Metals · 2025

Calcium in Fort Oglethorpe, TN tap water

Detected — no federal limit

Fort Oglethorpe, TN's 2025 report shows Calcium detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Citico Water Treatment Plant
21 mg/L
Range
Range Detected
20–22 mg/L

Verbatim from Fort Oglethorpe, TN's 2025 Consumer Confidence Report — source document ↗

About Calcium

A naturally occurring mineral that contributes to water hardness.

Not federally regulated for health; affects scaling and taste.

How Fort Oglethorpe, TN compares

3 of the 117 systems measuring Calcium on The Water Map have it at or above the federal limit:

Nearby systems also reporting Calcium:

People also ask

+Is there Calcium in Fort Oglethorpe, TN tap water?

Yes — Fort Oglethorpe, TN's 2025 Consumer Confidence Report lists Calcium at 21 mg/L. Fort Oglethorpe, TN's 2025 report shows Calcium detected, but the EPA has not set an enforceable federal limit for it.

+What's the federal limit for Calcium in drinking water?

The EPA has not set an enforceable federal limit for Calcium. Utilities still report any measured levels in their annual Consumer Confidence Report.

+What is Calcium?

A naturally occurring mineral that contributes to water hardness. Not federally regulated for health; affects scaling and taste.

+Which other U.S. cities have Calcium over the federal limit?

3 of the 117 systems on The Water Map measuring Calcium report it at or above the federal limit. Examples include Pomona, CA, Burbank, CA, Vancouver, WA.

+Where does this Calcium measurement come from?

This page reproduces the Calcium entry from the 2025 Consumer Confidence Report published by the Fort Oglethorpe, 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/fort-oglethorpe/2025/source.

Full report
All Fort Oglethorpe, TN water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
Calcium across the U.S. →
Every public water system measuring Calcium, ranked.