VOCs & pesticides
Chloroethane in U.S. tap water
3 public water systems across 3 U.S. states report Chloroethane in their annual Consumer Confidence Report. None currently sit at or above the federal limit.
What it is
A volatile organic compound used in some industrial processes.
Why it's regulated
Monitored under EPA rules; without its own enforceable national limit.
Within the federal limit (3)
| Water system | Measured |
|---|---|
| Beantown Woodley, MD 2024 annual report | 0.85 ug/L |
| Cleveland, OH 2024 annual report | Not detected |
| Nashville, TN 2023 annual report | Not detected |
Frequently asked
+What is Chloroethane?
A volatile organic compound used in some industrial processes. Monitored under EPA rules; without its own enforceable national limit.
+What is the federal limit for Chloroethane in drinking water?
The federal MCLG for Chloroethane is 3 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 Chloroethane over the federal limit?
Zero of the 3 public water systems in The Water Map dataset currently report Chloroethane at or above its federal limit.
+How can I check if Chloroethane 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 Chloroethane.