Physical & aggregate · 2024
Alkalinity in El Sobrante, CA tap water
El Sobrante, CA's 2024 report shows Alkalinity detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Walnut Creek | 22–28 mg/L | None set |
Reported level Sobrante | 60–86 mg/L | None set |
Reported level Orinda | 21–41 mg/L | None set |
Reported level USL | 130–140 mg/L | None set |
Reported level Lafayette | 20–25 mg/L | None set |
Verbatim from El Sobrante, CA's 2024 Consumer Confidence Report — source document ↗
About Alkalinity
A measure of the water's capacity to neutralize acids.
Not federally regulated for health; relevant to corrosion control and treatment.
How El Sobrante, CA compares
4 of the 96 systems measuring Alkalinity on The Water Map have it at or above the federal limit:
Nearby systems also reporting Alkalinity:
People also ask
+Is there Alkalinity in El Sobrante, CA tap water?
Yes — El Sobrante, CA's 2024 Consumer Confidence Report lists Alkalinity at 130–140 mg/L. El Sobrante, CA's 2024 report shows Alkalinity detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Alkalinity in drinking water?
The EPA has not set an enforceable federal limit for Alkalinity. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Alkalinity?
A measure of the water's capacity to neutralize acids. Not federally regulated for health; relevant to corrosion control and treatment.
+Which other U.S. cities have Alkalinity over the federal limit?
4 of the 96 systems on The Water Map measuring Alkalinity report it at or above the federal limit. Examples include Pomona, CA, Burbank, CA, San Diego, CA.
+Where does this Alkalinity measurement come from?
This page reproduces the Alkalinity entry from the 2024 Consumer Confidence Report published by the El Sobrante, 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/el-sobrante/2024/source.