Metals
Cadmium in U.S. tap water
24 public water systems across 9 U.S. states report Cadmium in their annual Consumer Confidence Report. 1 sit at or above the federal limit.
At or above the federal limit (1)
| Water system | Measured | vs. limit |
|---|---|---|
| Columbus, OH 2025 annual report | 2025 mg/L | 405000.0× the limit |
Approaching the limit (2)
| Water system | Measured | vs. limit |
|---|---|---|
| Broad Creek, MD 2024 annual report | 0–4 ug/L | 0.8× the limit |
| Crofton Odenton, MD 2024 annual report | 0–4 ug/L | 0.8× the limit |
Within the federal limit (21)
| Water system | Measured |
|---|---|
| Chandler, AZ 2024 annual report | 0–0.15 ug/L |
| Birmingham, AL 2024 annual report | Not detected |
| 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 2025 annual report | Not detected ug/L |
| City of Poquoson, VA 2024 annual report | Not detected ug/L |
| Cleveland, OH 2024 annual report | Not detected |
| Hampton, VA 2025 annual report | Not detected ug/L |
| High Point, NC 2024 annual report | Not detected ug/L |
| James City County, VA 2025 annual report | Not detected ug/L |
| James City County, VA 2024 annual report | Not detected ug/L |
| Mesquite, TX 2024 annual report | 0–0 ug/L |
| Mobile, AL 2024 annual report | Not detected |
| Montgomery, AL 2024 annual report | Not detected |
| Nashville, TN 2023 annual report | Not detected |
| Newport News, VA 2024 annual report | Not detected ug/L |
| Plano, TX 2024 annual report | 0–0 ug/L |
| West Jordan, UT 2024 annual report | Not detected ug/L |
| West Valley City, UT 2024 annual report | Not detected ug/L |
| York County, VA 2024 annual report | Not detected ug/L |
| York County, VA 2025 annual report | Not detected ug/L |
Frequently asked
+What is Cadmium?
Cadmium is a contaminant some U.S. public water utilities measure and report in their annual Consumer Confidence Report.
+What is the federal limit for Cadmium in drinking water?
The federal MCL for Cadmium is 0.005 . 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 Cadmium over the federal limit?
1 of the 24 public water systems on The Water Map report Cadmium at or above its federal limit, spanning 9 U.S. states. The full list is on this page.
+How can I check if Cadmium 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 Cadmium.