Inorganic chemicals · 2024
Fluoride in Hayward, CA tap water
Hayward, CA's 2024 Fluoride level is between 80% and 100% of the federal limit (1 mg/L Public health goal) — measured but not in violation.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level USL | 0.7–0.8 mg/L | 1 mg/L Public health goal |
Reported level Sobrante | 0.6–0.7 mg/L | 1 mg/L Public health goal |
Reported level Walnut Creek | 0.7–0.8 mg/L | 1 mg/L Public health goal |
Average System-wide | 0.7 mg/L | 1 mg/L Public health goal |
Average EBMUD Results WATER TREATMENT PLANTS Individual Sample Results* Walnut Creek Lafayette Orinda Sobrante USL | 0.7–0.8 mg/L | 1 mg/L Public health goal |
Reported level Orinda | 0.7–0.8 mg/L | 1 mg/L Public health goal |
Reported level Lafayette | 0.7–0.8 mg/L | 1 mg/L Public health goal |
Verbatim from Hayward, CA's 2024 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 Hayward, CA 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 Hayward, CA tap water?
Yes — Hayward, CA's 2024 Consumer Confidence Report lists Fluoride at 0.7–0.8 mg/L. Hayward, CA's 2024 Fluoride level is between 80% and 100% of the federal limit (1 mg/L Public health goal) — measured but not in violation.
+What's the federal limit for Fluoride in drinking water?
The federal Public health goal for Fluoride is 1 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 2024 Consumer Confidence Report published by the Hayward, CA 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/ca/hayward/2024/source.