Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Pittsburgh Water & Sewer 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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND30ND
2021ND30ND
2022ND20ND
2023ND10ND

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
2018-05-0218E0265-01ND
2019-05-2119E2494-01ND
2019-12-1319L1687-01ND
2020-02-0521752606.00ND
2020-05-0522310193.00ND
2020-10-2323270633.00ND
2021-02-0223970435.00ND
2021-06-1024731863.00ND
2021-06-1024731864.00ND
2022-05-0326743754.00ND
2022-05-0326743755.00ND
2023-05-1829001692.00ND