Disinfection byproducts · 2023

TTHM in Lompoc-city Water Utility Div — Lompoc, Ca, CA tap water

Within the federal limit· 0.4× the limit

Lompoc-city Water Utility Div — Lompoc, Ca, CA's 2023 TTHM measurement is below the federal limit.

The measurement

StatisticValue
Reported level
City of Lompoc
11 ug/L
Reported level
Frick Springs
29 ug/L
Range
City of Lompoc
10 ug/L

Verbatim from Lompoc-city Water Utility Div — Lompoc, 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 Lompoc-city Water Utility Div — Lompoc, 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 Lompoc-city Water Utility Div — Lompoc, Ca, CA tap water?

Yes — Lompoc-city Water Utility Div — Lompoc, Ca, CA's 2023 Consumer Confidence Report lists TTHM at 29 ug/L. Lompoc-city Water Utility Div — Lompoc, Ca, CA's 2023 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?

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 2023 Consumer Confidence Report published by the Lompoc-city Water Utility Div — Lompoc, 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/lompoc-city-water-utility-div-lompoc-ca/2023/source.

Full report
All Lompoc-city Water Utility Div — Lompoc, Ca, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
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Every public water system measuring TTHM, ranked.