PFAS ("forever chemicals") · 2024
PFOS in Louisville, KY tap water
Louisville, KY's 2024 Consumer Confidence Report tested for PFOS and reported no detectable amount.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Crescent Hill Water Treatment Plant | 0 ng/L | 4 ng/L MCL |
Reported level B.E. Payne Water Treatment Plant | 0 ng/L | 4 ng/L MCL |
Verbatim from Louisville, KY's 2024 Consumer Confidence Report — source document ↗
About PFOS
Perfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings.
Linked to cancer, thyroid disease, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.
How Louisville, KY compares
Nearby systems also reporting PFOS:
People also ask
+Is there PFOS in Louisville, KY tap water?
Louisville, KY's 2024 Consumer Confidence Report tested for PFOS and found no detectable amount.
+What's the federal limit for PFOS in drinking water?
The federal MCL for PFOS 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 PFOS?
Perfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. Linked to cancer, thyroid disease, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.
+Where does this PFOS measurement come from?
This page reproduces the PFOS entry from the 2024 Consumer Confidence Report published by the Louisville, KY 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/ky/louisville/2024/source.