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William Gollnitz
Senior Environmental Scientist / Riverbank Filtration Specialist

William Gollnitz is a Senior Environmental Scientist with WHPA. He provides expertise in municipal water supply development, protection, treatment and management. During his 36 years in the industry, William has managed water utilities in New York, Rhode Island and Ohio, and has consulted for many others throughout the United States. As a utility manager, he has successfully completed a wide-variety of projects including municipal watershed management for timber harvesting and oil and gas well development; the development of source water protection plans for both surface water and ground water sources, water treatment evaluations including simultaneous compliance issues, and the construction of capital improvements ranging from intake systems, pump houses, unit treatment processes, and distribution storage facilities.

William also specializes in surface water/ground water interactions including “ground water under the direct influence of surface water” (GWUDISW) and “riverbank filtration” (RBF). Since the early 1990s, he has been active in developing and evaluating GWUDISW protocols. This work ultimately led him to the Greater Cincinnati Water Works where he successfully completed an extensive Flowpath Study to develop a method for evaluating the removal of pathogenic protozoa using RBF under various rates of recharge. As a consultant, William has successfully obtained credit for RBF under the Surface Water Treatment Rules for the Central Wyoming Regional Water System in Casper, Wyoming and the City of Kennewick, Washington. In fact, the Casper project is the only case study where the US Environmental Protection Agency has recognized RBF as the primary filtration process in lieu of engineered treatment. The project ultimately saved the utility over $20 million by not having to construct a conventional surface water plant to treat ground water from the well field.

William holds a B.S. degree in Biology from Mount Union College; and a M.S. degree in Environmental Science-Water Resources from the State University of New York, College of Environmental Science and Forestry. He has over twenty-five peer-reviewed publications; two of which have won distinguished awards from the American Water Works Association (AWWA). And, he has given numerous presentations at various water resource conferences in the United States. William has also participated as a presenter in the AWWA’s Webcast – “Riverbank Filtration – The Natural Way”.



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