Disinfection byproducts · 2022
TTHM in Azusa Light and Water — Azusa, Ca, CA tap water
Azusa Light and Water — Azusa, Ca, CA's 2022 report shows TTHM detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Azusa Surface Water | 31.25 | None set |
Average Azusa Groundwater | 31.25 | None set |
Range Azusa Surface Water | 5.6–44 | None set |
Range Azusa Groundwater | 5.6–44 | None set |
Verbatim from Azusa Light and Water — Azusa, Ca, CA's 2022 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 Azusa Light and Water — Azusa, Ca, CA compares
5 of the 1176 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 Azusa Light and Water — Azusa, Ca, CA tap water?
Yes — Azusa Light and Water — Azusa, Ca, CA's 2022 Consumer Confidence Report lists TTHM at 31.25. Azusa Light and Water — Azusa, Ca, CA's 2022 report shows TTHM detected, but the EPA has not set an enforceable federal limit for it.
+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?
5 of the 1176 systems on The Water Map measuring TTHM report it at or above the federal limit. Examples include Calexico, City of — Calexico, Ca, CA, White Fence Farms Mwc No.3 — Lancaster, Ca, CA, Greensboro, NC.
+Where does this TTHM measurement come from?
This page reproduces the TTHM entry from the 2022 Consumer Confidence Report published by the Azusa Light and Water — Azusa, Ca, 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/azusa-light-and-water-azusa-ca/2022/source.