Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

West Burlington Muni. Water Supply

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019N/A00N/A
20200.500 ppb110.500 ppb
20210.775 ppb440.700 ppb - 0.900 ppb
20220.667 ppb660.500 ppb - 0.900 ppb
2023N/A00N/A

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
2020-10-21OE13581770.500 ppb
2021-01-13OE15453720.700 ppb
2021-01-13OE15453730.900 ppb
2021-10-20OE19003090.700 ppb
2021-10-20OE19003100.800 ppb
2022-04-20OE20855490.900 ppb
2022-04-20OE20855500.800 ppb
2022-07-13OE21347230.600 ppb
2022-07-13OE21347240.500 ppb
2022-10-19OE21932250.700 ppb
2022-10-19OE21932260.500 ppb