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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Bourne Water District

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

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND80ND
2016ND70ND
2017ND90ND
2018ND100ND
2019ND100ND

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 Result
2015-08-10ND
2015-10-13ND
2015-10-13ND
2015-10-13ND
2015-10-13ND
2015-10-13ND
2015-10-13ND
2015-10-13ND
2016-07-19ND
2016-11-10ND
2016-11-10ND
2016-11-10ND
2016-11-10ND
2016-11-10ND
2016-11-10ND
2017-01-25ND
2017-04-25ND
2017-10-03ND
2017-10-03ND
2017-10-03ND
2017-10-03ND
2017-10-03ND
2017-10-03ND
2017-10-03ND
2018-01-10ND
2018-04-09ND
2018-07-12ND
2018-10-22ND
2018-10-22ND
2018-10-22ND
2018-10-22ND
2018-10-22ND
2018-10-22ND
2018-10-22ND
2019-01-23ND
2019-05-08ND
2019-07-26ND
2019-11-19ND
2019-11-19ND
2019-11-19ND
2019-11-19ND
2019-11-19ND
2019-11-19ND
2019-11-19ND