Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

El Dorado Utility District

1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND30ND
2022ND40ND
2023ND20ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 7 ppb

The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-05-23AE27472ND
2018-05-23AE27494ND
2019-11-07AE88917ND
2019-11-07AE88949ND
2020-09-03AF26496ND
2020-09-03AF26498ND
2021-07-28AF63797ND
2021-07-28AF63803ND
2021-11-01AF75259ND
2022-03-25AF90742ND
2022-03-25AF90744ND
2022-05-23AF98024ND
2022-08-23AG10530ND
2023-06-29AG46796ND
2023-06-29AG46798ND