Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Marilee Elmont

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

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND30ND
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
2018-03-06Q1809285012ND
2018-03-06Q1809285004ND
2018-12-11Q1850963001ND
2019-03-28Q1912690003ND
2019-03-28Q1912690005ND
2019-10-23Q1973423001ND
2020-10-15Q2040500001ND
2020-10-15Q2040500003ND
2020-10-15Q2040500005ND
2021-10-13Q2128658007ND
2021-10-13Q2128658011ND
2021-10-13Q2128658009ND
2022-06-15Q2216689004ND
2022-06-15Q2216689006ND
2022-06-15Q2216689008ND
2023-08-14Q2333684003ND
2023-08-14Q2333684005ND
2023-10-31Q2346561001ND