Other · 2026
Tce in Rialto, City of, CA tap water
Rialto, City of, CA's 2026 Tce level is between 80% and 100% of the federal limit (5 UG/L MCL) — measured but not in violation.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Distribution | 0.9233333333333333 UG/L | 5 UG/L MCL |
Highest single sample Distribution | 6.9 UG/L | 5 UG/L MCL |
Average Source water | 4.5593939393939396 UG/L | 5 UG/L MCL |
Highest single sample Source water | 20 UG/L | 5 UG/L MCL |
Highest single sample Entry point | Not detected UG/L | 5 UG/L MCL |
Verbatim from Rialto, City of, CA's 2026 Consumer Confidence Report — source document ↗
How Rialto, City of, 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 Rialto, City of, CA tap water?
Yes — Rialto, City of, CA's 2026 Consumer Confidence Report lists Tce at 4.5593939393939396 UG/L. Rialto, City of, CA's 2026 Tce level is between 80% and 100% of the federal limit (5 UG/L MCL) — measured but not in violation.
+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 2026 Consumer Confidence Report published by the Rialto, 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/rialto/2026/source.