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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Walnut Grove Utilities

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

MORE ABOUT THIS CONTAMINANT

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND30ND
2017ND30ND
2018ND50ND
2019ND120ND

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
2014-08-14VOC_217158-2014-ND
2015-09-10VOC_237071-2015-ND
2016-12-2116122773-01ABND
2016-12-2116122770-01ABND
2016-12-2116122769-01ABND
2017-09-11273855-2017-DWND
2017-09-11273852-2017-DWAND
2017-10-03275181-2017-DWND
2018-03-07282520-2018-DWND
2018-06-06287632-2018-DWND
2018-08-15292293-2018-DWVND
2018-08-15292292-2018-DWVND
2018-10-16295667-2018-DWVND
2019-02-26301437-2019-DWND
2019-02-26301436-2019-DWVND
2019-03-05301699-2019-DWND
2019-03-05301698-2019-DWVND
2019-03-12302100-2019-DWVND
2019-03-12302099-2019-DWAND
2019-03-12302098-2019-DWND
2019-04-02303159-2019-DWVND
2019-04-09303654-2019-DWND
2019-08-13310365-2019DWND
2019-12-03317113-2019-DWND
2019-12-04317121-2019-DWAND