Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Hohenwald Water System

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

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND20ND
2020N/A00N/A
2021ND20ND
2022ND50ND
2023ND60ND

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 Result
2018-01-11ND
2018-03-27ND
2018-06-26ND
2018-10-18ND
2019-01-09ND
2019-07-10ND
2021-08-12ND
2021-12-15ND
2022-01-28ND
2022-01-28ND
2022-08-26ND
2022-08-26ND
2022-11-10ND
2023-02-09ND
2023-05-09ND
2023-08-08ND
2023-08-08ND
2023-08-21ND
2023-11-07ND