Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Swta - Main System

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.

 

35

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND50ND
2020ND70ND
2021ND50ND
2022ND50ND
2023ND70ND

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
2018-01-098012152-02ND
2018-04-108042613-02ND
2018-04-108042612-01ND
2018-04-108042612-02ND
2018-04-108042612-03ND
2018-04-108042612-04ND
2019-04-239044997-01ND
2019-04-239044997-02ND
2019-04-239044997-03ND
2019-04-239044997-04ND
2019-04-239044997-05ND
2020-04-1422080213.00ND
2020-04-1422080276.00ND
2020-04-1422080192.00ND
2020-04-1422080171.00ND
2020-04-1422080150.00ND
2020-04-1422080234.00ND
2020-04-1422080255.00ND
2021-04-0624301746.00ND
2021-04-0624301809.00ND
2021-04-0624301767.00ND
2021-04-0624301788.00ND
2021-04-0624301830.00ND
2022-05-3126899444.00ND
2022-05-3126899507.00ND
2022-05-3126899465.00ND
2022-05-3126899486.00ND
2022-05-3126899528.00ND
2023-04-0428761051.00ND
2023-04-0428761048.00ND
2023-04-0428761053.00ND
2023-04-0428761052.00ND
2023-04-0428761050.00ND
2023-04-0428761049.00ND
2023-12-1230296268.00ND