Physical & aggregate · 2023
Hardness in San Juan Water District — Granite Bay, Ca, CA tap water
San Juan Water District — Granite Bay, 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 Fair Oaks Groundwater | 74 mg/L | None set |
Average Citrus Heights Groundwater | 134.5 mg/L | None set |
Range Citrus Heights Groundwater | 98–160 mg/L | None set |
Range San Juan Surface Water Including Orange Vale Water Company | 17 mg/L | None set |
Range Fair Oaks Groundwater | 53–94 mg/L | None set |
Average San Juan Surface Water Including Orange Vale Water Company | 17 mg/L | None set |
Verbatim from San Juan Water District — Granite Bay, 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 San Juan Water District — Granite Bay, Ca, CA compares
Nearby systems also reporting Hardness:
People also ask
+Is there Hardness in San Juan Water District — Granite Bay, Ca, CA tap water?
Yes — San Juan Water District — Granite Bay, Ca, CA's 2023 Consumer Confidence Report lists Hardness at 134.5 mg/L. San Juan Water District — Granite Bay, 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 San Juan Water District — Granite Bay, 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/san-juan-water-district-granite-bay-ca/2023/source.