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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichlorobenzene

City of Rio Hondo

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
2014-09-25AC68256ND
2015-09-23AD08261ND
2016-09-28AD52070ND
2017-09-06AD94961ND
2018-08-15AE37208ND
2019-07-10AE73936ND