VOCs & pesticides
Dichlorodifluoromethane in U.S. tap water
3 public water systems across 2 U.S. states report Dichlorodifluoromethane in their annual Consumer Confidence Report. None currently sit at or above the federal limit.
Within the federal limit (2)
| Water system | Measured |
|---|---|
| Cleveland, OH 2024 annual report | Not detected |
| Stockton, CA 2024 annual report | Not detected ug/L |
Frequently asked
+What is Dichlorodifluoromethane?
Dichlorodifluoromethane is a contaminant some U.S. public water utilities measure and report in their annual Consumer Confidence Report.
+What is the federal limit for Dichlorodifluoromethane in drinking water?
The federal NL for Dichlorodifluoromethane is 1000 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 Dichlorodifluoromethane over the federal limit?
Zero of the 3 public water systems in The Water Map dataset currently report Dichlorodifluoromethane at or above its federal limit.
+How can I check if Dichlorodifluoromethane 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 Dichlorodifluoromethane.