Metals · 2024
Chromium, Hexavalent in Irvine Ranch Water District, CA tap water
Irvine Ranch Water District, CA's 2024 report shows Chromium, Hexavalent detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Source water | 1.05 UG/L | 10 UG/L MCL |
Average Source water | 0.46108108108108103 UG/L | 10 UG/L MCL |
Average Entry point | 18.209733333333332 UG/L | None set |
Highest single sample Entry point | 53.6292 UG/L | None set |
Verbatim from Irvine Ranch Water District, CA's 2024 Consumer Confidence Report — source document ↗
About Chromium, Hexavalent
Hexavalent chromium ('chromium-6') — the more toxic form of chromium.
A known carcinogen by inhalation; regulated nationally only within the total-chromium limit, with stricter limits in some states.
How Irvine Ranch Water District, CA compares
5 of the 178 systems measuring Chromium, Hexavalent on The Water Map have it at or above the federal limit:
Nearby systems also reporting Chromium, Hexavalent:
People also ask
+Is there Chromium, Hexavalent in Irvine Ranch Water District, CA tap water?
Yes — Irvine Ranch Water District, CA's 2024 Consumer Confidence Report lists Chromium, Hexavalent at 18.209733333333332 UG/L. Irvine Ranch Water District, CA's 2024 report shows Chromium, Hexavalent detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Chromium, Hexavalent in drinking water?
The federal MCL for Chromium, Hexavalent is 10 UG/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Chromium, Hexavalent?
Hexavalent chromium ('chromium-6') — the more toxic form of chromium. A known carcinogen by inhalation; regulated nationally only within the total-chromium limit, with stricter limits in some states.
+Which other U.S. cities have Chromium, Hexavalent over the federal limit?
5 of the 178 systems on The Water Map measuring Chromium, Hexavalent report it at or above the federal limit. Examples include Santa Rosa, CA, Diablo Water District, CA, Golden State Water Company, CA.
+Where does this Chromium, Hexavalent measurement come from?
This page reproduces the Chromium, Hexavalent entry from the 2024 Consumer Confidence Report published by the Irvine Ranch Water District, 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/irvine-ranch-water-district/2024/source.