Physical & aggregate · 2023
Total Dissolved Solids in San Diego, CA tap water
San Diego, CA's 2023 Total Dissolved Solids measurement is below the federal limit of 1000 mg/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Otay | 443–614 mg/L | 1000 mg/L MCL |
Range Miramar | 408–585 mg/L | 1000 mg/L MCL |
Range Purchased Treated Water | 149–614 mg/L | 1000 mg/L MCL |
Average Alvarado | 479 mg/L | 1000 mg/L MCL |
Average Purchased Treated Water | 450 mg/L | 1000 mg/L MCL |
Average Miramar | 526 mg/L | 1000 mg/L MCL |
Average Otay | 571 mg/L | 1000 mg/L MCL |
Range Alvarado | 367–564 mg/L | 1000 mg/L MCL |
Verbatim from San Diego, CA's 2023 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 San Diego, 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 San Diego, CA tap water?
Yes — San Diego, CA's 2023 Consumer Confidence Report lists Total Dissolved Solids at 571 mg/L. San Diego, CA's 2023 Total Dissolved Solids measurement is below the federal limit of 1000 mg/L (MCL).
+What's the federal limit for Total Dissolved Solids in drinking water?
The federal MCL for Total Dissolved Solids is 1000 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 2023 Consumer Confidence Report published by the San Diego, 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-diego/2023/source.