Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Lafourche Water District 1

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
2018ND20ND
2019ND40ND
2020ND20ND
2021ND20ND
2022ND20ND
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
2018-01-2535370415009ND
2018-01-2535370415009ND
2019-01-2935445082001ND
2019-01-2935445082001ND
2019-02-1835449374001ND
2019-02-1835449374001ND
2020-01-2235526013001ND
2020-01-2235526013002ND
2021-03-1135619276001ND
2021-03-1135619285001ND
2022-03-0235701429001ND
2022-03-0235701432001ND
2023-02-2735782418001ND
2023-03-2735789305001ND