VOCs & pesticides · 2022

Trichloroethylene in Norwalk - City, Water Dept. — Norwalk, Ca, CA tap water

Detected — no federal limit

Norwalk - City, Water Dept. — Norwalk, Ca, CA's 2022 report shows Trichloroethylene detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Range
MWD's Surface Water
Not detected
Average
MWD's Surface Water
Not detected
Average
Groundwater
1.4
Range
Groundwater
0.8–2.3

Verbatim from Norwalk - City, Water Dept. — Norwalk, Ca, CA's 2022 Consumer Confidence Report — source document ↗

About Trichloroethylene

An industrial solvent (TCE) used in metal degreasing.

A known human carcinogen; long-term exposure above the federal limit can damage the liver.

How Norwalk - City, Water Dept. — Norwalk, Ca, CA compares

4 of the 117 systems measuring Trichloroethylene on The Water Map have it at or above the federal limit:

Nearby systems also reporting Trichloroethylene:

People also ask

+Is there Trichloroethylene in Norwalk - City, Water Dept. — Norwalk, Ca, CA tap water?

Yes — Norwalk - City, Water Dept. — Norwalk, Ca, CA's 2022 Consumer Confidence Report lists Trichloroethylene at 1.4. Norwalk - City, Water Dept. — Norwalk, Ca, CA's 2022 report shows Trichloroethylene detected, but the EPA has not set an enforceable federal limit for it.

+What's the federal limit for Trichloroethylene in drinking water?

The federal MCL for Trichloroethylene is 5 . The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is Trichloroethylene?

An industrial solvent (TCE) used in metal degreasing. A known human carcinogen; long-term exposure above the federal limit can damage the liver.

+Which other U.S. cities have Trichloroethylene over the federal limit?

4 of the 117 systems on The Water Map measuring Trichloroethylene report it at or above the federal limit. Examples include California Domestic Water Company — Whittier, Ca, CA, California Domestic Water Company — Whittier, Ca, CA, La Verne, City Wd — La Verne, Ca, CA.

+Where does this Trichloroethylene measurement come from?

This page reproduces the Trichloroethylene entry from the 2022 Consumer Confidence Report published by the Norwalk - City, Water Dept. — Norwalk, Ca, CA water utility — the annual drinking-water report every U.S. utility is required by federal law to publish. The original source document is archived at /water/ca/norwalk-city-water-dept-norwalk-ca/2022/source.

Full report
All Norwalk - City, Water Dept. — Norwalk, Ca, CA water-quality data →
Every contaminant measured in the 2022 report.
Contaminant pillar
Trichloroethylene across the U.S. →
Every public water system measuring Trichloroethylene, ranked.