Other
Dcaa in U.S. tap water
6 public water systems across 2 U.S. states report Dcaa in their annual Consumer Confidence Report. None currently sit at or above the federal limit.
Frequently asked
+What is Dcaa?
Dcaa is a contaminant some U.S. public water utilities measure and report in their annual Consumer Confidence Report.
+What is the federal limit for Dcaa in drinking water?
The federal Public health goal for Dcaa is 0.2 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 Dcaa over the federal limit?
Zero of the 6 public water systems in The Water Map dataset currently report Dcaa at or above its federal limit.
+How can I check if Dcaa 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 Dcaa.