All major work within the Grand River has been completed by the U.S. Army Corps of Engineers, Buffalo District of the Harpersfield Dam Sea Lamprey Barrier project located on the Grand River, in the town of Geneva, Ohio, with funding through the Great Lakes Restoration Initiative and the non-federal partners, April 17, 2020. In partnership with the Great Lakes Fishery Commission, Ashtabula County Metro Parks, and Ohio Department of Natural Resources, Buffalo District has completed construction of a 326 ft solid concrete sea lamprey barrier that replaced the old hollow core dam structure within the Harpersfield Covered Bridge Park.