Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

City of Hermiston

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

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND40ND
2021ND10ND
2022ND20ND
2023ND10ND

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
2018-04-03180403J-VND
2019-04-11904120301-VND
2020-06-02006032202-VND
2020-06-02006032201-VND
2020-06-02006032203-VND
2020-06-02006032204-VND
2021-06-09106101201-VND
2022-06-13T2F1307-05-VND
2022-11-162111725-01-VND
2023-11-08T3K0806-01-VND