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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Walker Water

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

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND80ND
2016ND10ND
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

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
2014-03-2514086000901ND
2014-03-2514086001001ND
2014-06-2514177005201ND
2014-06-2514177005101ND
2014-07-0114184007301ND
2014-07-0114184007401ND
2014-10-0814282007901ND
2014-10-0814282007801ND
2015-01-0515008007701ND
2015-01-0515008007801ND
2015-04-0115092005801ND
2015-04-0115092005701ND
2015-07-0815190008801ND
2015-07-0815190008901ND
2015-10-0615281000501ND
2015-10-0615281000601ND
2016-08-2316237003301ND