Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Rockwood Meadows

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

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND30ND
2022N/A00N/A
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 Result
2018-09-17ND
2018-09-17ND
2018-09-17ND
2019-08-07ND
2019-08-07ND
2019-08-07ND
2020-07-22ND
2020-07-22ND
2020-07-22ND
2021-09-07ND
2021-09-07ND
2021-09-07ND
2023-09-05ND
2023-09-05ND
2023-09-05ND