Disinfection byproducts · 2023
NDMA in San Diego, CA tap water
San Diego, CA's 2023 NDMA measurement is below the federal limit of 10 ng/L (NL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Purchased Treated Water | 0–2.5 ng/L | 10 ng/L NL |
Average Purchased Treated Water | 1.3 ng/L | 10 ng/L NL |
Verbatim from San Diego, CA's 2023 Consumer Confidence Report — source document ↗
How San Diego, CA compares
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People also ask
+Is there NDMA in San Diego, CA tap water?
Yes — San Diego, CA's 2023 Consumer Confidence Report lists NDMA at 1.3 ng/L. San Diego, CA's 2023 NDMA measurement is below the federal limit of 10 ng/L (NL).
+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 San Diego, 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/san-diego/2023/source.