Physical & aggregate · 2025
Hardness in Catoosa Utility District Authority, TN tap water
Catoosa Utility District Authority, TN's 2025 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Range Detected | 61–90 mg/L | None set |
Average Citico Water Treatment Plant | 76 mg/L | None set |
Range Range Detected | 3.6–5.3 | None set |
Average Citico Water Treatment Plant | 4.4 | None set |
Verbatim from Catoosa Utility District Authority, TN's 2025 Consumer Confidence Report — source document ↗
About Hardness
A measure of dissolved calcium and magnesium minerals.
Not federally regulated for health; affects scaling, soap use, and taste.
How Catoosa Utility District Authority, TN compares
Nearby systems also reporting Hardness:
People also ask
+Is there Hardness in Catoosa Utility District Authority, TN tap water?
Yes — Catoosa Utility District Authority, TN's 2025 Consumer Confidence Report lists Hardness at 76 mg/L. Catoosa Utility District Authority, TN's 2025 report shows Hardness detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Hardness in drinking water?
The EPA has not set an enforceable federal limit for Hardness. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Hardness?
A measure of dissolved calcium and magnesium minerals. Not federally regulated for health; affects scaling, soap use, and taste.
+Where does this Hardness measurement come from?
This page reproduces the Hardness entry from the 2025 Consumer Confidence Report published by the Catoosa Utility District Authority, TN 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/tn/catoosa-utility-district-authority/2025/source.