Inorganic chemicals · 2023
Fluoride in San Antonio, TX tap water
San Antonio, TX's 2023 Fluoride level is between 80% and 100% of the federal limit (4 mg/L MCLG) — measured but not in violation.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Concentration Range Found | 0.21–0.21 mg/L | 4 mg/L MCLG |
Range Concentration Range Found | 0.15–3.31 mg/L | 4 mg/L MCLG |
Reported level System-wide | 0.21 mg/L | 4 mg/L MCLG |
Reported level System-wide | 3.21 mg/L | 4 mg/L MCLG |
Verbatim from San Antonio, TX'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 San Antonio, TX 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 San Antonio, TX tap water?
Yes — San Antonio, TX's 2023 Consumer Confidence Report lists Fluoride at 0.15–3.31 mg/L. San Antonio, TX's 2023 Fluoride level is between 80% and 100% of the federal limit (4 mg/L MCLG) — measured but not in violation.
+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 San Antonio, TX 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/tx/san-antonio/2023/source.