Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1-Dichloroethylene

Crystal Lake

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

MORE ABOUT THIS CONTAMINANT

 

49

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND70ND
2015ND10ND
2016ND10ND
2017ND50ND
2018ND170ND
2019ND180ND

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
2014-02-1214B0165-02ND
2014-08-1214H0225-03ND
2014-08-1214H0266-06ND
2014-08-1214H0266-07ND
2014-08-1214H0266-02ND
2014-08-1214H0266-04ND
2014-11-0314K0027-01ND
2015-02-1815B0352-01VOCND
2016-02-0916B0195-07VOCND
2017-02-0717B0148-03ND
2017-07-1117G0205-02ND
2017-07-1117G0205-05ND
2017-07-1117G0205-03ND
2017-07-1117G0205-01ND
2018-01-0918A0154-08ND
2018-01-0918A0154-07ND
2018-01-0918A0154-06ND
2018-01-0918A0154-04_VOCND
2018-04-108043251-03ND
2018-04-108043251-04ND
2018-04-108043251-02ND
2018-04-108043251-01ND
2018-06-2018F0826-01_02ND
2018-08-071808572-007AND
2018-08-071808572-005AND
2018-08-071808572-003AND
2018-08-071808572-001AND
2018-10-301810M75-005AND
2018-10-301810M75-003AND
2018-10-301810M75-001AND
2018-11-1918K0523-01_02ND
2019-01-081901484-007AND
2019-01-081901484-005AND
2019-01-081901484-003AND
2019-01-081901484-001AND
2019-04-091904788-007AND
2019-04-091904788-005AND
2019-04-091904788-003AND
2019-07-161907C22-007AND
2019-07-161907C22-005AND
2019-07-161907C22-003AND
2019-07-161907C22-001AND
2019-10-141910B62-005AND
2019-10-141910B62-001AND
2019-10-141910B62-007AND
2019-10-141910B62-003AND
2019-11-051910N75-005AND
2019-11-051910N75-003AND
2019-11-051910N75-001AND