Physical & aggregate · 2024
Total Dissolved Solids in El Cajon, CA tap water
El Cajon, CA's 2024 Consumer Confidence Report shows Total Dissolved Solids at or above the federal limit (1 mg/L MCL). Measured value is 483.0× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Maximum Helix Plant | 500 mg/L | 1 mg/L MCL |
Maximum Purchased Water | 614 mg/L | 1 mg/L MCL |
Average Purchased Water | 450 mg/L | 1 mg/L MCL |
Minimum Purchased Water | 149 mg/L | 1 mg/L MCL |
Minimum Helix Plant | 460 mg/L | 1 mg/L MCL |
Average Helix Plant | 483 mg/L | 1 mg/L MCL |
Verbatim from El Cajon, CA's 2024 Consumer Confidence Report — source document ↗
About Total Dissolved Solids
Total dissolved solids — the combined content of all dissolved minerals and salts.
Regulated only as a secondary (cosmetic) standard; high levels affect taste and hardness.
How El Cajon, CA compares
5 of the 119 systems measuring Total Dissolved Solids on The Water Map have it at or above the federal limit:
Nearby systems also reporting Total Dissolved Solids:
People also ask
+Is there Total Dissolved Solids in El Cajon, CA tap water?
Yes — El Cajon, CA's 2024 Consumer Confidence Report lists Total Dissolved Solids at 483 mg/L. El Cajon, CA's 2024 Consumer Confidence Report shows Total Dissolved Solids at or above the federal limit (1 mg/L MCL). Measured value is 483.0× the threshold.
+What's the federal limit for Total Dissolved Solids in drinking water?
The federal MCL for Total Dissolved Solids is 1 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Total Dissolved Solids?
Total dissolved solids — the combined content of all dissolved minerals and salts. Regulated only as a secondary (cosmetic) standard; high levels affect taste and hardness.
+Which other U.S. cities have Total Dissolved Solids over the federal limit?
5 of the 119 systems on The Water Map measuring Total Dissolved Solids report it at or above the federal limit. Examples include Ventura, CA, Torrance, CA, St George, UT.
+Where does this Total Dissolved Solids measurement come from?
This page reproduces the Total Dissolved Solids 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.