Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Earlham Municipal Waterworks

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.

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.675 ppb440.600 ppb - 0.700 ppb
20190.700 ppb770.500 ppb - 0.900 ppb
20200.600 ppb550.600 ppb
20210.580 ppb550.500 ppb - 0.800 ppb
20220.560 ppb550.500 ppb - 0.600 ppb
20230.600 ppb770.500 ppb - 0.700 ppb

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