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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichlorobenzene

Suburban Water Systems - Whittier

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.

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51

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
2014ND140ND
2015ND120ND
2016ND110ND
2017ND40ND
2018ND40ND
2019ND60ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-099588-014-1520ND
2014-02-069588-014-1020ND
2014-03-109588-014-1501ND
2014-04-079588-014-1304ND
2014-05-129588-014-1106ND
2014-05-199588-035-0900ND
2014-05-199588-033-0925ND
2014-05-199588-031-0915ND
2014-05-199588-020-1010ND
2014-06-169588-014-1400ND
2014-07-079588-014-1118ND
2014-08-049588-014-1305ND
2014-09-109588-014-1315ND
2014-10-169588-014-1140ND
2015-03-139588-014-1105ND
2015-04-239588-014-0950ND
2015-05-229588-031-0930ND
2015-05-229588-020-1000ND
2015-05-229588-035-0920ND
2015-06-179588-033-0855ND
2015-07-309588-014-1031ND
2015-08-139588-014-1012ND
2015-09-029588-014-1108ND
2015-10-089588-014-1128ND
2015-11-099588-014-0850ND
2015-12-079588-014-1040ND
2016-04-299588-014-1001ND
2016-05-059588-014-1000ND
2016-05-249588-035-0910ND
2016-05-249588-020-1005ND
2016-05-249588-031-0945ND
2016-05-249588-033-0935ND
2016-06-169588-014-1128ND
2016-07-079588-014-1200ND
2016-09-089588-014-1415ND
2016-10-139588-014-1100ND
2016-11-179588-014-1130ND
2017-05-059588-020-0925ND
2017-05-059588-031-0905ND
2017-05-059588-035-0850ND
2017-05-059588-033-0915ND
2018-05-159588-035-0915ND
2018-05-159588-031-0925ND
2018-05-159588-033-0950ND
2018-05-159588-020-0935ND
2019-05-289588-035-0900ND
2019-05-289588-031-0915ND
2019-05-289588-020-0910ND
2019-05-289588-033-0925ND
2019-11-219588-033-0935ND
2019-11-219588-020-0945ND