PFAS ("forever chemicals") · 2024
Perfluoropentanoic acid in Pomona, CA tap water
Pomona, CA's 2024 Consumer Confidence Report shows Perfluoropentanoic acid at or above the federal limit (3 ng/L MCL). Measured value is 1.8× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Miragrand Well | 0–5.5 ng/L | 3 ng/L MCL |
Reported level Miramar Groundwater Well #2 | Not detected ng/L | 3 ng/L MCL |
Range Pomona Groundwater | 5 ng/L | 3 ng/L MCL |
Reported level Miramar Groundwater Well #1 | Not detected ng/L | 3 ng/L MCL |
Range Pomona Effluent | 0–3.33 ng/L | 3 ng/L MCL |
Reported level Weymouth Effluent | Not detected ng/L | 3 ng/L MCL |
Reported level Miramar Groundwater Grand Well | Not detected ng/L | 3 ng/L MCL |
Reported level Miramar Effluent | Not detected ng/L | 3 ng/L MCL |
Verbatim from Pomona, CA's 2024 Consumer Confidence Report — source document ↗
About Perfluoropentanoic acid
Perfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.'
Monitored under EPA rules; persistent in the environment.
How Pomona, CA compares
5 of the 123 systems measuring Perfluoropentanoic acid on The Water Map have it at or above the federal limit:
Nearby systems also reporting Perfluoropentanoic acid:
People also ask
+Is there Perfluoropentanoic acid in Pomona, CA tap water?
Yes — Pomona, CA's 2024 Consumer Confidence Report lists Perfluoropentanoic acid at 0–5.5 ng/L. Pomona, CA's 2024 Consumer Confidence Report shows Perfluoropentanoic acid at or above the federal limit (3 ng/L MCL). Measured value is 1.8× the threshold.
+What's the federal limit for Perfluoropentanoic acid in drinking water?
The federal MCL for Perfluoropentanoic acid is 3 ng/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Perfluoropentanoic acid?
Perfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.' Monitored under EPA rules; persistent in the environment.
+Which other U.S. cities have Perfluoropentanoic acid over the federal limit?
5 of the 123 systems on The Water Map measuring Perfluoropentanoic acid report it at or above the federal limit. Examples include New Braunfels, TX, Burbank, CA, Tampa, FL.
+Where does this Perfluoropentanoic acid measurement come from?
This page reproduces the Perfluoropentanoic acid entry from the 2024 Consumer Confidence Report published by the Pomona, CA 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/ca/pomona/2024/source.