VOCs & pesticides · 2024
Tetrachloroethylene in Downey, CA tap water
Downey, CA's 2024 Tetrachloroethylene measurement is below the federal limit of 5 ug/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 0–1.14 ug/L | 5 ug/L MCL |
Average System-wide | Not detected ug/L | 5 ug/L MCL |
Verbatim from Downey, CA's 2024 Consumer Confidence Report — source document ↗
About Tetrachloroethylene
An industrial solvent (PCE) used in dry cleaning and degreasing.
A likely human carcinogen; long-term exposure above the federal limit can damage the liver and kidneys.
How Downey, CA compares
4 of the 131 systems measuring Tetrachloroethylene on The Water Map have it at or above the federal limit:
Nearby systems also reporting Tetrachloroethylene:
People also ask
+Is there Tetrachloroethylene in Downey, CA tap water?
Yes — Downey, CA's 2024 Consumer Confidence Report lists Tetrachloroethylene at Not detected ug/L. Downey, CA's 2024 Tetrachloroethylene measurement is below the federal limit of 5 ug/L (MCL).
+What's the federal limit for Tetrachloroethylene in drinking water?
The federal MCL for Tetrachloroethylene 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 Tetrachloroethylene?
An industrial solvent (PCE) used in dry cleaning and degreasing. A likely human carcinogen; long-term exposure above the federal limit can damage the liver and kidneys.
+Which other U.S. cities have Tetrachloroethylene over the federal limit?
4 of the 131 systems on The Water Map measuring Tetrachloroethylene report it at or above the federal limit. Examples include Lukins Brothers Water Company — South Lake Tahoe, Ca, CA, California Domestic Water Company — Whittier, Ca, CA, California Domestic Water Company — Whittier, Ca, CA.
+Where does this Tetrachloroethylene measurement come from?
This page reproduces the Tetrachloroethylene entry from the 2024 Consumer Confidence Report published by the Downey, 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/downey/2024/source.