Physical & aggregate · 2023
Hardness in Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA tap water
Foothill Municipal Water Dist. — La Canada Flintridge, 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 Lake Mathews | 291–296 mg/L | None set |
Reported level Diemer Plant | 256 mg/L | None set |
Reported level Lake Skinner | 172–245 mg/L | None set |
Reported level Diemer Plant | 96–306 mg/L | None set |
Reported level Weymouth Plant | 91–304 mg/L | None set |
Reported level Lake Perris | 118 mg/L | None set |
Reported level Lake Havasu | 293–319 mg/L | None set |
Reported level Lake Mathews | 294 mg/L | None set |
Reported level Mills Plant | 60–96 mg/L | None set |
Reported level Jensen Plant | 135–158 mg/L | None set |
Reported level Silverwood Lake | 84 mg/L | None set |
Reported level Skinner Plant | 166–308 mg/L | None set |
Reported level Mills Plant | 78 mg/L | None set |
Reported level Diamond Valley Lake | 104–105 mg/L | None set |
Reported level Castaic Lake | 143–149 mg/L | None set |
Reported level Skinner Plant | 244 mg/L | None set |
Reported level Jensen Plant | 145 mg/L | None set |
Reported level Diamond Valley Lake | 104 mg/L | None set |
Reported level Weymouth Plant | 254 mg/L | None set |
Reported level Castaic Lake | 146 mg/L | None set |
Reported level Lake Havasu | 306 mg/L | None set |
Reported level Silverwood Lake | 68–99 mg/L | None set |
Reported level Lake Perris | 117–120 mg/L | None set |
Reported level Lake Skinner | 208 mg/L | None set |
Verbatim from Foothill Municipal Water Dist. — La Canada Flintridge, 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 Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA compares
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People also ask
+Is there Hardness in Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA tap water?
Yes — Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2023 Consumer Confidence Report lists Hardness at 293–319 mg/L. Foothill Municipal Water Dist. — La Canada Flintridge, 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 Foothill Municipal Water Dist. — La Canada Flintridge, 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/foothill-municipal-water-dist-la-canada-flintridge-ca/2023/source.