Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Village of West Sullivan

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

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND10ND
2021ND30ND
2022ND30ND
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
2020-09-022013146ND
2021-08-042116088ND
2021-12-152118918ND
2021-12-152117223ND
2022-03-232121713ND
2022-08-242214926ND
2022-12-132219745ND
2023-11-292303524ND
2023-11-292223414ND
2023-11-292313479ND
2023-12-202319957ND