Disinfection byproducts · 2024
NDMA in Charleston, SC tap water
Charleston, SC'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 Oct 2023 | 2.3 ng/L | None set |
Reported level Oct 2020 | 7.7 ng/L | None set |
Reported level May 2019 | 5.1 ng/L | None set |
Reported level Nov 2018 | 3.4 ng/L | None set |
Reported level Feb 2019 | 5.6 ng/L | None set |
Reported level Jan 2024 | 2.2 ng/L | None set |
Reported level Aug 2018 | 7.5 ng/L | None set |
Verbatim from Charleston, SC's 2024 Consumer Confidence Report — source document ↗
How Charleston, SC compares
Nearby systems also reporting NDMA:
People also ask
+Is there NDMA in Charleston, SC tap water?
Yes — Charleston, SC's 2024 Consumer Confidence Report lists NDMA at 7.7 ng/L. Charleston, SC'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 EPA has not set an enforceable federal limit for NDMA. Utilities still report any measured levels in their annual Consumer Confidence Report.
+Where does this NDMA measurement come from?
This page reproduces the NDMA entry from the 2024 Consumer Confidence Report published by the Charleston, SC 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/sc/charleston/2024/source.