Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Mt. Joy Boro Authority

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
2018N/A00N/A
2019ND20ND
2020ND50ND
2021ND10ND
2022ND10ND
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
2019-08-209083654-01ND
2019-11-079110611-01ND
2020-02-2021802863.00ND
2020-02-2021981375.00ND
2020-02-2821981399.00ND
2020-03-0321981322.00ND
2020-04-0922171138.00ND
2021-01-1923849103.00ND
2022-06-0726995875.00ND
2023-05-1529059238.00ND
2023-05-1629059239.00ND
2023-06-0429260271.00ND