Physical & aggregate · 2025
Hardness in Pasadena Water and Power, CA tap water
Pasadena Water and Power, CA's 2025 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Source water | 353 MG/L | None set |
Average Source water | 238.88888888888889 MG/L | None set |
Average Entry point | 228 MG/L | None set |
Highest single sample Entry point | 256 MG/L | None set |
Verbatim from Pasadena Water and Power, CA's 2025 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 Pasadena Water and Power, CA compares
Nearby systems also reporting Hardness:
People also ask
+Is there Hardness in Pasadena Water and Power, CA tap water?
Yes — Pasadena Water and Power, CA's 2025 Consumer Confidence Report lists Hardness at 238.88888888888889 MG/L. Pasadena Water and Power, CA's 2025 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 2025 Consumer Confidence Report published by the Pasadena Water and Power, 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/pasadena-water-and-power/2025/source.