Inorganic chemicals · 2023

Fluoride in Washington Dc, DC tap water

Within the federal limit· 0.2× the limit

Washington Dc, DC's 2023 Fluoride measurement is below the federal limit of 4 mg/L (MCLG).

The measurement

StatisticValue
Maximum
DC Drinking Water
0.7 mg/L
Range
DC Drinking Water
0.6 mg/L

Verbatim from Washington Dc, DC's 2023 Consumer Confidence Report — source document ↗

About Fluoride

A mineral often added to drinking water to help prevent tooth decay.

Beneficial at low levels, but long-term exposure above the federal limit can cause bone disease and tooth mottling.

How Washington Dc, DC compares

5 of the 386 systems measuring Fluoride on The Water Map have it at or above the federal limit:

Nearby systems also reporting Fluoride:

People also ask

+Is there Fluoride in Washington Dc, DC tap water?

Yes — Washington Dc, DC's 2023 Consumer Confidence Report lists Fluoride at 0.7 mg/L. Washington Dc, DC's 2023 Fluoride measurement is below the federal limit of 4 mg/L (MCLG).

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

The federal MCLG for Fluoride is 4 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is Fluoride?

A mineral often added to drinking water to help prevent tooth decay. Beneficial at low levels, but long-term exposure above the federal limit can cause bone disease and tooth mottling.

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

5 of the 386 systems on The Water Map measuring Fluoride report it at or above the federal limit. Examples include High Point, NC, Columbus, OH, Hollywood, FL.

+Where does this Fluoride measurement come from?

This page reproduces the Fluoride entry from the 2023 Consumer Confidence Report published by the Washington Dc, DC 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/dc/washington-dc/2023/source.

Full report
All Washington Dc, DC water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Fluoride across the U.S. →
Every public water system measuring Fluoride, ranked.