Physical & aggregate · 2023
Hardness in Mesa Water District — Costa Mesa, Ca, CA tap water
Mesa Water District — Costa Mesa, Ca, CA's 2023 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Weymouth | 16 | None set |
Average Diemer | 270 mg/L | None set |
Range System-wide | 14–18 | None set |
Range System-wide | 235–305 mg/L | None set |
Average Diemer | 16 | None set |
Range System-wide | 1.2–14 | None set |
Average Weymouth | 272 mg/L | None set |
Average Average Amount | 6.4 | None set |
Range System-wide | 21.3–237 mg/L | None set |
Average Average Amount | 109 mg/L | None set |
Verbatim from Mesa Water District — Costa Mesa, Ca, CA's 2023 Consumer Confidence Report — source document ↗
About Hardness
A measure of dissolved calcium and magnesium minerals.
Not federally regulated for health; affects scaling, soap use, and taste.
How Mesa Water District — Costa Mesa, Ca, CA compares
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People also ask
+Is there Hardness in Mesa Water District — Costa Mesa, Ca, CA tap water?
Yes — Mesa Water District — Costa Mesa, Ca, CA's 2023 Consumer Confidence Report lists Hardness at 272 mg/L. Mesa Water District — Costa Mesa, Ca, CA's 2023 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Hardness in drinking water?
The EPA has not set an enforceable federal limit for Hardness. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Hardness?
A measure of dissolved calcium and magnesium minerals. Not federally regulated for health; affects scaling, soap use, and taste.
+Where does this Hardness measurement come from?
This page reproduces the Hardness entry from the 2023 Consumer Confidence Report published by the Mesa Water District — Costa Mesa, Ca, 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/mesa-water-district-costa-mesa-ca/2023/source.