Physical & aggregate · 2023
Total Dissolved Solids in Pasadena, CA tap water
Pasadena, CA's 2023 Total Dissolved Solids measurement is below the federal limit of 1000 mg/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range MWD Weymouth Plant | 209–296 mg/L | 1000 mg/L MCL |
Average Pasadena Sources | 469 mg/L | 1000 mg/L MCL |
Average MWD Weymouth Plant | 252 mg/L | 1000 mg/L MCL |
Range Pasadena Sources | 300–600 mg/L | 1000 mg/L MCL |
Verbatim from Pasadena, 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 Pasadena, 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 Pasadena, CA tap water?
Yes — Pasadena, CA's 2023 Consumer Confidence Report lists Total Dissolved Solids at 469 mg/L. Pasadena, 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 Pasadena, 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/pasadena/2023/source.