Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Sierra Mutual Water Company

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

 

6

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
2020ND20ND
2021N/A00N/A
2022ND20ND
2023N/A00N/A

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
2019-07-01CA5403110_001_001-201907010815ND
2019-07-01CA5403110_002_002-201907010830ND
2020-12-13CA5403110_002_002-202012131055ND
2020-12-13CA5403110_001_001-202012131045ND
2022-09-05CA5403110_001_001-202209052000ND
2022-09-05CA5403110_002_002-202209052015ND