Metals
Antimony in U.S. tap water
81 public water systems across 18 U.S. states report Antimony in their annual Consumer Confidence Report. 2 sit at or above the federal limit.
At or above the federal limit (2)
| Water system | Measured | vs. limit |
|---|---|---|
| Camp Williams-resort Water — Manhattan Beach, Ca, CA 2020 annual report | 6 ug/L | 1.0× the limit |
| Camp Williams-resort Water — Manhattan Beach, Ca, CA 2021 annual report | 6 ug/L | 1.0× the limit |
Within the federal limit (79)
| Water system | Measured |
|---|---|
| City of Baltimore, MD 2024 annual report | 2.87 ug/L |
| Akron, OH 2024 annual report | 1.72 ug/L |
| Baton Rouge, LA 2024 annual report | 1.3 ug/L |
| St George, UT 2024 annual report | 0–1 ug/L |
| Buffalo, NY 2023 annual report | 0.8 ug/L |
| Jersey City, NJ 2024 annual report | 0.000637 mg/L |
| Philadelphia, PA 2023 annual report | 0.0006 mg/L |
| Jacksonville, FL 2024 annual report | 0.53 ug/L |
| City of Hialeah, FL 2023 annual report | 0.07–0.5 ug/L |
| City of North Miami Beach, FL 2023 annual report | 0.07–0.5 ug/L |
| Miami Dade, FL 2023 annual report | 0.07–0.5 ug/L |
| St Louis, MO 2024 annual report | 0.31 ug/L |
| Brown Deer, WI 2023 annual report | 0.17 ug/L |
| Butler, WI 2023 annual report | 0.17 ug/L |
| Franklin, WI 2023 annual report | 0.17 ug/L |
| Greendale, WI 2023 annual report | 0.17 ug/L |
| Greenfield, WI 2023 annual report | 0.17 ug/L |
| Hales Corners, WI 2023 annual report | 0.17 ug/L |
| Menomonee Falls, WI 2023 annual report | 0.17 ug/L |
| Mequon, WI 2023 annual report | 0.17 ug/L |
| Milwaukee, WI 2023 annual report | 0.17 ug/L |
| New Berlin, WI 2023 annual report | 0.17 ug/L |
| Shorewood, WI 2023 annual report | 0.17 ug/L |
| St. Francis, WI 2023 annual report | 0.17 ug/L |
| Thiensville, WI 2023 annual report | 0.17 ug/L |
| Waukesha, WI 2023 annual report | 0.17 ug/L |
| Wauwatosa, WI 2023 annual report | 0.17 ug/L |
| West Allis, WI 2023 annual report | 0.17 ug/L |
| Pembroke Pines, FL 2024 annual report | 0.09 ug/L |
| Reno, NV 2024 annual report | 0.01221 ug/L |
| Hialeah, FL 2023 annual report | 0.005 ug/L |
| West Valley City, UT 2024 annual report | 0.001 ug/L |
| Antelope Valley East Kern Water Agency — Palmdale, Ca, CA 2023 annual report | Not detected ug/L |
| Antelope Valley East Kern Water Agency — Palmdale, Ca, CA 2020 annual report | Not detected ug/L |
| Antelope Valley East Kern Water Agency — Palmdale, Ca, CA 2021 annual report | Not detected ug/L |
| Antelope Valley East Kern Water Agency — Palmdale, Ca, CA 2022 annual report | Not detected ug/L |
| Beverly Hills-city, Water Dept. — Beverly Hills, Ca, CA 2022 annual report | Not detected ug/L |
| Birmingham, AL 2024 annual report | Not detected mg/L |
| Boron Csd — Boron, Ca, CA 2022 annual report | Not detected ug/L |
| City of Hampton, VA 2024 annual report | Not detected ug/L |
| City of Newport News, VA 2025 annual report | Not detected ug/L |
| City of Poquoson, VA 2024 annual report | Not detected ug/L |
| City of Poquoson, VA 2025 annual report | Not detected ug/L |
| Cleveland, OH 2024 annual report | Not detected mg/L |
| Columbus, OH 2025 annual report | Not detected mg/L |
| Covina Irrigating Co. — West Covina, Ca, CA 2023 annual report | Not detected ug/L |
| Covina Irrigating Co. — West Covina, Ca, CA 2020 annual report | Not detected ug/L |
| Covina Irrigating Co. — West Covina, Ca, CA 2021 annual report | Not detected ug/L |
| Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA 2023 annual report | Not detected ug/L |
| Garland, TX 2024 annual report | 0–0 ug/L |
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Frequently asked
+What is Antimony?
Antimony is a contaminant some U.S. public water utilities measure and report in their annual Consumer Confidence Report.
+What is the federal limit for Antimony in drinking water?
The federal MCL for Antimony is 0.006 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 Antimony over the federal limit?
2 of the 81 public water systems on The Water Map report Antimony at or above its federal limit, spanning 18 U.S. states. The full list is on this page.
+How can I check if Antimony 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 Antimony.