VOCs & pesticides · 2023
Trichloroethylene in Pasadena, CA tap water
Pasadena, CA's 2023 Trichloroethylene measurement is below the federal limit of 5 ug/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Pasadena Sources | Not detected ug/L | 5 ug/L MCL |
Range MWD Weymouth Plant | Not detected ug/L | 5 ug/L MCL |
Average MWD Weymouth Plant | Not detected ug/L | 5 ug/L MCL |
Range Pasadena Sources | 0–0.7 ug/L | 5 ug/L MCL |
Verbatim from Pasadena, CA's 2023 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 Pasadena, CA compares
1 of the 32 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 Pasadena, CA tap water?
Yes — Pasadena, CA's 2023 Consumer Confidence Report lists Trichloroethylene at Not detected ug/L. Pasadena, CA's 2023 Trichloroethylene measurement is below the federal limit of 5 ug/L (MCL).
+What's the federal limit for Trichloroethylene in drinking water?
The federal MCL for Trichloroethylene is 5 ug/L. 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?
1 of the 32 systems on The Water Map measuring Trichloroethylene report it at or above the federal limit. Examples include El Monte, CA.
+Where does this Trichloroethylene measurement come from?
This page reproduces the Trichloroethylene entry from the 2023 Consumer Confidence Report published by the Pasadena, 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/pasadena/2023/source.