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EWG's Tap Water Database — 2021 UPDATE

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1,2,4-Trichlorobenzene

South Adams County Water and Sanitation District

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

MORE ABOUT THIS CONTAMINANT

 

127

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND100ND
2015ND150ND
2016ND100ND
2017ND150ND
2018ND350ND
2019ND420ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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

Date Result
2014-02-24ND
2014-03-03ND
2014-03-03ND
2014-03-03ND
2014-03-03ND
2014-11-03ND
2014-11-03ND
2014-11-03ND
2014-11-03ND
2014-11-03ND
2015-03-02ND
2015-03-02ND
2015-03-02ND
2015-06-08ND
2015-06-08ND
2015-10-26ND
2015-10-26ND
2015-10-26ND
2015-10-26ND
2015-10-26ND
2015-10-26ND
2015-10-26ND
2015-10-26ND
2015-10-26ND
2015-10-26ND
2016-03-14ND
2016-03-14ND
2016-03-14ND
2016-03-14ND
2016-03-14ND
2016-10-24ND
2016-10-24ND
2016-10-24ND
2016-10-24ND
2016-10-24ND
2017-03-13ND
2017-03-13ND
2017-05-22ND
2017-05-22ND
2017-05-22ND
2017-10-30ND
2017-10-30ND
2017-10-30ND
2017-10-30ND
2017-10-30ND
2017-10-30ND
2017-10-30ND
2017-10-30ND
2017-10-30ND
2017-10-30ND
2018-03-05ND
2018-03-05ND
2018-03-05ND
2018-03-05ND
2018-03-05ND
2018-03-05ND
2018-03-05ND
2018-03-05ND
2018-03-22ND
2018-05-14ND
2018-05-14ND
2018-05-14ND
2018-05-14ND
2018-05-14ND
2018-05-14ND
2018-05-14ND
2018-05-14ND
2018-05-14ND
2018-08-06ND
2018-08-06ND
2018-08-06ND
2018-08-06ND
2018-08-06ND
2018-08-06ND
2018-08-06ND
2018-08-06ND
2018-08-06ND
2018-11-26ND
2018-12-19ND
2018-12-19ND
2018-12-19ND
2018-12-19ND
2018-12-19ND
2018-12-19ND
2018-12-19ND
2019-03-19ND
2019-03-19ND
2019-03-19ND
2019-03-19ND
2019-03-19ND
2019-03-19ND
2019-03-19ND
2019-03-19ND
2019-05-28ND
2019-05-28ND
2019-05-28ND
2019-05-28ND
2019-05-28ND
2019-05-28ND
2019-05-28ND
2019-05-28ND
2019-06-17ND
2019-06-17ND
2019-06-17ND
2019-06-17ND
2019-06-17ND
2019-06-17ND
2019-06-17ND
2019-06-17ND
2019-06-17ND
2019-09-09ND
2019-09-09ND
2019-09-09ND
2019-09-09ND
2019-09-09ND
2019-09-09ND
2019-09-09ND
2019-09-09ND
2019-09-09ND
2019-10-21ND
2019-10-21ND
2019-10-21ND
2019-10-21ND
2019-10-21ND
2019-10-21ND
2019-10-21ND
2019-10-21ND