Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Sierra Cedars Community Services District

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
2018ND10ND
2019N/A00N/A
2020ND10ND
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
2018-12-20CA1010052_008_008-201812201335ND
2020-03-24CA1010052_006_006-202003241045ND
2022-11-15CA1010052_004_004-202211151135ND
2023-10-18CA1010052_001_001-202310180930ND
2023-10-18CA1010052_002_002-202310180905ND