Microbial · 2023

Total Coliform in Pasadena, CA tap water

Detected — no federal limit

Pasadena, CA's 2023 report shows Total Coliform detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Pasadena Water System Highest
1.4 %
Range
Pasadena Water System
0–1.4 %

Verbatim from Pasadena, CA's 2023 Consumer Confidence Report — source document ↗

About Total Coliform

A group of bacteria used as an indicator of overall water-system sanitation.

Coliforms themselves are usually harmless, but their presence signals that disease-causing organisms could enter the system.

How Pasadena, CA compares

1 of the 178 systems measuring Total Coliform on The Water Map have it at or above the federal limit:

Nearby systems also reporting Total Coliform:

People also ask

+Is there Total Coliform in Pasadena, CA tap water?

Yes — Pasadena, CA's 2023 Consumer Confidence Report lists Total Coliform at 1.4 %. Pasadena, CA's 2023 report shows Total Coliform detected, but the EPA has not set an enforceable federal limit for it.

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

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

+What is Total Coliform?

A group of bacteria used as an indicator of overall water-system sanitation. Coliforms themselves are usually harmless, but their presence signals that disease-causing organisms could enter the system.

+Which other U.S. cities have Total Coliform over the federal limit?

1 of the 178 systems on The Water Map measuring Total Coliform report it at or above the federal limit. Examples include Thornton, CO.

+Where does this Total Coliform measurement come from?

This page reproduces the Total Coliform 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.

Full report
All Pasadena, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Total Coliform across the U.S. →
Every public water system measuring Total Coliform, ranked.