Tom Schueler Barry Tonning is a senior water resource planner specializing in decentralized wastewater treatment, stormwater management, water resource planning, and technology transfer. He has provided support to U.S. EPA's Office of Wastewater Management, Office of Research and Development, and various states and municipalities in developing wastewater and stormwater programs, watershed management plans, and training programs focused on a wide range of water resource management issues.