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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

Winchendon Water Department

NOTE: Winchendon Water Department purchases water from Ash/win Joint Water Authority which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Ash/win Joint Water Authority.

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

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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

NOTE: Winchendon Water Department purchases water from Ash/win Joint Water Authority which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Ash/win Joint Water Authority.

Date Result
2014-05-07ND
2015-04-29ND
2016-05-12ND
2017-05-03ND
2018-05-09ND
2019-04-11ND