Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Duncannon Municipal Water

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
2018ND20ND
2019ND10ND
2020ND40ND
2021ND60ND
2022ND10ND
2023ND40ND

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
2018-08-228H23016-02ND
2018-11-138K15056-01ND
2019-08-199080661-01ND
2020-03-3021991371.00ND
2020-03-3021991372.00ND
2020-03-3021991373.00ND
2020-08-0422967120.00ND
2021-02-1524027741.00ND
2021-03-0824214574.00ND
2021-03-2224214641.00ND
2021-06-0124798983.00ND
2021-08-0325189162.00ND
2021-12-2825914149.00ND
2022-10-2627795519.00ND
2023-07-3129465059.00ND
2023-07-3129465028.00ND
2023-07-3129465079.00ND
2023-07-3129465008.00ND