VOCs & pesticides
Xylenes in U.S. tap water
35 public water systems across 8 U.S. states report Xylenes in their annual Consumer Confidence Report. None currently sit at or above the federal limit.
What it is
A group of industrial solvents found in gasoline and paint.
Why it's regulated
Long-term exposure above the federal limit can damage the nervous system.
Approaching the limit (1)
| Water system | Measured | vs. limit |
|---|---|---|
| Pearland, TX 2024 annual report | 9.1 mg/L | 0.9× the limit |
Within the federal limit (34)
Frequently asked
+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.
+What is the federal limit for Xylenes in drinking water?
The federal MCL for Xylenes is 10000 ug/L. The EPA enforces this against the regulated reporting statistic (typically a running annual average or 90th percentile), not a single-sample spike.
+How many U.S. water systems have Xylenes over the federal limit?
Zero of the 35 public water systems in The Water Map dataset currently report Xylenes at or above its federal limit.
+How can I check if Xylenes is in my city's tap water?
Search your city on The Water Map (https://www.thewatermap.com/) or browse the list on this page. Every U.S. public water utility is required to publish an annual Consumer Confidence Report that lists every contaminant it measured, including Xylenes.