Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Medway Water and Sewer Department

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

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND80ND
2022ND70ND
2023ND70ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-05-08ND
2018-05-08ND
2018-05-08ND
2018-06-25ND
2019-05-07ND
2019-05-07ND
2019-05-07ND
2019-05-07ND
2020-06-16ND
2020-06-16ND
2020-06-16ND
2020-06-16ND
2021-04-27ND
2021-04-27ND
2021-04-27ND
2021-04-27ND
2021-04-27ND
2021-04-27ND
2021-08-11ND
2021-10-25ND
2022-01-05ND
2022-04-20ND
2022-04-20ND
2022-04-20ND
2022-04-20ND
2022-04-20ND
2022-04-20ND
2023-04-19ND
2023-04-19ND
2023-04-19ND
2023-04-19ND
2023-04-19ND
2023-04-19ND
2023-04-19ND