Metals · 2024
Calcium in Santa Rosa, CA tap water
Santa Rosa, CA's 2024 report shows Calcium detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Sonoma Water | 21.5 mg/L | None set |
Range Santa Rosa | 26.7–27.9 mg/L | None set |
Reported level Santa Rosa | 27.3 mg/L | None set |
Range Sonoma Water | 20–24 mg/L | None set |
Verbatim from Santa Rosa, CA's 2024 Consumer Confidence Report — source document ↗
About Calcium
A naturally occurring mineral that contributes to water hardness.
Not federally regulated for health; affects scaling and taste.
How Santa Rosa, CA compares
3 of the 117 systems measuring Calcium on The Water Map have it at or above the federal limit:
Nearby systems also reporting Calcium:
People also ask
+Is there Calcium in Santa Rosa, CA tap water?
Yes — Santa Rosa, CA's 2024 Consumer Confidence Report lists Calcium at 26.7–27.9 mg/L. Santa Rosa, CA's 2024 report shows Calcium detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Calcium in drinking water?
The EPA has not set an enforceable federal limit for Calcium. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Calcium?
A naturally occurring mineral that contributes to water hardness. Not federally regulated for health; affects scaling and taste.
+Which other U.S. cities have Calcium over the federal limit?
3 of the 117 systems on The Water Map measuring Calcium report it at or above the federal limit. Examples include Pomona, CA, Burbank, CA, Vancouver, WA.
+Where does this Calcium measurement come from?
This page reproduces the Calcium entry from the 2024 Consumer Confidence Report published by the Santa Rosa, 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/santa-rosa/2024/source.