 As some of these mining and industrial enterprises in the Township have closed, new industry has located in the Township such as the DBT National Headquarters.The Arden Landfill is located in the Township and the Department of Environmental Protection has issued a major permit modification to Arden Landfill Inc., authorizing an expansion of the existing municipal landfill in Chartiers Township from 280 acres to 434 acres.Historically, the Township is best known for the two important cultural amenities of the Washington County Fairgrounds and the Pennsylvania Trolley Museum.