PFAS ("forever chemicals") · 2024
PFOS in Reno, NV tap water
Reno, NV's 2024 Consumer Confidence Report shows PFOS at or above the federal limit (4 ng/L MCL). Measured value is 5.0× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Maximum Value Detected | 20 ng/L | 4 ng/L MCL |
Minimum System-wide | Not detected ng/L | 4 ng/L MCL |
Maximum System-wide | 20 ng/L | 4 ng/L MCL |
Verbatim from Reno, NV'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.
People also ask
+Is there PFOS in Reno, NV tap water?
Yes — Reno, NV's 2024 Consumer Confidence Report lists PFOS at 20 ng/L. Reno, NV's 2024 Consumer Confidence Report shows PFOS at or above the federal limit (4 ng/L MCL). Measured value is 5.0× the threshold.
+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 Reno, NV 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/nv/reno/2024/source.