Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Monticello Estates

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND30ND
2020ND40ND
2021ND10ND
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
2019-05-02CC03132-01ND
2019-07-31CC09246-01ND
2019-10-14CC15162-01RE1ND
2020-01-27CC20276-01ND
2020-01-27CC20276-03ND
2020-04-22CD02836-01ND
2020-10-07CD14230-01ND
2021-12-01CE14584-01ND
2022-01-31CE19577-01ND
2022-05-10CF03509-01ND
2022-07-19CF09386-01ND
2022-10-20CF13296-01ND
2023-02-15752-3181-1ND
2023-05-16752-7180-1ND
2023-08-08752-10330-1ND
2023-11-28752-14118-1ND
2023-12-06752-14483-1ND