DCVA has worked energetically to support the protection of historic properties, such as the Swedish Cabin and Blue Bell Inn, and has as its ultimate goal the development of a 30-mile greenway system to serve this Watershed’s many highly urbanized communities. DCVA, with assistance from the U.S. Environmental Protection Agency (“USEPA”), also supports a volunteer water quality monitoring program. DCVA continues to work energetically with public and private schools, the Delaware County library system, the Delaware County Environmental Network, the Philadelphia Water Department and the Darby-Cobbs Partnership, the Partnership for the Delaware Estuary(formerly Delaware Estuary Program), the Delaware County Historical Society, the Stroud Water Research Center, the Philadelphia Water Department (“PWD”), and Aqua Pennsylvania(formerly known as Philadelphia Suburban Water Company).