PFAS ("forever chemicals") · 2023
PFOA in Greenfield, WI tap water
Greenfield, WI's 2023 Consumer Confidence Report shows PFOA at or above the federal limit (20 ng/L Public health goal). Measured value is 1.1× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average System-wide | 2.2 ng/L | 20 ng/L Public health goal |
Reported level System-wide | Not detected ug/L | None set |
Range Range or | 2.1–2.2 ng/L | 20 ng/L Public health goal |
Average System-wide | 4.4 ng/L | 20 ng/L Public health goal |
Range Range or | 4.2–4.6 ng/L | 20 ng/L Public health goal |
Verbatim from Greenfield, WI's 2023 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 Greenfield, WI compares
5 of the 331 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 Greenfield, WI tap water?
Yes — Greenfield, WI's 2023 Consumer Confidence Report lists PFOA at 4.4 ng/L. Greenfield, WI's 2023 Consumer Confidence Report shows PFOA at or above the federal limit (20 ng/L Public health goal). Measured value is 1.1× the threshold.
+What's the federal limit for PFOA in drinking water?
The federal Public health goal for PFOA is 20 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 331 systems on The Water Map measuring PFOA report it at or above the federal limit. Examples include Riverside Highland Water Company — Grand Terrace, Ca, CA, Greensboro, NC, Abilene, TX.
+Where does this PFOA measurement come from?
This page reproduces the PFOA entry from the 2023 Consumer Confidence Report published by the Greenfield, WI 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/wi/greenfield/2023/source.