Metals
Strontium in U.S. tap water
63 public water systems across 7 U.S. states report Strontium in their annual Consumer Confidence Report. None currently sit at or above the federal limit.
Within the federal limit (17)
Frequently asked
+What is Strontium?
Strontium is a contaminant some U.S. public water utilities measure and report in their annual Consumer Confidence Report.
+What is the federal limit for Strontium in drinking water?
The federal NL for Strontium is 1500 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 Strontium over the federal limit?
Zero of the 63 public water systems in The Water Map dataset currently report Strontium at or above its federal limit.
+How can I check if Strontium 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 Strontium.