Other
Dehp in U.S. tap water
39 public water systems across 13 U.S. states report Dehp 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 |
|---|---|---|
| Hialeah, FL 2023 annual report | 0.019 mg/L | 3.2× the limit |
| Grand Prairie, TX 2024 annual report | 0–11.3 ug/L | 1.9× the limit |
Within the federal limit (37)
| Water system | Measured |
|---|---|
| Edmond, OK 2024 annual report | 3.75 ug/L |
| Chandler, AZ 2024 annual report | 3.1 ug/L |
| Mesa, AZ 2024 annual report | 1.7 ug/L |
| Springfield, MA 2024 annual report | 1.66 ug/L |
| Poolesville, MD 2024 annual report | 1.34 ug/L |
| West Valley City, UT 2024 annual report | 1.3 ug/L |
| Brook Lane, MD 2024 annual report | 1.04 ug/L |
| Yonkers, NY 2024 annual report | 0.85 ug/L |
| Lubbock, TX 2024 annual report | 0.6 ug/L |
| Houston, TX 2023 annual report | 0.3 ug/L |
| Newark, NJ 2024 annual report | 0.08 ug/L |
| West Jordan, UT 2024 annual report | 0.06 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 2022 annual report | Not detected ug/L |
| Covina Irrigating Co. — West Covina, Ca, CA 2023 annual report | Not detected mg/L |
| Covina Irrigating Co. — West Covina, Ca, CA 2020 annual report | 0 mg/L |
| Cwsc Los Altos Suburban — San Jose, Ca, CA 2023 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 |
| Glen Meadow Retirement Community, MD 2024 annual report | Not detected ug/L |
| High Point, NC 2024 annual report | Not detected ug/L |
| Mojave Pud — Mojave, Ca, CA 2023 annual report | Not detected ug/L |
| Montgomery, AL 2024 annual report | Not detected mg/L |
| Nashville, TN 2023 annual report | Not detected mg/L |
| Nyc, NY 2023 annual report | Not detected mg/L |
| Pearland, TX 2024 annual report | Not detected ug/L |
| Richardson, TX 2024 annual report | 0–0 ug/L |
| Three Valleys MWD — Claremont, Ca, CA 2023 annual report | Not detected ug/L |
| Westside Park Mutual Water — Palmdale, Ca, CA 2023 annual report | Not detected ug/L |
| White Fence Farms Mwc No. 1 — Palmdale, Ca, CA 2021 annual report | Not detected ug/L |
| White Fence Farms Mwc No. 1 — Palmdale, Ca, CA 2023 annual report | Not detected ug/L |
| White Fence Farms Mwc No. 1 — Palmdale, Ca, CA 2020 annual report | Not detected ug/L |
| White Fence Farms Mwc No.3 — Lancaster, Ca, CA 2023 annual report | Not detected ug/L |
| White Fence Farms Mwc No.3 — Lancaster, Ca, CA 2020 annual report | Not detected ug/L |
| White Fence Farms Mwc No.3 — Lancaster, Ca, CA 2022 annual report | Not detected ug/L |
| Yosemite Spring Park Util Co — Coarsegold, Ca, CA 2023 annual report | Not detected ug/L |
Frequently asked
+What is Dehp?
Dehp is a contaminant some U.S. public water utilities measure and report in their annual Consumer Confidence Report.
+What is the federal limit for Dehp in drinking water?
The federal MCLG for Dehp is 0 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 Dehp over the federal limit?
2 of the 39 public water systems on The Water Map report Dehp at or above its federal limit, spanning 13 U.S. states. The full list is on this page.
+How can I check if Dehp 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 Dehp.