Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Duncannon Municipal Water

1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.

 

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): 70 ppb

The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted 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
2020-03-3021991353.00ND
2020-03-3021991354.00ND
2020-03-3021991355.00ND
2020-08-0422967114.00ND
2021-02-1524027735.00ND
2021-03-0824214568.00ND
2021-03-2224214635.00ND
2021-06-0124798977.00ND
2021-08-0325189156.00ND
2021-12-2825914143.00ND
2022-10-2627795513.00ND
2023-07-3129465054.00ND
2023-07-3129465023.00ND
2023-07-3129465074.00ND
2023-07-3129465003.00ND