Physical & aggregate · 2024
Total Dissolved Solids in El Sobrante, CA tap water
El Sobrante, CA's 2024 Total Dissolved Solids measurement is below the federal limit of 500 mg/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Walnut Creek | 0–57 mg/L | 500 mg/L MCL |
Reported level Orinda | 0–81 mg/L | 500 mg/L MCL |
Reported level Sobrante | 140–190 mg/L | 500 mg/L MCL |
Reported level Lafayette | 0–49 mg/L | 500 mg/L MCL |
Reported level USL | 250–260 mg/L | 500 mg/L MCL |
Average System-wide | 65 mg/L | 500 mg/L MCL |
Verbatim from El Sobrante, 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 Sobrante, 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 Sobrante, CA tap water?
Yes — El Sobrante, CA's 2024 Consumer Confidence Report lists Total Dissolved Solids at 65 mg/L. El Sobrante, CA's 2024 Total Dissolved Solids measurement is below the federal limit of 500 mg/L (MCL).
+What's the federal limit for Total Dissolved Solids in drinking water?
The federal MCL for Total Dissolved Solids is 500 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 Sobrante, 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-sobrante/2024/source.