 The installation of the fish bypass on the Tingue Dam in Seymour leaves only the Plume and Atwood Dam in Thomaston as the last barrier on the river to fish migration.The State of Connecticut Department of Energy and Environmental Protection (DEEP) stocks surplus Atlantic salmon ("Salmo salar") from the Connecticut River restoration effort in the Naugatuck River each fall.DEEP also stocks several salmonid species including native brook trout ("Salvelinus fontinalis") and non-native sea-run brown trout ("Salmo trutta") and rainbow trout ("Oncorhynchus mykiss").