Other · 2025
Carbon Tetrachloride in Ontario Municipal Utilities Company, CA tap water
Ontario Municipal Utilities Company, CA's 2025 Consumer Confidence Report tested for Carbon Tetrachloride and reported no detectable amount.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Source water | Not detected UG/L | 0.5 UG/L MCL |
Verbatim from Ontario Municipal Utilities Company, CA's 2025 Consumer Confidence Report — source document ↗
How Ontario Municipal Utilities Company, CA compares
5 of the 185 systems measuring Carbon Tetrachloride on The Water Map have it at or above the federal limit:
Nearby systems also reporting Carbon Tetrachloride:
People also ask
+Is there Carbon Tetrachloride in Ontario Municipal Utilities Company, CA tap water?
Ontario Municipal Utilities Company, CA's 2025 Consumer Confidence Report tested for Carbon Tetrachloride and found no detectable amount.
+What's the federal limit for Carbon Tetrachloride in drinking water?
The federal MCL for Carbon Tetrachloride is 0.5 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 Carbon Tetrachloride over the federal limit?
5 of the 185 systems on The Water Map measuring Carbon Tetrachloride report it at or above the federal limit. Examples include Glendale-city, Water Dept., CA, Glendale-city, Water Dept., CA, Glendale-city, Water Dept., CA.
+Where does this Carbon Tetrachloride measurement come from?
This page reproduces the Carbon Tetrachloride entry from the 2025 Consumer Confidence Report published by the Ontario Municipal Utilities Company, 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/ontario-municipal-utilities-company/2025/source.