Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Belmont Waterworks Inc.

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

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND30ND
2021ND20ND
2022ND20ND
2023ND30ND

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 Lab ID Result
2020-03-0235534888001ND
2020-03-0235534888002ND
2020-03-0235534888003ND
2021-07-1435648064001ND
2021-10-0535668355001ND
2022-02-0135694942003ND
2022-05-1135719039001ND
2023-04-1035792383001ND
2023-04-1035792383002ND
2023-04-1035792383003ND