Metals
Sodium in U.S. tap water
219 public water systems across 38 U.S. states report Sodium in their annual Consumer Confidence Report. 9 sit at or above the federal limit.
What it is
A naturally occurring salt component.
Why it's regulated
Not federally regulated for health; relevant for people on sodium-restricted diets.
At or above the federal limit (9)
| Water system | Measured | vs. limit |
|---|---|---|
| San Diego, CA 2023 annual report | 109 mg/L | 109.0× the limit |
| Pomona, CA 2024 annual report | 93–105 mg/L | 105.0× the limit |
| Burbank, CA 2024 annual report | 34–46 mg/L | 46.0× the limit |
| Hollywood, FL 2024 annual report | 2024 mg/L | 12.7× the limit |
| Cambridge, MA 2024 annual report | 88.1 mg/L | 4.4× the limit |
| Lynn, MA 2024 annual report | 76 mg/L | 3.8× the limit |
| Lakewood, NJ 2025 annual report | 69.9 mg/L | 1.4× the limit |
| Saint Paul, MN 2024 annual report | 26.6 | 1.3× the limit |
| Vancouver, WA 2024 annual report | 29 mg/L | 1.0× the limit |
Approaching the limit (1)
| Water system | Measured | vs. limit |
|---|---|---|
| Minneapolis, MN 2023 annual report | 18.7 | 0.9× the limit |
Within the federal limit (36)
| Water system | Measured |
|---|---|
| Jacksonville, FL 2024 annual report | 8.18–126.43 mg/L |
| Fort Myers, FL 2024 annual report | 126 mg/L |
| Elizabeth, NJ 2024 annual report | 39 mg/L |
| Manchester, NH 2024 annual report | 41.9–63.3 mg/L |
| Port St Lucie, FL 2024 annual report | 93.2 mg/L |
| Salem, OR 2023 annual report | 11.3 mg/L |
| Bend, OR 2025 annual report | 11 |
| Overland Park, KS 2023 annual report | 54 |
| Cape Coral, FL 2024 annual report | 86 mg/L |
| St Petersburg, FL 2024 annual report | 8.99–78.5 mg/L |
| Palm Bay, FL 2024 annual report | 76 mg/L |
| Rochester, MN 2025 annual report | 8.77 |
| Palm Coast, FL 2024 annual report | 20–69 mg/L |
| Hartford, CT 2024 annual report | 10.1 mg/L |
| Stamford, CT 2024 annual report | 33 mg/L |
| Boca Raton, FL 2024 annual report | 49.4 mg/L |
| Tampa, FL 2024 annual report | 46 mg/L |
| Jackson, MS 2024 annual report | 3.8–4.4 mg/L |
| City of Hialeah, FL 2023 annual report | 33–33 mg/L |
| City of Homestead, FL 2023 annual report | 33–33 mg/L |
| City of North Miami Beach, FL 2023 annual report | 33–33 mg/L |
| Miami Dade, FL 2023 annual report | 33–33 mg/L |
| Bridgeport, CT 2024 annual report | 20 mg/L |
| Coral Springs, FL 2024 annual report | 29.5 mg/L |
| Miramar, FL 2024 annual report | 24.3–28.8 mg/L |
| Fort Lauderdale, FL 2024 annual report | 22.8–28.2 mg/L |
| City of Lighthouse Point, FL 2024 annual report | 26.7 mg/L |
| Pompano Beach, FL 2024 annual report | 26.7 mg/L |
| Town of Lauderdale-by-the-sea, FL 2024 annual report | 26.7 mg/L |
| Omaha, NE 2024 annual report | 26–83 mg/L |
| West Palm Beach, FL 2024 annual report | 24.9 mg/L |
| Gainesville, FL 2024 annual report | 21.1 mg/L |
| Pembroke Pines, FL 2024 annual report | 16.4 mg/L |
| Orlando, FL 2024 annual report | 12.6 mg/L |
| Lakeland, FL 2024 annual report | 5.22–9.87 mg/L |
| Tallahassee, FL 2024 annual report | 4.21 mg/L |
Frequently asked
+What is Sodium?
A naturally occurring salt component. Not federally regulated for health; relevant for people on sodium-restricted diets.
+What is the federal limit for Sodium in drinking water?
The federal MCLG for Sodium is 20 . 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 Sodium over the federal limit?
9 of the 219 public water systems on The Water Map report Sodium at or above its federal limit, spanning 38 U.S. states. The full list is on this page.
+How can I check if Sodium 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 Sodium.