Nesbitt Reservoir is located on Pennsylvania Route 502 in Spring Brook Township, Lackawanna County, Pennsylvania. The reservoir is managed and protected by the Pennsylvania American Water Company (PAWC). It provides a fresh water supply to approximately 1,100 area residents and is situated on Spring Brook, the second-largest tributary to the Lackawanna River. Spring Brook begins near Yostville, Pennsylvania and flows 17 miles (27 km) to its confluence with the Lackawanna River in Moosic, Pennsylvania.