Disinfection byproducts · 2023
NDMA in Western MWD — Riverside, Ca, CA tap water
Western MWD — Riverside, Ca, CA's 2023 report shows NDMA detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Riverside Service Area Surface Water | Not detected ng/L | 10 ng/L NL |
Average Murrieta Service Area Surface Water | 2.5 ng/L | 10 ng/L NL |
Average Riverside Service Area Local Groundwater | Not detected ng/L | 10 ng/L NL |
Average Rainbow Service Area Surface Water | 2.5 ng/L | 10 ng/L NL |
Verbatim from Western MWD — Riverside, Ca, CA's 2023 Consumer Confidence Report — source document ↗
How Western MWD — Riverside, Ca, CA compares
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People also ask
+Is there NDMA in Western MWD — Riverside, Ca, CA tap water?
Yes — Western MWD — Riverside, Ca, CA's 2023 Consumer Confidence Report lists NDMA at 2.5 ng/L. Western MWD — Riverside, Ca, CA's 2023 report shows NDMA detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for NDMA in drinking water?
The federal NL for NDMA is 10 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 NDMA measurement come from?
This page reproduces the NDMA entry from the 2023 Consumer Confidence Report published by the Western MWD — Riverside, 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/western-mwd-riverside-ca/2023/source.