Disinfection byproducts · 2021

TTHM in Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA tap water

Approaching the federal limit· 0.8× the limit

Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA's 2021 TTHM level is between 80% and 100% of the federal limit — measured but not in violation.

The measurement

StatisticValue
Running annual avg
System-wide
64 ug/L
Range
System-wide
29–110 ug/L

Verbatim from Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA's 2021 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 Manhattan Beach-city, Water Dept. — Manhattan Beach, 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 Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA tap water?

Yes — Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA's 2021 Consumer Confidence Report lists TTHM at 64 ug/L. Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA's 2021 TTHM level is between 80% and 100% of the federal limit — measured but not in violation.

+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 2021 Consumer Confidence Report published by the Manhattan Beach-city, Water Dept. — Manhattan Beach, 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/manhattan-beach-city-water-dept-manhattan-beach-ca/2021/source.

Full report
All Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA water-quality data →
Every contaminant measured in the 2021 report.
Contaminant pillar
TTHM across the U.S. →
Every public water system measuring TTHM, ranked.