Physical & aggregate · 2023
Hardness in Carlsbad MWD — Carlsbad, Ca, CA tap water
Carlsbad MWD — Carlsbad, 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 |
|---|---|---|
Reported level Skinner Plant Effluent | 242–243 mg/L | None set |
Reported level Carlsbad Desal Plant | 60.4–75.2 mg/L | None set |
Verbatim from Carlsbad MWD — Carlsbad, 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 Carlsbad MWD — Carlsbad, Ca, CA compares
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People also ask
+Is there Hardness in Carlsbad MWD — Carlsbad, Ca, CA tap water?
Yes — Carlsbad MWD — Carlsbad, Ca, CA's 2023 Consumer Confidence Report lists Hardness at 242–243 mg/L. Carlsbad MWD — Carlsbad, 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 Carlsbad MWD — Carlsbad, 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/carlsbad-mwd-carlsbad-ca/2023/source.