Microbial · 2024
Total Coliform in Thornton, CO tap water
Thornton, CO's 2024 Consumer Confidence Report shows Total Coliform at or above the federal limit (95 % MCL). Measured value is 1.1× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 99.9 % | 95 % MCL |
Verbatim from Thornton, CO's 2024 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 Thornton, CO compares
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People also ask
+Is there Total Coliform in Thornton, CO tap water?
Yes — Thornton, CO's 2024 Consumer Confidence Report lists Total Coliform at 99.9 %. Thornton, CO's 2024 Consumer Confidence Report shows Total Coliform at or above the federal limit (95 % MCL). Measured value is 1.1× the threshold.
+What's the federal limit for Total Coliform in drinking water?
The federal MCL for Total Coliform is 95 %. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+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.
+Where does this Total Coliform measurement come from?
This page reproduces the Total Coliform entry from the 2024 Consumer Confidence Report published by the Thornton, CO 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/co/thornton/2024/source.