Disinfection byproducts · 2024
Chlorate in Pinole, CA tap water
Pinole, CA's 2024 Chlorate measurement is below the federal limit of 800 ug/L (NL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Sobrante | 69–210 ug/L | 800 ug/L NL |
Reported level Lafayette | 140 ug/L | 800 ug/L NL |
Average EBMUD Results System | 108 ug/L | 800 ug/L NL |
Reported level USL | 99–150 ug/L | 800 ug/L NL |
Reported level Walnut Creek | 87 ug/L | 800 ug/L NL |
Reported level Orinda | 74–140 ug/L | 800 ug/L NL |
Verbatim from Pinole, CA's 2024 Consumer Confidence Report — source document ↗
About Chlorate
A byproduct that can form during disinfection, especially when hypochlorite solutions degrade.
Has no enforceable federal limit but is on the EPA contaminant candidate list; high levels can affect the thyroid.
How Pinole, CA compares
1 of the 55 systems measuring Chlorate on The Water Map have it at or above the federal limit:
Nearby systems also reporting Chlorate:
People also ask
+Is there Chlorate in Pinole, CA tap water?
Yes — Pinole, CA's 2024 Consumer Confidence Report lists Chlorate at 108 ug/L. Pinole, CA's 2024 Chlorate measurement is below the federal limit of 800 ug/L (NL).
+What's the federal limit for Chlorate in drinking water?
The federal NL for Chlorate is 800 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Chlorate?
A byproduct that can form during disinfection, especially when hypochlorite solutions degrade. Has no enforceable federal limit but is on the EPA contaminant candidate list; high levels can affect the thyroid.
+Which other U.S. cities have Chlorate over the federal limit?
1 of the 55 systems on The Water Map measuring Chlorate report it at or above the federal limit. Examples include Chula Vista Sweetwater, CA.
+Where does this Chlorate measurement come from?
This page reproduces the Chlorate entry from the 2024 Consumer Confidence Report published by the Pinole, 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/pinole/2024/source.