VOCs & pesticides · 2025
Xylenes in Phoenix, AZ tap water
Phoenix, AZ's 2025 Xylenes measurement is below the federal limit of 10 mg/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Sample Results | 0–0.0025 mg/L | 10 mg/L MCL |
Average Annual Average | 0.0025 mg/L | 10 mg/L MCL |
Verbatim from Phoenix, AZ's 2025 Consumer Confidence Report — source document ↗
About Xylenes
A group of industrial solvents found in gasoline and paint.
Long-term exposure above the federal limit can damage the nervous system.
How Phoenix, AZ compares
Nearby systems also reporting Xylenes:
People also ask
+Is there Xylenes in Phoenix, AZ tap water?
Yes — Phoenix, AZ's 2025 Consumer Confidence Report lists Xylenes at 0.0025 mg/L. Phoenix, AZ's 2025 Xylenes measurement is below the federal limit of 10 mg/L (MCL).
+What's the federal limit for Xylenes in drinking water?
The federal MCL for Xylenes is 10 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Xylenes?
A group of industrial solvents found in gasoline and paint. Long-term exposure above the federal limit can damage the nervous system.
+Where does this Xylenes measurement come from?
This page reproduces the Xylenes entry from the 2025 Consumer Confidence Report published by the Phoenix, 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/phoenix/2025/source.