The U.S. Environmental Protection Agency has proposed a consent decree under which the former owners of Alabama Plating Co. Inc., property now deemed an EPA Superfund site, will pay the government $720,000 toward cleanup costs as a result of hazardous substances left behind when the facility closed.

The EPA sued the estate of James M. Rowe Jr. and James M. Rowe III in August 2008, seeking to recover costs of cleaning up the site in Vincent, Ala.

The Alabama Plating Superfund Site comprises a main facility...