VOCs & pesticides · 2025
1,2,3-TCP in Cal-water Service Co.-chico, CA tap water
Cal-water Service Co.-chico, CA's 2025 Consumer Confidence Report tested for 1,2,3-TCP and reported no detectable amount.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Entry point | Not detected UG/L | 0.005 UG/L MCL |
Highest single sample Source water | Not detected UG/L | 0.005 UG/L MCL |
Verbatim from Cal-water Service Co.-chico, CA's 2025 Consumer Confidence Report — source document ↗
How Cal-water Service Co.-chico, CA compares
5 of the 158 systems measuring 1,2,3-TCP on The Water Map have it at or above the federal limit:
Nearby systems also reporting 1,2,3-TCP:
People also ask
+Is there 1,2,3-TCP in Cal-water Service Co.-chico, CA tap water?
Cal-water Service Co.-chico, CA's 2025 Consumer Confidence Report tested for 1,2,3-TCP and found no detectable amount.
+What's the federal limit for 1,2,3-TCP in drinking water?
The federal MCL for 1,2,3-TCP is 0.005 UG/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+Which other U.S. cities have 1,2,3-TCP over the federal limit?
5 of the 158 systems on The Water Map measuring 1,2,3-TCP report it at or above the federal limit. Examples include Burbank-city, Water Dept., CA, Burbank-city, Water Dept., CA, Burbank, CA.
+Where does this 1,2,3-TCP measurement come from?
This page reproduces the 1,2,3-TCP entry from the 2025 Consumer Confidence Report published by the Cal-water Service Co.-chico, 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/cal-water-service-co-chico/2025/source.