Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Gretna Waterworks

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

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND40ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND10ND

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
2018-01-3035371297005ND
2018-01-3035371297005ND
2019-02-2735451146001ND
2019-02-2735451146001ND
2019-09-0535495388001ND
2019-09-0535495388001ND
2020-03-1835538511001ND
2021-12-0835683666004ND
2022-01-1335690761001ND
2023-02-0135777180001ND