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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichlorobenzene

Madera Valley Water Supply Corporation

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND30ND
2016ND30ND
2017ND30ND
2018ND30ND
2019ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2015-07-15Q1527576002ND
2015-07-15Q1527576004ND
2015-07-15Q1527576005ND
2016-09-13Q1637766001ND
2016-09-13Q1637766004ND
2016-09-13Q1637766012ND
2017-08-22Q1738095008ND
2017-08-22Q1738095006ND
2017-08-22Q1738095010ND
2018-07-18Q1828958010ND
2018-07-18Q1828958012ND
2018-07-18Q1828958014ND
2019-06-20Q1938291004ND
2019-06-20Q1938291006ND
2019-06-20Q1938291008ND