Disinfection byproducts · 2024

NDMA in Charleston, SC tap water

Detected — no federal limit

Charleston, SC's 2024 report shows NDMA detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Reported level
Oct 2023
2.3 ng/L
Reported level
Oct 2020
7.7 ng/L
Reported level
May 2019
5.1 ng/L
Reported level
Nov 2018
3.4 ng/L
Reported level
Feb 2019
5.6 ng/L
Reported level
Jan 2024
2.2 ng/L
Reported level
Aug 2018
7.5 ng/L

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.

Full report
All Charleston, SC water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
NDMA across the U.S. →
Every public water system measuring NDMA, ranked.