Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Ephrata Area Joint Authority

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND50ND
2020ND90ND
2021ND90ND
2022ND100ND
2023ND100ND

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
2018-01-047020609-01ND
2018-01-058000628-01ND
2018-04-098007939-01ND
2018-07-158020415-01ND
2018-10-018028440-01ND
2019-01-028018023-01ND
2019-01-089000133-01ND
2019-04-027004831-01ND
2019-07-027011943-01ND
2019-10-079035881-01ND
2020-01-0321627529.00ND
2020-04-0622168748.00ND
2020-04-1322168801.00ND
2020-04-1322168800.00ND
2020-07-1322753752.00ND
2020-07-1722753829.00ND
2020-07-2122753830.00ND
2020-10-0723319884.00ND
2020-10-1423319961.00ND
2021-02-1224015878.00ND
2021-02-2624015903.00ND
2021-04-0824201057.00ND
2021-04-1424390924.00ND
2021-07-0124976236.00ND
2021-07-0124976237.00ND
2021-07-1624976348.00ND
2021-10-0525545657.00ND
2021-10-0825545728.00ND
2022-01-0526077512.00ND
2022-01-3126077712.00ND
2022-02-0826247113.00ND
2022-04-0426604668.00ND
2022-04-0526604700.00ND
2022-07-1127188738.00ND
2022-07-1227188822.00ND
2022-07-2227188981.00ND
2022-10-1027782893.00ND
2022-10-2527782942.00ND
2023-01-0928307553.00ND
2023-01-2428307785.00ND
2023-01-2428307807.00ND
2023-04-1428855570.00ND
2023-04-1428855569.00ND
2023-07-1129451544.00ND
2023-07-1829451603.00ND
2023-08-2929654928.00ND
2023-10-3130028761.00ND
2023-10-3130028760.00ND