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Oxamyl in U.S. tap water
25 public water systems across 6 U.S. states report Oxamyl in their annual Consumer Confidence Report. None currently sit at or above the federal limit.
Within the federal limit (25)
Oxamyl by state
Every state where a public water system reports Oxamyl in its annual report, ranked by systems at or above the federal limit.
Frequently asked
+What is Oxamyl?
Oxamyl is a contaminant some U.S. public water utilities measure and report in their annual Consumer Confidence Report.
+What is the federal limit for Oxamyl in drinking water?
The federal MCL for Oxamyl is 0.2 mg/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 Oxamyl over the federal limit?
Zero of the 25 public water systems in The Water Map dataset currently report Oxamyl at or above its federal limit.
+Which states report the most Oxamyl in their drinking water?
No state currently has a system reporting Oxamyl 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 Oxamyl 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 Oxamyl.