Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

New Orleans Carrollton Waterworks

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

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND120ND
2020ND30ND
2021ND30ND
2022ND30ND
2023ND30ND

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
2018-03-1535380391002ND
2018-03-1535380391001ND
2018-03-1535380391001ND
2018-03-1535380391002ND
2019-02-2735451098001ND
2019-02-2735451097001ND
2019-02-2735451098001ND
2019-02-2735451097001ND
2019-09-0535495386001ND
2019-09-0535495386003ND
2019-09-0535495386001ND
2019-09-0535495386003ND
2019-09-0535495386002ND
2019-09-0535495386002ND
2019-09-1935499418001ND
2019-09-1935499418001ND
2020-03-2635540024001ND
2020-03-2635540029001ND
2020-03-2635540032001ND
2021-03-2935622307001ND
2021-03-2935622313001ND
2021-03-2935622309001ND
2022-03-1535704706001ND
2022-03-1535704707001ND
2022-03-1535704709001ND
2023-03-0635783931001ND
2023-03-0635783938001ND
2023-03-0635783939001ND