Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Town of Rising Sun

NOTE: Town of Rising Sun purchases water from Chester Water Authority which is required to test for 1,2,4-trichlorobenzene. Sample information shown below was taken by Chester Water Authority.

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

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND30ND
2021ND20ND
2022ND30ND
2023ND30ND

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: Town of Rising Sun purchases water from Chester Water Authority which is required to test for 1,2,4-trichlorobenzene. Sample information shown below was taken by Chester Water Authority.

Date Lab ID Result
2018-01-092287664001ND
2018-05-158012319-01ND
2018-07-128020049-01ND
2019-07-103044796001ND
2020-02-0321499835.00ND
2020-05-0122019648.00ND
2020-07-0122412566.00ND
2021-04-0924244237.00ND
2021-07-2824825579.00ND
2022-04-2926461072.00ND
2022-08-0927230357.00ND
2022-11-0827819897.00ND
2023-07-1229299086.00ND
2023-11-0830068032.00ND
2023-11-1530068573.00ND