Physical & aggregate · 2023
Hardness in Vista Irrigation District — Vista, Ca, CA tap water
Vista Irrigation District — Vista, 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 Weese Filtration Plant | 170–310 mg/L | None set |
Reported level Skinner Treatment Plant | 242–243 mg/L | None set |
Reported level Carlsbad Desalination Plant | 66 mg/L | None set |
Reported level Skinner Treatment Plant | 242 mg/L | None set |
Reported level Escondido-Vista Water Treatment Plant | 160–210 mg/L | None set |
Reported level Weese Filtration Plant | 245 mg/L | None set |
Reported level Carlsbad Desalination Plant | 47–88 mg/L | None set |
Reported level Escondido-Vista Water Treatment Plant | 188 mg/L | None set |
Verbatim from Vista Irrigation District — Vista, 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 Vista Irrigation District — Vista, Ca, CA compares
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People also ask
+Is there Hardness in Vista Irrigation District — Vista, Ca, CA tap water?
Yes — Vista Irrigation District — Vista, Ca, CA's 2023 Consumer Confidence Report lists Hardness at 170–310 mg/L. Vista Irrigation District — Vista, 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 Vista Irrigation District — Vista, 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/vista-irrigation-district-vista-ca/2023/source.