Wastewater solutions provider welcomes RSM to better serve clients in the Southeastern US
ROSEDALE, Md. (May 7, 2026) –Process Wastewater Technologies LLC (PWTech), an American manufacturer of wastewater equipment, welcomes Preston Campbell as sales manager for the Southeastern US. Preston brings more than 30 years of water and wastewater industry experience and will provide support for municipal and industrial treatment facilities across the region. The strategic hire is a response to a sharp increase in demand for high quality treatment systems to meet evolving environmental requirements.
“We are very excited to have Preston on the team,” said Alex Davey, PWTech president. “I’ve known him for years and believe he will be a great addition to our growing team. Preston’s experience in the marketplace will help our customers during this time of accelerating change.”
Preston has held positions in operations, technical services and sales with equipment technologies that include dynamic weighing equipment, dry and liquid chemical feed equipment and sludge handling pumps. He spent the last 25 years as VP Sales and Marketing for Penn Valley Pump Co., LLC.
Preston, who holds a bachelor’s degree in business and an MBA from Florida State University, will be focused on the PW Tech volute presses and thickeners in his territory, introducing their capabilities to new utilities and supporting existing clients.
About PWTech
Process Wastewater Technologies LLC (PWTech) is a leading American manufacturer and supplier of unique technologies for use in the water and wastewater industries. It is best known for the Volute™ technology for sludge thickening and dewatering, as well as a number of screening products utilized in the CSO/SSO market.
PWTech undertakes manufacturing in the USA utilizing using only American produced stainless steel (no carbon steel) for the manufacture of its products. Few other manufacturers in the industry can make this claim.