Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Quint-mar Water Authority

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

 

14

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
2019ND60ND
2020ND10ND
2021N/A00N/A
2022ND70ND
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
2019-02-05AB32814ND
2019-02-05AB32815ND
2019-02-05AB32816ND
2019-02-05AB32817ND
2019-02-05AB32818ND
2019-04-17AB34289ND
2020-07-20AB43480ND
2022-07-20AB60412ND
2022-07-20AB60413ND
2022-07-20AB60414ND
2022-07-20AB60415ND
2022-07-20AB60416ND
2022-07-20AB60417ND
2022-07-20AB60418ND