Metals · 2025
Barium in Riverside, City of, CA tap water
Riverside, City of, CA's 2025 Barium measurement is below the federal limit of 1000 UG/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Entry point | 41 UG/L | 1000 UG/L MCL |
Average Source water | 41.1219512195122 UG/L | 1000 UG/L MCL |
Highest single sample Source water | 78 UG/L | 1000 UG/L MCL |
Highest single sample Distribution | 48 UG/L | 1000 UG/L MCL |
Average Distribution | 38.11538461538461 UG/L | 1000 UG/L MCL |
Highest single sample Entry point | 75 UG/L | 1000 UG/L MCL |
Verbatim from Riverside, City of, CA's 2025 Consumer Confidence Report — source document ↗
About Barium
A metal from erosion of natural deposits and industrial discharge.
Long-term exposure above the federal limit can raise blood pressure.
How Riverside, City of, CA compares
5 of the 362 systems measuring Barium on The Water Map have it at or above the federal limit:
Nearby systems also reporting Barium:
People also ask
+Is there Barium in Riverside, City of, CA tap water?
Yes — Riverside, City of, CA's 2025 Consumer Confidence Report lists Barium at 41.1219512195122 UG/L. Riverside, City of, CA's 2025 Barium measurement is below the federal limit of 1000 UG/L (MCL).
+What's the federal limit for Barium in drinking water?
The federal MCL for Barium is 1000 UG/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Barium?
A metal from erosion of natural deposits and industrial discharge. Long-term exposure above the federal limit can raise blood pressure.
+Which other U.S. cities have Barium over the federal limit?
5 of the 362 systems on The Water Map measuring Barium report it at or above the federal limit. Examples include Columbus, OH, Hollywood, FL, Mcallen, TX.
+Where does this Barium measurement come from?
This page reproduces the Barium 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.