Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1-Dichloroethylene

Columbus County Water District III

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND50ND
2016ND20ND
2017ND10ND
2018N/A00N/A
2019ND10ND

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
2014-03-1737729_14-07601ND
2014-03-1737729_14-07602ND
2014-06-1237729_14-17121ND
2014-09-1737729_14-28547ND
2014-12-1637729_14-38121ND
2015-03-17ND
2015-03-17ND
2015-06-09ND
2015-09-03ND
2015-12-08ND
2016-03-0837729_16-07353ND
2016-03-0837729_16-07354ND
2017-04-0337729_17-10830ND
2019-12-1937729_19-54336 ND