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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichlorobenzene

San Patricio Municipal Water District

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-09-16AC67104ND
2015-09-10AD06600ND
2016-07-20AD45239ND
2017-09-13AD96017ND
2018-08-23AE38453ND
2019-08-06AE77289ND