PFAS ("forever chemicals") · 2024
PFOA in Charleston, SC tap water
Charleston, SC's 2024 Consumer Confidence Report shows PFOA at or above the federal limit (0.004 ng/L NL). Measured value is 1325.0× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Aug 2018 | 5 ng/L | 0.004 ng/L NL |
Reported level Nov 2021 | 4.7 ng/L | 0.004 ng/L NL |
Reported level Feb 2019 | 4.4 ng/L | 0.004 ng/L NL |
Reported level Jan 2024 | 3.1 ng/L | 0.004 ng/L NL |
Reported level May 2019 | 5.3 ng/L | 0.004 ng/L NL |
Reported level Dec 2018 | 4.1 ng/L | 0.004 ng/L NL |
Reported level Oct 2020 | 4.3 ng/L | 0.004 ng/L NL |
Reported level Oct 2023 | 4.2 ng/L | 0.004 ng/L NL |
Reported level Feb 2022 | 4.5 ng/L | 0.004 ng/L NL |
Verbatim from Charleston, SC's 2024 Consumer Confidence Report — source document ↗
About PFOA
Perfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products.
Linked to cancer, liver damage, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.
How Charleston, SC compares
5 of the 145 systems measuring PFOA on The Water Map have it at or above the federal limit:
Nearby systems also reporting PFOA:
People also ask
+Is there PFOA in Charleston, SC tap water?
Yes — Charleston, SC's 2024 Consumer Confidence Report lists PFOA at 5.3 ng/L. Charleston, SC's 2024 Consumer Confidence Report shows PFOA at or above the federal limit (0.004 ng/L NL). Measured value is 1325.0× the threshold.
+What's the federal limit for PFOA in drinking water?
The federal NL for PFOA is 0.004 ng/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is PFOA?
Perfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. Linked to cancer, liver damage, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.
+Which other U.S. cities have PFOA over the federal limit?
5 of the 145 systems on The Water Map measuring PFOA report it at or above the federal limit. Examples include North Charleston, SC, Saint Paul, MN, Columbus, GA.
+Where does this PFOA measurement come from?
This page reproduces the PFOA 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.