PFAS ("forever chemicals") · 2024
PFOA in Boulder, CO tap water
Boulder, CO's 2024 Consumer Confidence Report shows PFOA at or above the federal limit (5.1 ng/L NL). Measured value is 2.4× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level System-wide | 9.4 ng/L | 5.1 ng/L NL |
Reported level National City Well 3 | Not detected ng/L | 4 ng/L MCL |
Reported level SD Formation Wells 1 - 11 | 0–7.5 ng/L | 4 ng/L MCL |
Reported level Treated¹ Sweetwater Authority Drinking Water | 0–9.4 ng/L | 4 ng/L MCL |
Reported level National City Well 2 | Not detected ng/L | 4 ng/L MCL |
Reported level National City Well 4 | Not detected ng/L | 4 ng/L MCL |
Reported level SD Formation Wells 1 - 11 | Not detected ng/L | 4 ng/L MCL |
Reported level Lake Skinner Outlet (Aqueduct) | Not detected ng/L | 4 ng/L MCL |
Reported level Treated¹ Sweetwater Authority Drinking Water | Not detected ng/L | 4 ng/L MCL |
Verbatim from Boulder, CO'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 Boulder, CO compares
1 of the 2 CO 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 Boulder, CO tap water?
Yes — Boulder, CO's 2024 Consumer Confidence Report lists PFOA at 9.4 ng/L. Boulder, CO's 2024 Consumer Confidence Report shows PFOA at or above the federal limit (5.1 ng/L NL). Measured value is 2.4× the threshold.
+What's the federal limit for PFOA in drinking water?
The federal NL for PFOA is 5.1 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 2 CO systems on The Water Map measuring PFOA report it at or above the federal limit. Examples include Centennial, CO.
+Where does this PFOA measurement come from?
This page reproduces the PFOA entry from the 2024 Consumer Confidence Report published by the Boulder, CO 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/co/boulder/2024/source.