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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

United Water Cons District

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

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND40ND
2016ND20ND
2017ND10ND
2018ND30ND
2019ND30ND

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
2014-08-135867-008-0810ND
2014-08-135867-013-0900ND
2015-02-175867-026-0905ND
2015-08-125867-004-0716ND
2015-08-125867-007-0736ND
2015-08-125867-010-0830ND
2016-08-115867-017-0752ND
2016-08-115867-026-0732ND
2017-08-095867-008-0806ND
2018-08-085867-004-0820ND
2018-08-085867-007-0849ND
2018-11-215867-013-0828ND
2019-08-145867-013-0855ND
2019-08-145867-017-0925ND
2019-08-145867-027-0915ND