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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Vernon Water Department

1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.

MORE ABOUT THIS CONTAMINANT

 

51

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND100ND
2016ND70ND
2017ND80ND
2018ND50ND
2019ND110ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 7 ppb

The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-132706-005-0800ND
2014-02-132706-013-0836ND
2014-02-132706-011-0815ND
2014-02-132706-009-0827ND
2014-02-202706-006-0825ND
2014-05-222706-005-0728ND
2014-05-292706-014-0815ND
2014-08-142706-005-0818ND
2014-11-202706-005-0755ND
2014-12-112706-010-0820ND
2015-02-122706-005-0935ND
2015-02-122706-009-1000ND
2015-02-192706-006-0900ND
2015-02-192706-010-0945ND
2015-03-302706-011-1100ND
2015-05-212706-005-0715ND
2015-05-212706-014-0810ND
2015-05-282706-010-0800ND
2015-06-302706-013-0730ND
2015-07-162706-013-0840ND
2016-02-259588-006-0920ND
2016-02-259588-009-0950ND
2016-02-259588-011-0935ND
2016-05-269588-014-0920ND
2016-05-269588-010-0850ND
2016-08-299588-013-0955ND
2016-11-289588-010-0920ND
2017-02-239588-009-0930ND
2017-02-239588-011-0925ND
2017-02-239588-006-0915ND
2017-02-239588-010-0900ND
2017-05-249588-014-0955ND
2017-05-249588-010-0905ND
2017-08-249588-005-0920ND
2017-08-249588-013-1010ND
2018-02-229588-011-1010ND
2018-02-229588-009-0935ND
2018-02-229588-006-0955ND
2018-05-249588-014-0950ND
2018-08-309588-013-0900ND
2019-01-149588-010-1017ND
2019-02-289588-009-0915ND
2019-02-289588-006-0925ND
2019-05-099588-010-1005ND
2019-05-239588-014-1050ND
2019-07-179588-010-0920ND
2019-08-209588-013-0920ND
2019-08-209588-010-0845ND
2019-09-309588-005-1300ND
2019-11-279588-005-0815ND
2019-12-129588-010-0830ND