Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Paw Penn District

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.

 

56

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND100ND
2020ND110ND
2021ND80ND
2022ND80ND
2023ND110ND

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
2018-01-1138161501ND
2018-01-1138161101ND
2018-01-1138161401ND
2018-01-1138161301ND
2018-01-1138161201ND
2018-04-1139072601ND
2018-07-1640207301ND
2018-10-1741961701ND
2019-01-0942499201ND
2019-01-0942499601ND
2019-01-0942499501ND
2019-01-0942499401ND
2019-01-0942499301ND
2019-04-0143658101ND
2019-07-0845016101ND
2019-07-1545716201ND
2019-10-0746831501ND
2019-10-3143999801ND
2020-01-0621542688.00ND
2020-01-0621542536.00ND
2020-01-0621542646.00ND
2020-01-0621542604.00ND
2020-01-0621542625.00ND
2020-01-0621542557.00ND
2020-01-0621542578.00ND
2020-01-1521542667.00ND
2020-05-0622261493.00ND
2020-08-1722843890.00ND
2020-10-0823224111.00ND
2021-01-1423754059.00ND
2021-01-1423754038.00ND
2021-01-1423754101.00ND
2021-01-1423754080.00ND
2021-04-1424290659.00ND
2021-04-2124290988.00ND
2021-07-0124873771.00ND
2021-10-0625448158.00ND
2022-01-0525982973.00ND
2022-01-0525982910.00ND
2022-01-0525982929.00ND
2022-01-0525982933.00ND
2022-01-0525982872.00ND
2022-04-0626506758.00ND
2022-07-0527082963.00ND
2022-10-0627684630.00ND
2023-01-0528212789.00ND
2023-01-0528212888.00ND
2023-01-0528212867.00ND
2023-01-0528212809.00ND
2023-01-0528212830.00ND
2023-01-0528212776.00ND
2023-01-0528212894.00ND
2023-04-1328749306.00ND
2023-06-0729155727.00ND
2023-07-2029346697.00ND
2023-10-1229928197.00ND