Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Bernville Borough

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
2018ND10ND
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
2018-04-138043123-01ND
2019-04-109042470-01ND
2019-09-189093450-01ND
2020-04-1322070925.00ND
2020-04-2722262645.00ND
2021-04-1224291826.00ND
2021-05-2424486229.00ND
2022-04-1226507644.00ND
2022-05-0926695362.00ND
2023-04-1028750564.00ND
2023-06-1229156836.00ND