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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Johnson County SUD

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

 

54

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND110ND
2016ND110ND
2017ND110ND
2018ND100ND
2019ND100ND

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
2014-07-22Q1430047015ND
2015-02-03Q1504045006ND
2015-02-03Q1504045004ND
2015-02-03Q1504045001ND
2015-04-16Q1514524006ND
2015-04-16Q1514524003ND
2015-04-16Q1514524001ND
2015-08-05Q1531043009ND
2015-08-05Q1531043008ND
2015-08-05Q1531043006ND
2015-08-05Q1531043004ND
2015-08-05Q1531043001ND
2016-03-17Q1611268016ND
2016-03-17Q1611268008ND
2016-03-17Q1611268010ND
2016-03-17Q1611268011ND
2016-03-17Q1611268014ND
2016-06-01Q1621680001ND
2016-06-01Q1621680004ND
2016-11-21Q1650944013ND
2016-11-21Q1650944015ND
2016-11-21Q1650944012ND
2016-11-21Q1650944002ND
2017-02-14Q1706687009ND
2017-05-04Q1718433006ND
2017-08-16Q1736301009ND
2017-08-16Q1736301011ND
2017-08-16Q1736301007ND
2017-08-16Q1736301006ND
2017-08-16Q1736301003ND
2017-08-16Q1736301001ND
2017-11-07Q1756990017ND
2017-11-07Q1756990011ND
2017-11-07Q1756990014ND
2018-02-21Q1807323001ND
2018-02-21Q1807323007ND
2018-12-10Q1850236018ND
2018-12-10Q1850236014ND
2018-12-10Q1850236017ND
2018-12-10Q1850236009ND
2018-12-10Q1850236011ND
2018-12-10Q1850236021ND
2018-12-10Q1850236023ND
2018-12-10Q1850236013ND
2019-02-20Q1907529027ND
2019-02-20Q1907529019ND
2019-02-20Q1907529007ND
2019-02-20Q1907529024ND
2019-02-20Q1907529004ND
2019-02-20Q1907529023ND
2019-02-20Q1907529003ND
2019-05-21Q1927429001ND
2019-05-21Q1927429005ND
2019-05-21Q1927429003ND