Water and wastewater services provider Aqua America ( WTR) acquired the assets of Souderton, Pa.-based wastewater and septage hauling company Charles M. Perna for $5.6 million. The company expects the transaction to be immediately accretive to earnings. Aqua will continue to operate the business out of Perna's existing headquarters in Montgomery County, Pa. The acquired assets include nearly 50 waste hauling vehicles, as well as customer lists, office equipment and customer contracts. Aqua said that the acquisition will increase its growing waste hauling business share to about 2% of the company's annual sales. ''This new acquisition is not only consistent with Aqua's strategy to grow in the wastewater business, but it also serves as a platform on which to further expand the wastewater hauling business within our Pennsylvania base,'' Bryn Mawr, Pa.-based Aqua said.