Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1-Dichloroethylene

Watchtower Bible Tract Society

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

MORE ABOUT THIS CONTAMINANT

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND70ND
2015ND70ND
2016ND70ND
2017N/A00N/A
2018ND10ND
2019ND20ND

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
2014-07-09296535-02POCSND
2014-07-09296534-02 POCSND
2014-07-09296535-06POCND
2014-07-09296534-04POCSND
2014-07-09296535-08POCSND
2014-07-09296535-04POCSND
2014-07-09296534-06POCSND
2015-07-23307161-04POCSND
2015-07-23307162-06ND
2015-07-23307161-02POCSND
2015-07-23307161-06ND
2015-07-23307162-04POCSND
2015-07-23307162-08POCSND
2015-07-23307162-02PIOCSND
2016-07-20317745-06POCSND
2016-07-20317745-04POCSND
2016-07-20317744-08POCSND
2016-07-20317744-06POCSND
2016-07-20317744-04POCSND
2016-07-20317744-02POCSND
2016-07-20317745-02POCSND
2018-07-31420-140368-1POCSND
2019-08-08420-158308-4POCSND
2019-08-08420-158308-1POCSND