Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Town of Rising Sun

NOTE: Town of Rising Sun purchases water from Chester Water Authority which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Chester Water Authority.

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
2018ND10ND
2019ND10ND
2020ND30ND
2021ND20ND
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

NOTE: Town of Rising Sun purchases water from Chester Water Authority which is required to test for 1,1-dichloroethylene. Sample information shown below was taken by Chester Water Authority.

Date Lab ID Result
2018-01-092287664001ND
2018-05-158012319-01ND
2018-07-128020049-01ND
2019-07-103044796001ND
2020-02-0321499838.00ND
2020-05-0122019659.00ND
2020-07-0122412577.00ND
2021-04-0924244248.00ND
2021-07-2824825577.00ND
2022-04-2926461084.00ND
2022-08-0927230362.00ND
2022-11-0827819909.00ND
2023-07-1229299118.00ND
2023-11-0830068043.00ND
2023-11-1530068562.00ND