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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Whittier Water Department

1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.

MORE ABOUT THIS CONTAMINANT

 

153

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
2014ND300ND
2015ND290ND
2016ND230ND
2017ND290ND
2018ND250ND
2019ND170ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 70 ppb

The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-079588-022-1000ND
2014-02-119588-022-0830ND
2014-03-119588-008-0925ND
2014-03-119588-010-0935ND
2014-03-119588-011-0910ND
2014-03-119588-013-0940ND
2014-03-119588-022-1100ND
2014-04-099588-022-1000ND
2014-05-209588-022-0830ND
2014-05-289588-003-0900ND
2014-05-289588-009-1000ND
2014-06-109588-022-1000ND
2014-06-119588-008-0910ND
2014-06-119588-010-0920ND
2014-06-119588-011-0950ND
2014-06-119588-013-0930ND
2014-07-089588-022-0900ND
2014-08-079588-022-1000ND
2014-09-049588-010-0945ND
2014-09-049588-011-0920ND
2014-09-049588-013-1000ND
2014-09-179588-022-0900ND
2014-09-299588-008-1040ND
2014-10-169588-022-0930ND
2014-11-109588-022-0830ND
2014-12-099588-008-0915ND
2014-12-099588-010-0945ND
2014-12-099588-011-0900ND
2014-12-099588-013-0930ND
2014-12-179588-022-0900ND
2015-01-149588-022-0830ND
2015-02-099588-022-1000ND
2015-03-109588-022-0800ND
2015-03-179588-008-0930ND
2015-03-179588-010-0940ND
2015-03-179588-011-0910ND
2015-03-179588-013-1000ND
2015-04-159588-022-0820ND
2015-05-069588-022-0830ND
2015-05-199588-009-0800ND
2015-06-109588-008-0950ND
2015-06-109588-010-1010ND
2015-06-109588-011-1000ND
2015-06-109588-013-1020ND
2015-06-249588-022-0930ND
2015-07-149588-022-0800ND
2015-08-119588-022-0850ND
2015-09-109588-008-0910ND
2015-09-109588-010-0915ND
2015-09-109588-011-0900ND
2015-09-109588-013-0930ND
2015-09-169588-022-1000ND
2015-10-199588-022-0800ND
2015-11-109588-022-0830ND
2015-12-029588-022-0900ND
2015-12-049588-008-0940ND
2015-12-049588-010-1005ND
2015-12-049588-011-0915ND
2015-12-049588-013-0955ND
2016-01-139588-022-0930ND
2016-02-099588-022-0800ND
2016-03-089588-022-1117ND
2016-03-229588-008-0940ND
2016-03-229588-010-1010ND
2016-03-229588-011-0945ND
2016-03-229588-013-1000ND
2016-05-119588-009-0845ND
2016-06-149588-008-0920ND
2016-06-149588-010-0925ND
2016-06-149588-011-0930ND
2016-06-149588-013-0940ND
2016-09-139588-010-0910ND
2016-09-139588-011-0900ND
2016-09-139588-013-0935ND
2016-09-209588-022-1000ND
2016-10-109588-022-0905ND
2016-11-049588-008-0915ND
2016-11-049588-010-0925ND
2016-11-049588-013-0925ND
2016-11-219588-022-0942ND
2016-12-069588-022-0830ND
2016-12-089588-011-1130ND
2017-01-249588-022-1236ND
2017-02-149588-022-1040ND
2017-03-089588-008-0905ND
2017-03-089588-010-0910ND
2017-03-089588-011-0855ND
2017-03-089588-013-0955ND
2017-03-139588-022-0945ND
2017-04-119588-022-1038ND
2017-05-019588-022-0845ND
2017-05-099588-009-0842ND
2017-06-069588-022-0730ND
2017-06-149588-008-0910ND
2017-06-149588-010-0905ND
2017-06-149588-011-0955ND
2017-06-149588-013-0920ND
2017-07-179588-022-0820ND
2017-08-159588-022-0740ND
2017-09-129588-008-0910ND
2017-09-129588-010-0900ND
2017-09-129588-011-0855ND
2017-09-129588-013-0925ND
2017-09-189588-022-0822ND
2017-10-169588-022-0811ND
2017-11-069588-022-0750ND
2017-12-059588-022-0807ND
2017-12-119588-008-0940ND
2017-12-119588-010-0945ND
2017-12-119588-011-0930ND
2017-12-119588-013-0955ND
2018-01-229588-022-0752ND
2018-02-209588-022-0953ND
2018-03-139588-008-0910ND
2018-03-139588-010-0905ND
2018-03-139588-011-0855ND
2018-03-139588-013-0925ND
2018-03-199588-022-0815ND
2018-04-099588-022-0928ND
2018-06-139588-008-0905ND
2018-06-139588-009-0955ND
2018-06-139588-010-0915ND
2018-06-139588-011-0855ND
2018-06-139588-013-0940ND
2018-07-109588-022-0900ND
2018-07-239588-022-1130ND
2018-08-079588-022-1000ND
2018-09-189588-010-0940ND
2018-09-189588-011-1015ND
2018-09-189588-013-1115ND
2018-09-249588-022-0838ND
2018-10-159588-022-0924ND
2018-11-059588-022-0836ND
2018-12-199588-010-0915ND
2018-12-199588-011-0935ND
2018-12-199588-013-1015ND
2019-03-219588-008-0915ND
2019-03-219588-010-0905ND
2019-03-219588-011-0900ND
2019-03-219588-013-0935ND
2019-05-089588-009-0810ND
2019-06-119588-008-0900ND
2019-06-119588-009-0950ND
2019-06-119588-010-0845ND
2019-06-119588-011-0905ND
2019-06-119588-013-0915ND
2019-09-249588-008-0945ND
2019-09-249588-010-0930ND
2019-09-249588-011-1015ND
2019-09-249588-013-1055ND
2019-12-189588-010-0830ND
2019-12-189588-011-0840ND
2019-12-189588-013-0855ND