Yes — Tempe, AZ's 2024 Consumer Confidence Report lists Perfluoroheptanoic acid at 0.001 ug/L. Tempe, AZ's 2024 Perfluoroheptanoic acid measurement is below the federal limit of 0.003 ug/L (MCL).

+What's the federal limit for Perfluoroheptanoic acid in drinking water?

The federal MCL for Perfluoroheptanoic acid is 0.003 ug/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?

3 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, Pomona, CA.

+Where does this Perfluoroheptanoic acid measurement come from?

This page reproduces the Perfluoroheptanoic acid entry from the 2024 Consumer Confidence Report published by the Tempe, AZ 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/az/tempe/2024/source.

Full report

All Tempe, AZ water-quality data →

Every contaminant measured in the 2024 report.

Contaminant pillar

Perfluoroheptanoic acid across the U.S. →

Every public water system measuring Perfluoroheptanoic acid, ranked.