Disinfectants · 2023
Chlorine in Centennial, CO tap water
Centennial, CO's 2023 Chlorine measurement is below the federal limit of 4000 ug/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average System-wide | 34 ug/L | 4000 ug/L MCL |
Range System-wide | 0 ug/L | 4000 ug/L MCL |
Reported level Number of Samples Below Level | 0 mg/L | 4 mg/L MCL |
Verbatim from Centennial, CO's 2023 Consumer Confidence Report — source document ↗
About Chlorine
A disinfectant added to drinking water to kill bacteria and viruses.
Effective and necessary, but high residual levels can cause taste and odor issues; the EPA caps the residual disinfectant level.
People also ask
+Is there Chlorine in Centennial, CO tap water?
Yes — Centennial, CO's 2023 Consumer Confidence Report lists Chlorine at 34 ug/L. Centennial, CO's 2023 Chlorine measurement is below the federal limit of 4000 ug/L (MCL).
+What's the federal limit for Chlorine in drinking water?
The federal MCL for Chlorine is 4000 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Chlorine?
A disinfectant added to drinking water to kill bacteria and viruses. Effective and necessary, but high residual levels can cause taste and odor issues; the EPA caps the residual disinfectant level.
+Where does this Chlorine measurement come from?
This page reproduces the Chlorine entry from the 2023 Consumer Confidence Report published by the Centennial, 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/centennial/2023/source.