Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Charlie Water Supply Corporation

NOTE: Charlie Water Supply Corporation purchases water from City of Byers which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by City of Byers.

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
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

NOTE: Charlie Water Supply Corporation purchases water from City of Byers which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by City of Byers.

Date Lab ID Result
2018-02-28Q1808442001ND
2019-01-29Q1904438006ND
2020-03-03Q2007975005ND
2021-05-03Q2111518007ND
2022-01-20Q2202091003ND
2023-03-06Q2308688002ND