Physical & aggregate · 2024

Total Dissolved Solids in Downey, CA tap water

Detected — no federal limit

Downey, CA's 2024 report shows Total Dissolved Solids detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
System-wide
491 mg/L
Range
System-wide
270–610 mg/L

Verbatim from Downey, 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 Downey, CA compares

Nearby systems also reporting Total Dissolved Solids:

People also ask

+Is there Total Dissolved Solids in Downey, CA tap water?

Yes — Downey, CA's 2024 Consumer Confidence Report lists Total Dissolved Solids at 491 mg/L. Downey, CA's 2024 report shows Total Dissolved Solids detected, but the EPA has not set an enforceable federal limit for it.

+What's the federal limit for Total Dissolved Solids in drinking water?

The EPA has not set an enforceable federal limit for Total Dissolved Solids. Utilities still report any measured levels in their annual Consumer Confidence Report.

+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.

+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 Downey, 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/downey/2024/source.

Full report
All Downey, CA water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Total Dissolved Solids across the U.S. →
Every public water system measuring Total Dissolved Solids, ranked.