Physical & aggregate · 2025
Hardness in Red Bank, TN tap water
Red Bank, 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 Red Bank, 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 Red Bank, TN compares
Nearby systems also reporting Hardness:
People also ask
+Is there Hardness in Red Bank, TN tap water?
Yes — Red Bank, TN's 2025 Consumer Confidence Report lists Hardness at 76 mg/L. Red Bank, 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 Red Bank, 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/red-bank/2025/source.