Disinfection byproducts · 2023
TTHM in Calexico, City of — Calexico, Ca, CA tap water
Calexico, City of — Calexico, Ca, CA's 2023 Consumer Confidence Report shows TTHM at or above the federal limit. Measured value is 912.5× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 24–96 | None set |
Average System-wide | 73 mg/L | None set |
Verbatim from Calexico, City of — Calexico, Ca, CA's 2023 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 Calexico, City of — Calexico, 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 Calexico, City of — Calexico, Ca, CA tap water?
Yes — Calexico, City of — Calexico, Ca, CA's 2023 Consumer Confidence Report lists TTHM at 73 mg/L. Calexico, City of — Calexico, Ca, CA's 2023 Consumer Confidence Report shows TTHM at or above the federal limit. Measured value is 912.5× the threshold.
+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 White Fence Farms Mwc No.3 — Lancaster, Ca, CA, Greensboro, NC, Tejon Castac Wd - I5 & Laval Rd — Lebec, Ca, CA.
+Where does this TTHM measurement come from?
This page reproduces the TTHM entry from the 2023 Consumer Confidence Report published by the Calexico, City of — Calexico, 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/calexico-calexico-ca/2023/source.