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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichlorobenzene

Holliston Water Department

1,2,3-Trichlorobenzene is a solvent and an intermediate for chemical manufacturing that was used historically as an insecticide for termite control. The National Toxicology Program lists it as a "reasonably anticipated" human carcinogen.

 

39

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND60ND
2016ND60ND
2017ND60ND
2018ND60ND
2019ND60ND

ppb = parts per billion

All test results

Date Result
2014-03-12ND
2014-06-12ND
2014-06-12ND
2014-06-16ND
2014-06-16ND
2014-06-16ND
2014-06-16ND
2014-09-09ND
2014-11-04ND
2015-05-05ND
2015-05-05ND
2015-05-12ND
2015-05-19ND
2015-05-19ND
2015-05-19ND
2016-05-03ND
2016-05-03ND
2016-05-03ND
2016-05-03ND
2016-05-24ND
2016-05-24ND
2017-05-16ND
2017-05-16ND
2017-05-16ND
2017-05-16ND
2017-05-16ND
2017-05-16ND
2018-05-15ND
2018-05-15ND
2018-05-15ND
2018-05-15ND
2018-05-15ND
2018-05-15ND
2019-05-14ND
2019-05-14ND
2019-05-14ND
2019-05-14ND
2019-05-14ND
2019-05-14ND