Other · 2024

Tce in Ontario, CA tap water

Within the federal limit· 0.1× the limit

Ontario, CA's 2024 Tce measurement is below the federal limit of 5 UG/L (MCL).

The measurement

StatisticValue
Average
Source water
0.48857142857142855 UG/L
Highest single sample
Source water
0.9 UG/L

Verbatim from Ontario, CA's 2024 Consumer Confidence Report — source document ↗

How Ontario, CA compares

5 of the 185 systems measuring Tce on The Water Map have it at or above the federal limit:

Nearby systems also reporting Tce:

People also ask

+Is there Tce in Ontario, CA tap water?

Yes — Ontario, CA's 2024 Consumer Confidence Report lists Tce at 0.48857142857142855 UG/L. Ontario, CA's 2024 Tce measurement is below the federal limit of 5 UG/L (MCL).

+What's the federal limit for Tce in drinking water?

The federal MCL for Tce is 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 Tce over the federal limit?

5 of the 185 systems on The Water Map measuring Tce 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 Tce measurement come from?

This page reproduces the Tce entry from the 2024 Consumer Confidence Report published by the Ontario, 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/2024/source.

Full report
All Ontario, CA water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Tce across the U.S. →
Every public water system measuring Tce, ranked.