Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

East Walnut Grove [sws]

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

 

5

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
2019ND20ND
2020N/A00N/A
2021N/A00N/A
2022ND10ND
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
2019-05-09CA3400106_007_007-201905090855ND
2019-08-05CA3400106_001_001-201908051020ND
2022-05-02CA3400106_007_007-202205020830ND
2023-08-15CA3400106_001_001-202308151000ND
2023-08-15CA3400106_007_007-202308151015ND