Metals · 2024
Chromium, Hexavalent in Daly City, CA tap water
Daly City, CA's 2024 Chromium, Hexavalent level is between 80% and 100% of the federal limit (10 UG/L MCL) — measured but not in violation.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Source water | 20 UG/L | 10 UG/L MCL |
Average Entry point | 0.7666666666666666 UG/L | 10 UG/L MCL |
Highest single sample Entry point | 1.3 UG/L | 10 UG/L MCL |
Average Source water | 9.757142857142856 UG/L | 10 UG/L MCL |
Verbatim from Daly City, 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 Daly City, 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 Daly City, CA tap water?
Yes — Daly City, CA's 2024 Consumer Confidence Report lists Chromium, Hexavalent at 9.757142857142856 UG/L. Daly City, CA's 2024 Chromium, Hexavalent level is between 80% and 100% of the federal limit (10 UG/L MCL) — measured but not in violation.
+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 Daly City, 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/daly-city/2024/source.