PFAS ("forever chemicals") · 2024
PFOA in Winston Salem, NC tap water
Winston Salem, NC's 2024 PFOA measurement is below the federal limit of 4 ng/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 0–2.6 ng/L | 4 ng/L MCL |
Average System-wide | 0.83 ng/L | 4 ng/L MCL |
Verbatim from Winston Salem, NC'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 Winston Salem, NC compares
1 of the 5 NC 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 Winston Salem, NC tap water?
Yes — Winston Salem, NC's 2024 Consumer Confidence Report lists PFOA at 0.83 ng/L. Winston Salem, NC's 2024 PFOA measurement is below the federal limit of 4 ng/L (MCL).
+What's the federal limit for PFOA in drinking water?
The federal MCL for PFOA is 4 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?
1 of the 5 NC systems on The Water Map measuring PFOA report it at or above the federal limit. Examples include Fayetteville, NC.
+Where does this PFOA measurement come from?
This page reproduces the PFOA entry from the 2024 Consumer Confidence Report published by the Winston Salem, NC 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/nc/winston-salem/2024/source.