PFAS ("forever chemicals") · 2024
PFAS in Santa Ana, CA tap water
Santa Ana, CA's 2024 report shows PFAS detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 0–9.5 ng/L | 3 ng/L NL |
Range System-wide | 0–3 ng/L | 500 ng/L NL |
Average Average Amount | Not detected ng/L | None set |
Average Average Amount | Not detected ng/L | 6.5 ng/L NL |
Range System-wide | 0–3.7 ng/L | None set |
Range System-wide | 0–6.3 ng/L | None set |
Average Average Amount | Not detected ng/L | None set |
Range System-wide | 0–4.1 ng/L | None set |
Range System-wide | 0–5 ng/L | None set |
Range System-wide | 0–8.7 ng/L | 5.1 ng/L NL |
Range System-wide | 0–18 ng/L | 6.5 ng/L NL |
Average Average Amount | Not detected ng/L | 5.1 ng/L NL |
Average Average Amount | Not detected ng/L | 500 ng/L NL |
Average Average Amount | 2.4 ng/L | 5.1 ng/L NL |
Average Average Amount | 3.8 ng/L | 6.5 ng/L NL |
Average Average Amount | Not detected ng/L | None set |
Range System-wide | 0–7.5 ng/L | 5.1 ng/L NL |
Range System-wide | 0–13 ng/L | 6.5 ng/L NL |
Range System-wide | 0–7.3 ng/L | 3 ng/L NL |
Range System-wide | 0–3.5 ng/L | None set |
Average Average Amount | Not detected ng/L | None set |
Average Average Amount | Not detected ng/L | None set |
Average Average Amount | 2.7 ng/L | 3 ng/L NL |
Average Average Amount | Not detected ng/L | 3 ng/L NL |
Verbatim from Santa Ana, CA's 2024 Consumer Confidence Report — source document ↗
How Santa Ana, CA compares
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People also ask
+Is there PFAS in Santa Ana, CA tap water?
Yes — Santa Ana, CA's 2024 Consumer Confidence Report lists PFAS at 3.8 ng/L. Santa Ana, CA's 2024 report shows PFAS detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for PFAS in drinking water?
The federal NL for PFAS is 3 ng/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+Where does this PFAS measurement come from?
This page reproduces the PFAS entry from the 2024 Consumer Confidence Report published by the Santa Ana, 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/santa-ana/2024/source.