Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Seven Estates

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

 

11

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
2022ND30ND
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
2020-03-05Q2008336001ND
2020-03-05Q2008336003ND
2020-08-27Q2034428005ND
2021-09-13Q2124817001ND
2021-09-13Q2124817003ND
2022-04-27Q2212699005ND
2022-04-27Q2212699007ND
2022-10-19Q2231793003ND
2023-05-04Q2317011001ND
2023-05-04Q2317011003ND
2023-05-04Q2317011005ND