Disinfection byproducts · 2024

TTHM in Jersey City, NJ tap water

Within the federal limit· 0.7× the limit

Jersey City, NJ's 2024 TTHM measurement is below the federal limit of 80 ug/L (MCLG).

The measurement

StatisticValue
Reported level
Njdw Sc
5 ug/L
Running annual avg
System-wide
58.7 ug/L
Maximum
System-wide
66.1 ug/L
Minimum
System-wide
23.5 ug/L
Minimum
System-wide
28.8 ug/L
Range
System-wide
28.8 ug/L
Range
System-wide
23.5 ug/L
Minimum
System-wide
26.7 ug/L
Reported level
Njdw Sc
2 ug/L

Verbatim from Jersey City, NJ'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 Jersey City, NJ compares

5 of the 395 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 Jersey City, NJ tap water?

Yes — Jersey City, NJ's 2024 Consumer Confidence Report lists TTHM at 58.7 ug/L. Jersey City, NJ's 2024 TTHM measurement is below the federal limit of 80 ug/L (MCLG).

+What's the federal limit for TTHM in drinking water?

The federal MCLG for TTHM is 80 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+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 395 systems on The Water Map measuring TTHM report it at or above the federal limit. Examples include Albuquerque, NM, City of Hemet, CA, City of Menifee, CA.

+Where does this TTHM measurement come from?

This page reproduces the TTHM entry from the 2024 Consumer Confidence Report published by the Jersey City, NJ 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/nj/jersey-city/2024/source.

Full report
All Jersey City, NJ water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
TTHM across the U.S. →
Every public water system measuring TTHM, ranked.