Disinfection byproducts · 2024
TTHM in Golden State Water Company, CA tap water
Golden State Water Company, CA's 2024 TTHM measurement is below the federal limit.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Range Detected | 9.9–32 ug/L | None set |
Running annual avg Highest Quarterly | 21 ug/L | None set |
Range Range Detected | 18–82 ug/L | None set |
Running annual avg Highest Quarterly | 62 ug/L | None set |
Range Range Detected | 9.9–32 ug/L | None set |
Running annual avg Highest Quarterly | 21 ug/L | None set |
Range Range Detected | 39–58 ug/L | None set |
Running annual avg Highest Quarterly | 48 ug/L | None set |
Range Range Detected | 18–82 ug/L | None set |
Running annual avg Highest Quarterly | 62 ug/L | None set |
Range Range Detected | 39–58 ug/L | None set |
Running annual avg Highest Quarterly | 48 ug/L | None set |
Verbatim from Golden State Water Company, CA's 2024 Consumer Confidence Report — source document ↗
About TTHM
Total trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.
Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.
How Golden State Water Company, CA compares
4 of the 250 CA systems measuring TTHM on The Water Map have it at or above the federal limit:
Nearby systems also reporting TTHM:
People also ask
+Is there TTHM in Golden State Water Company, CA tap water?
Yes — Golden State Water Company, CA's 2024 Consumer Confidence Report lists TTHM at 62 ug/L. Golden State Water Company, CA's 2024 TTHM measurement is below the federal limit.
+What's the federal limit for TTHM in drinking water?
The EPA has not set an enforceable federal limit for TTHM. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is TTHM?
Total trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.
+Which other U.S. cities have TTHM over the federal limit?
4 of the 250 CA systems on The Water Map measuring TTHM report it at or above the federal limit. Examples include Suisun-solano Water Authority — Vacaville, Ca, CA, Sweetwater Authority — Chula Vista, Ca, CA, Crestline Village Cwd - Division 10 — Crestline, Ca, CA.
+Where does this TTHM measurement come from?
This page reproduces the TTHM entry from the 2024 Consumer Confidence Report published by the Golden State Water Company, 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/golden-state-water-company/2024/source.