Other
Chlordane in U.S. tap water
26 public water systems across 5 U.S. states report Chlordane in their annual Consumer Confidence Report. None currently sit at or above the federal limit.
Within the federal limit (26)
Chlordane by state
Every state where a public water system reports Chlordane in its annual report, ranked by systems at or above the federal limit.
Frequently asked
+What is Chlordane?
Chlordane is a contaminant some U.S. public water utilities measure and report in their annual Consumer Confidence Report.
+What is the federal limit for Chlordane in drinking water?
The federal MCLG for Chlordane is 0 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 Chlordane over the federal limit?
Zero of the 26 public water systems in The Water Map dataset currently report Chlordane at or above its federal limit.
+Which states report the most Chlordane in their drinking water?
No state currently has a system reporting Chlordane at or above its federal limit in The Water Map dataset. California, Texas, Alabama have the most systems measuring it.
+How can I check if Chlordane 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 Chlordane.