Physical & aggregate · 2024
Hardness in El Cajon, CA tap water
El Cajon, CA's 2024 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Minimum Helix Plant | 201 mg/L | None set |
Maximum Helix Plant | 236 mg/L | None set |
Average Helix Plant | 214 mg/L | None set |
Minimum Purchased Water | 60 mg/L | None set |
Maximum Purchased Water | 243 mg/L | None set |
Average Purchased Water | 155 mg/L | None set |
Minimum Helix Plant | 11.7 | None set |
Maximum Helix Plant | 13.8 | None set |
Average Helix Plant | 12.5 | None set |
Minimum Purchased Water | 3.5 | None set |
Maximum Purchased Water | 14.2 | None set |
Average Purchased Water | 9.1 | None set |
Verbatim from El Cajon, CA's 2024 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 El Cajon, CA compares
Nearby systems also reporting Hardness:
People also ask
+Is there Hardness in El Cajon, CA tap water?
Yes — El Cajon, CA's 2024 Consumer Confidence Report lists Hardness at 214 mg/L. El Cajon, CA's 2024 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 2024 Consumer Confidence Report published by the El Cajon, 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/el-cajon/2024/source.