Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Ashford Highlands Mutual Water Company

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
2018N/A00N/A
2019N/A00N/A
2020ND10ND
2021ND40ND
2022N/A00N/A
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

Date Lab ID Result
2020-12-21CA3500900_004_004-202012211100ND
2021-03-22CA3500900_004_004-202103221030ND
2021-06-21CA3500900_004_004-202106211130ND
2021-09-08CA3500900_004_004-202109081130ND
2021-12-06CA3500900_004_004-202112061100ND
2023-06-05CA3500900_001_001-202306051140ND