Inorganic chemicals · 2025
Sulfate in Rochester, MN tap water
Rochester, MN's 2025 Sulfate measurement is below the federal limit of 500 (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Maximum Average Result or Highest Single Test Result | 31.8 | 500 MCL |
Range of Detected Test Results | 14.3–31.8 | 500 MCL |
Verbatim from Rochester, MN's 2025 Consumer Confidence Report — source document ↗
About Sulfate
A naturally occurring mineral from rock and soil.
No health-based federal limit; high levels can have a laxative effect and a bitter taste.
How Rochester, MN compares
3 of the 153 systems measuring Sulfate on The Water Map have it at or above the federal limit:
Nearby systems also reporting Sulfate:
People also ask
+Is there Sulfate in Rochester, MN tap water?
Yes — Rochester, MN's 2025 Consumer Confidence Report lists Sulfate at 31.8. Rochester, MN's 2025 Sulfate measurement is below the federal limit of 500 (MCL).
+What's the federal limit for Sulfate in drinking water?
The federal MCL for Sulfate is 500 . The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Sulfate?
A naturally occurring mineral from rock and soil. No health-based federal limit; high levels can have a laxative effect and a bitter taste.
+Which other U.S. cities have Sulfate over the federal limit?
3 of the 153 systems on The Water Map measuring Sulfate report it at or above the federal limit. Examples include Lakewood, CO, Santa Rosa, CA, Ventura, CA.
+Where does this Sulfate measurement come from?
This page reproduces the Sulfate 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.