Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

City of Lancaster

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
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
2018-04-231810508-01ND
2018-04-231810508-02ND
2019-01-313013972001ND
2019-01-313013972003ND
2020-04-3022169832.00ND
2020-04-3022169853.00ND
2021-05-1324591316.00ND
2021-05-1324591337.00ND
2022-05-1226798829.00ND
2022-05-1226798850.00ND
2023-05-0429057589.00ND
2023-05-0429057590.00ND