Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Lehigh County Authority Allentown Division

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

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND50ND

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
2018-03-138023741-01ND
2018-03-138023741-02ND
2019-03-199024667-02ND
2019-03-199024667-01ND
2020-03-0421896273.00ND
2020-03-1121896296.00ND
2020-03-1821896340.00ND
2020-03-1821896308.00ND
2021-01-0623762416.00ND
2021-01-1323762439.00ND
2021-01-2023762462.00ND
2021-01-2023762485.00ND
2022-01-1025992206.00ND
2022-01-1925992227.00ND
2022-01-2525992250.00ND
2022-01-2525992271.00ND
2023-01-0428221624.00ND
2023-01-0928221647.00ND
2023-01-1828221670.00ND
2023-01-1828221693.00ND
2023-02-2228396013.00ND