Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Honaker, Town of

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.

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND50ND

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
2018-04-23E180307252ND
2018-08-22E180700419ND
2018-12-19E181001665ND
2018-12-27E181206857ND
2018-12-27E181206858ND
2018-12-27E181206859ND
2019-04-08E190308185ND
2019-08-21E190607897ND
2019-11-13E191004918ND
2019-11-13E191004917ND
2020-06-29E200305055ND
2020-07-28E200609584ND
2020-10-14E200905550ND
2020-10-14E200905537ND
2021-07-21E210608121ND
2021-10-12E211001126ND
2021-10-12E211001127ND
2021-12-13E211200845ND
2022-07-19E220609531ND
2022-10-11E221000058ND
2022-10-11E221000054ND
2022-10-11E221000052ND
2023-08-14E230705158ND
2023-09-12E230900046ND
2023-09-12E230900047ND
2023-09-12E230900048ND
2023-10-03E230907423ND