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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Highland Links Colony

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
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND
2018ND40ND
2019ND40ND

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
2014-04-16A401710001ND
2014-05-29A402955001ND
2014-07-22A405235001ND
2014-11-26A409360001ND
2015-03-17A501190001ND
2015-04-23A501911001ND
2015-07-28A505851001ND
2015-10-27A509096001ND
2016-02-03B600541001ND
2016-05-18B602979001ND
2016-09-13B608670001ND
2016-11-16B610270001ND
2017-02-23B700817001ND
2017-04-13B701721001ND
2017-07-24B705891001ND
2017-11-29B710128001ND
2018-02-15B800629001ND
2018-05-08B802246002ND
2018-08-22B807364001ND
2018-11-26B809758001ND
2019-03-20B901462001ND
2019-05-16B902927001ND
2019-08-27B907968001ND
2019-11-20B910234001ND