Disinfection byproducts · 2026
Perchlorate in Sbdno County Service Area 70 Cedar Glen, CA tap water
Sbdno County Service Area 70 Cedar Glen, CA's 2026 Consumer Confidence Report tested for Perchlorate and reported no detectable amount.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Source water | Not detected UG/L | 6 UG/L MCL |
Verbatim from Sbdno County Service Area 70 Cedar Glen, CA's 2026 Consumer Confidence Report — source document ↗
About Perchlorate
A chemical used in rocket fuel and fireworks that can also form during disinfection.
Can interfere with thyroid hormone production; has no national enforceable limit but is regulated in some states.
How Sbdno County Service Area 70 Cedar Glen, CA compares
5 of the 193 systems measuring Perchlorate on The Water Map have it at or above the federal limit:
Nearby systems also reporting Perchlorate:
People also ask
+Is there Perchlorate in Sbdno County Service Area 70 Cedar Glen, CA tap water?
Sbdno County Service Area 70 Cedar Glen, CA's 2026 Consumer Confidence Report tested for Perchlorate and found no detectable amount.
+What's the federal limit for Perchlorate in drinking water?
The federal MCL for Perchlorate is 6 UG/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Perchlorate?
A chemical used in rocket fuel and fireworks that can also form during disinfection. Can interfere with thyroid hormone production; has no national enforceable limit but is regulated in some states.
+Which other U.S. cities have Perchlorate over the federal limit?
5 of the 193 systems on The Water Map measuring Perchlorate report it at or above the federal limit. Examples include Rialto, CA, Rialto, City of, CA, Rialto, City of, CA.
+Where does this Perchlorate measurement come from?
This page reproduces the Perchlorate entry from the 2026 Consumer Confidence Report published by the Sbdno County Service Area 70 Cedar Glen, 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/sbdno-county-service-area-70-cedar-glen/2026/source.