Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Aqua Pa West Chester

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
2019ND40ND
2020ND30ND
2021ND30ND
2022ND30ND
2023ND20ND

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
2018-01-29AF74444ND
2018-02-22AF77012ND
2018-03-22AF78070ND
2019-03-06AG10280ND
2019-03-06AG10262ND
2019-03-06AG10272ND
2019-03-07AG10725ND
2020-03-1021839023.00ND
2020-03-1121839002.00ND
2020-04-0222014458.00ND
2021-02-1023881861.00ND
2021-02-1023881882.00ND
2021-02-1023881903.00ND
2022-01-2825934693.00ND
2022-02-2426110781.00ND
2022-03-2826280758.00ND
2023-03-2328514070.00ND
2023-03-2828514091.00ND