Metals · 2023
Chromium, Hexavalent in Ontario Municipal Utilities Company, CA tap water
Ontario Municipal Utilities Company, CA's 2023 report shows Chromium, Hexavalent detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Source water | 3.6999999999999997 UG/L | None set |
Highest single sample Source water | 6.8 UG/L | None set |
Verbatim from Ontario Municipal Utilities Company, CA's 2023 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 Ontario Municipal Utilities Company, 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 Ontario Municipal Utilities Company, CA tap water?
Yes — Ontario Municipal Utilities Company, CA's 2023 Consumer Confidence Report lists Chromium, Hexavalent at 3.6999999999999997 UG/L. Ontario Municipal Utilities Company, CA's 2023 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 EPA has not set an enforceable federal limit for Chromium, Hexavalent. Utilities still report any measured levels in their annual Consumer Confidence Report.
+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 2023 Consumer Confidence Report published by the Ontario Municipal Utilities Company, 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-municipal-utilities-company/2023/source.