Partner Project Sites are sites that have been protected in the Nippersink Watershed since the establishment of Hackmatack National Wildlife Refuge through the work of Ducks Unlimited, Friends of Hackmatack, McHenry County Conservation District, The Land Conservancy of McHenry County, Illinois Department of Natural Resources, The Conservation Fund and the United States Fish and Wildlife Service. Site boundaries are based on parcel boundaries courtesy of McHenry County. Updated May, 2024.