PFAS ("forever chemicals") · 2024
PFOS in Tallahassee, FL tap water
Tallahassee, FL's 2024 PFOS measurement is below the federal limit of 4 ng/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average System-wide | 0 ng/L | 4 ng/L MCL |
Range System-wide | 0–7.9 ng/L | 4 ng/L MCL |
Verbatim from Tallahassee, FL'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 Tallahassee, FL compares
2 of the 4 FL systems measuring PFOS on The Water Map have it at or above the federal limit:
Nearby systems also reporting PFOS:
People also ask
+Is there PFOS in Tallahassee, FL tap water?
Yes — Tallahassee, FL's 2024 Consumer Confidence Report lists PFOS at 0 ng/L. Tallahassee, FL's 2024 PFOS measurement is below the federal limit of 4 ng/L (MCL).
+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.
+Which other U.S. cities have PFOS over the federal limit?
2 of the 4 FL systems on The Water Map measuring PFOS report it at or above the federal limit. Examples include Hialeah, FL, Boca Raton, FL.
+Where does this PFOS measurement come from?
This page reproduces the PFOS entry from the 2024 Consumer Confidence Report published by the Tallahassee, FL 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/fl/tallahassee/2024/source.