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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Woden Water Supply Corporation

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

MORE ABOUT THIS CONTAMINANT

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND60ND
2016ND60ND
2017ND60ND
2018ND60ND
2019ND60ND

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
2014-06-09Q1419948026ND
2015-06-25Q1524222001ND
2015-08-12Q1531879002ND
2015-10-08Q1539627007ND
2015-10-08Q1539627006ND
2015-10-08Q1539627003ND
2015-10-08Q1539627002ND
2016-10-03Q1641602010ND
2016-10-03Q1641602008ND
2016-10-03Q1641602005ND
2016-10-03Q1641602003ND
2016-10-03Q1641602001ND
2016-12-02Q1652669001ND
2017-09-14Q1743897012ND
2017-09-14Q1743897016ND
2017-09-14Q1743897013ND
2017-09-14Q1743897009ND
2017-09-14Q1743897004ND
2017-09-14Q1743897055ND
2018-03-20Q1811091002ND
2018-03-20Q1811091018ND
2018-03-20Q1811091012ND
2018-03-20Q1811091015ND
2018-03-20Q1811091009ND
2018-03-20Q1811091014ND
2019-01-16Q1902343013ND
2019-01-16Q1902343010ND
2019-01-16Q1902343009ND
2019-01-16Q1902343004ND
2019-01-16Q1902343007ND
2019-10-08Q1972051001ND