Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Port Sulphur Water District

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

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND40ND
2020ND30ND
2021ND40ND
2022ND10ND
2023ND40ND

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
2018-01-3035371297001ND
2018-01-3035371297001ND
2019-02-0535446733001ND
2019-02-0535446733001ND
2019-05-3035472024001ND
2019-05-3035472024001ND
2020-03-1035536681001ND
2020-03-1835538502001ND
2020-11-1835593410001ND
2021-03-0135615732001ND
2021-03-0135615734001ND
2021-09-1335663084001ND
2021-10-2635673864001ND
2022-01-1335690764001ND
2023-02-0135777177001ND
2023-10-0335831861001ND
2023-10-0535832714001ND
2023-10-1135834155001ND