Metals · 2024
Magnesium in El Cajon, CA tap water
El Cajon, CA's 2024 report shows Magnesium detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Minimum Purchased Water | 1.2 mg/L | None set |
Maximum Helix Plant | 24 mg/L | None set |
Minimum Helix Plant | 19 mg/L | None set |
Average Purchased Water | 12 mg/L | None set |
Average Helix Plant | 21 mg/L | None set |
Maximum Purchased Water | 23 mg/L | None set |
Verbatim from El Cajon, CA's 2024 Consumer Confidence Report — source document ↗
About Magnesium
A naturally occurring mineral that contributes to water hardness.
Not federally regulated for health; affects scaling and taste.
How El Cajon, CA compares
3 of the 111 systems measuring Magnesium on The Water Map have it at or above the federal limit:
Nearby systems also reporting Magnesium:
People also ask
+Is there Magnesium in El Cajon, CA tap water?
Yes — El Cajon, CA's 2024 Consumer Confidence Report lists Magnesium at 21 mg/L. El Cajon, CA's 2024 report shows Magnesium detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Magnesium in drinking water?
The EPA has not set an enforceable federal limit for Magnesium. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Magnesium?
A naturally occurring mineral that contributes to water hardness. Not federally regulated for health; affects scaling and taste.
+Which other U.S. cities have Magnesium over the federal limit?
3 of the 111 systems on The Water Map measuring Magnesium report it at or above the federal limit. Examples include Pomona, CA, Burbank, CA, Vancouver, WA.
+Where does this Magnesium measurement come from?
This page reproduces the Magnesium 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.