VOCs & pesticides · 2025
1,2,3-TCP in Riverside, City of, CA tap water
Riverside, City of, CA's 2025 1,2,3-TCP level is between 80% and 100% of the federal limit (0.005 UG/L MCL) — measured but not in violation.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Distribution | Not detected UG/L | 0.005 UG/L MCL |
Average Source water | 0.004766511627906977 UG/L | 0.005 UG/L MCL |
Highest single sample Source water | 0.038 UG/L | 0.005 UG/L MCL |
Highest single sample Entry point | Not detected UG/L | 0.005 UG/L MCL |
Verbatim from Riverside, City of, CA's 2025 Consumer Confidence Report — source document ↗
How Riverside, City of, 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 Riverside, City of, CA tap water?
Yes — Riverside, City of, CA's 2025 Consumer Confidence Report lists 1,2,3-TCP at 0.004766511627906977 UG/L. Riverside, City of, CA's 2025 1,2,3-TCP level is between 80% and 100% of the federal limit (0.005 UG/L MCL) — measured but not in violation.
+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 Riverside, City of, 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/riverside/2025/source.