Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Crystal Farms Water Supply Corporation

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND40ND
2021ND20ND
2022ND20ND
2023ND20ND

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
2018-06-20Q1824485006ND
2019-07-25Q1947858003ND
2019-10-31Q1974664007ND
2020-03-12Q2010438003ND
2020-03-12Q2010438005ND
2020-05-21Q2020365003ND
2020-08-31Q2034597004ND
2021-05-20Q2113262004ND
2021-05-20Q2113262006ND
2022-02-22Q2206222003ND
2022-02-22Q2206222005ND
2023-09-07Q2338597004ND
2023-09-07Q2338597006ND