Tybouts Corner is an unincorporated populated place in New Castle County, Delaware, United States.

In 1980, the Environmental Protection Agency filed suit against New Castle County for its mismanagement of the waste disposal.

[7] Jacob Wagner, who owned a home that bordered the landfill, had yellow water in their well, and he subsequently sued the county.

In 1985, residents were concerned after an environmental group charged Formosa with releasing vinyl chloride emissions.

In May 2007, the groundwater was considered to have greatly reduced its contents of contaminants, so the EPA and Delaware Department of Natural Resources and Environmental Control shut down the water pumping wells.