The Perch River Wildlife Management Area is and operated by the New York State Department of Environmental Conservation and is about 8,000 acres in size. The area is located a few miles northwest of Watertown in Jefferson County.
The dam rehabilitation project had an approximate construction cost of $3,000,000 and included work at three sites: Perch River Lower Pool Dam, Perch River Upper Pool Dam, and Stone Mills Dam.
The lower pool work included a concrete spillway design to support a series of six sluice gates and stop logs. A 70-foot-span vehicular access bridge was designed along with hundreds of linear feet of steel sheet piling cutoff walls, cofferdams, and excavation protection systems.
The upper pool work included a concrete spillway design to support a series of four sluice gates and stop logs. A 40-foot-span pedestrian access bridge was designed along with hundreds of linear feet of steel sheet piling cutoff walls, cofferdams, and excavation protection systems.
The Stone Mills work included a concrete head wall design to support two existing culverts.
