Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Allendale Water Department

NOTE: Allendale Water Department purchases water from United Water NJ which is required to test for 1,2,4-trichlorobenzene. Sample information shown below was taken by United Water NJ.

1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND50ND
2020ND50ND
2021ND80ND
2022ND70ND
2023ND50ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 5 ppb

The EWG Health Guideline of 5 ppb for 1,2,4-trichlorobenzene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against hormone disruption.

EPA Maximum Contaminant
Level (MCL): 70 ppb

The legal limit for 1,2,4-trichlorobenzene, established in 1992, was based on a toxicity study in laboratory animals conducted in 1981. This limit may not fully protect against hormone disruption.

ppb = parts per billion

All test results

NOTE: Allendale Water Department purchases water from United Water NJ which is required to test for 1,2,4-trichlorobenzene. Sample information shown below was taken by United Water NJ.

Date Lab ID Result
2018-01-248010726-01ND
2018-04-068040261-01ND
2018-07-068070310-01ND
2018-07-108070363-01ND
2018-10-048100284-01ND
2019-01-089010311-01ND
2019-04-049040295-01ND
2019-07-099070487-01ND
2019-07-169070896-01ND
2019-10-169100925-01ND
2020-02-260021051-01ND
2020-05-140050649-01ND
2020-07-010070082-03ND
2021-07-071070325-01ND
2022-07-072070381-01ND
2023-07-0523G0111-03ND