Disinfection byproducts · 2024
NDMA in Long Beach, CA tap water
Long Beach, CA's 2024 report shows NDMA detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level MWD Zone (114) Ds | 2.9 ng/L | 3 ng/L Public health goal |
Range MWD Zone (114) | 0–3 ng/L | 3 ng/L Public health goal |
Reported level Blended Zone (325) Ds | 7.4 ng/L | 3 ng/L Public health goal |
Verbatim from Long Beach, CA's 2024 Consumer Confidence Report — source document ↗
How Long Beach, CA compares
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People also ask
+Is there NDMA in Long Beach, CA tap water?
Yes — Long Beach, CA's 2024 Consumer Confidence Report lists NDMA at 7.4 ng/L. Long Beach, CA's 2024 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 Public health goal for NDMA 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 NDMA measurement come from?
This page reproduces the NDMA entry from the 2024 Consumer Confidence Report published by the Long Beach, 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/long-beach/2024/source.