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Dichloroethylene 11 in U.S. tap water
18 public water systems across 7 U.S. states report Dichloroethylene 11 in their annual Consumer Confidence Report. None currently sit at or above the federal limit.
Within the federal limit (18)
| Water system | Measured |
|---|---|
| California Domestic Water Company — Whittier, Ca, CA 2021 annual report | 2.76 ug/L |
| California Domestic Water Company — Whittier, Ca, CA 2020 annual report | 2.57 ug/L |
| Pomona, CA 2024 annual report | 0–1.5 ug/L |
| Antelope Valley East Kern Water Agency — Palmdale, Ca, CA 2020 annual report | Not detected mg/L |
| Antelope Valley East Kern Water Agency — Palmdale, Ca, CA 2022 annual report | Not detected ug/L |
| City of Cupertino, CA 2024 annual report | Not detected ug/L |
| Columbus, OH 2025 annual report | Not detected mg/L |
| Garland, TX 2024 annual report | 0–0 ug/L |
| High Point, NC 2024 annual report | Not detected ug/L |
| Madison, WI 2024 annual report | Not detected ug/L |
| Montgomery, AL 2024 annual report | Not detected mg/L |
| Nashville, TN 2023 annual report | Not detected mg/L |
| San Jose, CA 2024 annual report | Not detected ug/L |
| San Jose Water — San Jose, Ca, CA 2021 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.3 — Lancaster, Ca, CA 2023 annual report | Not detected ug/L |
Frequently asked
+What is Dichloroethylene 11?
Dichloroethylene 11 is a contaminant some U.S. public water utilities measure and report in their annual Consumer Confidence Report.
+What is the federal limit for Dichloroethylene 11 in drinking water?
The federal MCL for Dichloroethylene 11 is 0.007 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 Dichloroethylene 11 over the federal limit?
Zero of the 18 public water systems in The Water Map dataset currently report Dichloroethylene 11 at or above its federal limit.
+How can I check if Dichloroethylene 11 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 Dichloroethylene 11.