Metals · 2026
Thallium in Glendale-city, Water Dept., CA tap water
Glendale-city, Water Dept., CA's 2026 Thallium measurement is below the federal limit of 2 UG/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Source water | 0.2779411764705882 UG/L | 2 UG/L MCL |
Highest single sample Entry point | Not detected UG/L | 2 UG/L MCL |
Highest single sample Source water | 4.5 UG/L | 2 UG/L MCL |
Verbatim from Glendale-city, Water Dept., CA's 2026 Consumer Confidence Report — source document ↗
How Glendale-city, Water Dept., CA compares
1 of the 188 systems measuring Thallium on The Water Map have it at or above the federal limit:
Nearby systems also reporting Thallium:
People also ask
+Is there Thallium in Glendale-city, Water Dept., CA tap water?
Yes — Glendale-city, Water Dept., CA's 2026 Consumer Confidence Report lists Thallium at 0.2779411764705882 UG/L. Glendale-city, Water Dept., CA's 2026 Thallium measurement is below the federal limit of 2 UG/L (MCL).
+What's the federal limit for Thallium in drinking water?
The federal MCL for Thallium is 2 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 Thallium over the federal limit?
1 of the 188 systems on The Water Map measuring Thallium report it at or above the federal limit. Examples include St George, UT.
+Where does this Thallium measurement come from?
This page reproduces the Thallium entry from the 2026 Consumer Confidence Report published by the Glendale-city, Water Dept., 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/glendale-city-water-dept/2026/source.