Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Hca Roan Filter Plant

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND20ND
2021ND40ND
2022ND10ND
2023ND50ND

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
2018-10-308111439-01ND
2019-10-249105284-01ND
2020-06-1722436155.00ND
2020-10-1923201736.00ND
2021-01-0723731036.00ND
2021-04-0824266641.00ND
2021-07-0124848284.00ND
2021-10-2025424854.00ND
2022-05-2626669374.00ND
2023-02-2828541389.00ND
2023-05-0228921499.00ND
2023-05-2428921755.00ND
2023-08-2229719416.00ND
2023-11-1430089982.00ND