PFAS ("forever chemicals") · 2025

Perfluorohexanoic acid in Rochester, MN tap water

Within the federal limit· 0.0× the limit

Rochester, MN's 2025 Perfluorohexanoic acid measurement is below the federal limit of 200 (MCL).

The measurement

StatisticValue
Range
of Detected Test Results
0–0.89
Maximum
Average Result or Highest Single Test Result
0.89

Verbatim from Rochester, MN's 2025 Consumer Confidence Report — source document ↗

About Perfluorohexanoic acid

Perfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.'

Monitored under EPA rules; persistent and widely detected.

How Rochester, MN compares

5 of the 134 systems measuring Perfluorohexanoic acid on The Water Map have it at or above the federal limit:

Nearby systems also reporting Perfluorohexanoic acid:

People also ask

+Is there Perfluorohexanoic acid in Rochester, MN tap water?

Yes — Rochester, MN's 2025 Consumer Confidence Report lists Perfluorohexanoic acid at 0–0.89. Rochester, MN's 2025 Perfluorohexanoic acid measurement is below the federal limit of 200 (MCL).

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

The federal MCL for Perfluorohexanoic acid is 200 . The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is Perfluorohexanoic acid?

Perfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.' Monitored under EPA rules; persistent and widely detected.

+Which other U.S. cities have Perfluorohexanoic acid over the federal limit?

5 of the 134 systems on The Water Map measuring Perfluorohexanoic acid report it at or above the federal limit. Examples include New Braunfels, TX, Burbank, CA, Pomona, CA.

+Where does this Perfluorohexanoic acid measurement come from?

This page reproduces the Perfluorohexanoic acid entry from the 2025 Consumer Confidence Report published by the Rochester, MN 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/mn/rochester/2025/source.

Full report
All Rochester, MN water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
Perfluorohexanoic acid across the U.S. →
Every public water system measuring Perfluorohexanoic acid, ranked.