Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Fairfax

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

 

7

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
2020ND30ND
2021ND20ND
2022ND10ND
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
2018-04-18AD18050-06ND
2020-06-23CF23099-01ND
2020-12-23CL23032-01ND
2020-12-23CL23032-02ND
2021-03-29DC29019-01ND
2021-09-30DI30052-02ND
2022-08-04EH04052-03ND