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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Jefferson, Town of

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

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
20150.375 ppb41ND - 1.50 ppb
2016ND80ND
2017ND40ND
2018ND40ND
2019ND30ND

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
2014-02-1892189979007ND
2014-02-1892189979007VOCND
2015-12-02ND
2015-12-021.50 ppb
2015-12-02ND
2015-12-02ND
2016-03-28V-1603-005ND
2016-03-28V-1603-004ND
2016-04-04V-1604-002ND
2016-04-04V-1604-001ND
2016-07-18V-1607-006ND
2016-07-18V-1607-005ND
2016-07-18V-1607-007ND
2016-10-11V-1610-001RND
2017-01-24V-1701-012ND
2017-02-23341-17ND
2017-10-251845-17ND
2017-10-251847-17ND
2018-08-231593-18 ND
2018-08-231594-18 ND
2018-11-282376-18 ND
2018-11-282377-18 ND
2019-11-215611-19 ND
2019-11-215612-19 ND
2019-11-215613-19 ND