company — Grand Terrace, Ca, CA, Greensboro, NC, Abilene, TX.
+Where does this PFOA measurement come from?
This page reproduces the PFOA entry from the 2023 Consumer Confidence Report published by the West Valley Water District — Rialto, Ca, 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/west-valley-water-district-rialto-ca/2023/source.