PFAS ("forever chemicals") · 2024
Perfluoroheptanoic acid in Pomona, CA tap water
Pomona, CA's 2024 Consumer Confidence Report shows Perfluoroheptanoic acid at or above the federal limit (2 ng/L MCL). Measured value is 2.5× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Miramar Effluent | Not detected ng/L | 2 ng/L MCL |
Reported level Miragrand Well | 0–3.1 ng/L | 2 ng/L MCL |
Reported level Miramar Groundwater Grand Well | Not detected ng/L | 2 ng/L MCL |
Reported level Weymouth Effluent | Not detected ng/L | 2 ng/L MCL |
Range Pomona Groundwater | 5 ng/L | 2 ng/L MCL |
Reported level Miramar Groundwater Well #2 | Not detected ng/L | 2 ng/L MCL |
Reported level Miramar Groundwater Well #1 | Not detected ng/L | 2 ng/L MCL |
Verbatim from Pomona, CA's 2024 Consumer Confidence Report — source document ↗
About Perfluoroheptanoic acid
Perfluoroheptanoic acid, a PFAS 'forever chemical.'
Monitored under EPA rules; persistent in the environment.
How Pomona, CA compares
2 of the 59 systems measuring Perfluoroheptanoic acid on The Water Map have it at or above the federal limit:
Nearby systems also reporting Perfluoroheptanoic acid:
People also ask
+Is there Perfluoroheptanoic acid in Pomona, CA tap water?
Yes — Pomona, CA's 2024 Consumer Confidence Report lists Perfluoroheptanoic acid at 5 ng/L. Pomona, CA's 2024 Consumer Confidence Report shows Perfluoroheptanoic acid at or above the federal limit (2 ng/L MCL). Measured value is 2.5× the threshold.
+What's the federal limit for Perfluoroheptanoic acid in drinking water?
The federal MCL for Perfluoroheptanoic acid is 2 ng/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Perfluoroheptanoic acid?
Perfluoroheptanoic acid, a PFAS 'forever chemical.' Monitored under EPA rules; persistent in the environment.
+Which other U.S. cities have Perfluoroheptanoic acid over the federal limit?
2 of the 59 systems on The Water Map measuring Perfluoroheptanoic acid report it at or above the federal limit. Examples include Burbank, CA, Boonsboro Keedysville, MD.
+Where does this Perfluoroheptanoic acid measurement come from?
This page reproduces the Perfluoroheptanoic 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.