Metals · 2025
Aluminum in Signal Mountain, TN tap water
Signal Mountain, TN's 2025 report shows Aluminum detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Range Detected | 0.05–0.06 mg/L | None set |
Average Citico Water Treatment Plant | 0.06 mg/L | None set |
Verbatim from Signal Mountain, TN's 2025 Consumer Confidence Report — source document ↗
About Aluminum
A common element sometimes used as a treatment coagulant.
Regulated only as a secondary (cosmetic) standard; high levels can discolor water.
How Signal Mountain, TN compares
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People also ask
+Is there Aluminum in Signal Mountain, TN tap water?
Yes — Signal Mountain, TN's 2025 Consumer Confidence Report lists Aluminum at 0.06 mg/L. Signal Mountain, TN's 2025 report shows Aluminum detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Aluminum in drinking water?
The EPA has not set an enforceable federal limit for Aluminum. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Aluminum?
A common element sometimes used as a treatment coagulant. Regulated only as a secondary (cosmetic) standard; high levels can discolor water.
+Where does this Aluminum measurement come from?
This page reproduces the Aluminum entry from the 2025 Consumer Confidence Report published by the Signal Mountain, 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/signal-mountain/2025/source.