The Lower Connecticut River Valley Council of Governments, also known as "RiverCOG", came into existence in 2012 following the merger of the Connecticut River Estuary Regional Planning Agency and the Midstate Regional Planning Agency. The Council is headed by the seventeen Chief Elected Officials of the seventeen member towns, which include Chester, Clinton, Cromwell, Deep River, Durham, East Haddam, East Hampton, Essex, Killingworth, Lyme, Middlefield, Middletown, Old Lyme, Old Saybrook, Portland and Westbrook.
The RiverCOG is responsible for the region's transportation planning utilizing funding provided by the Federal Highway Administration and the Federal Transit Authority. Funds come through the Connecticut Department of Transportation and can only be used in the region with the approval of the RiverCOG Metropolitan Planning Organization, a board comprised of the seventeen Chief Elected Officials plus several other outside members including the Executive Directors of the region's two Transit Districts.
Other services provided by the RiverCOG include the administration of the Regional Household Hazardous Waste and Paper Shredding programs, administration of the Connecticut River Gateway Commission, administration of the Lower Connecticut River Valley and Coastal Land Trust Exchange, participation in organizations concerned with housing, the environment and transportation, hosting of organizations including the Shoreline Basic Needs Task Forct, the US Coast Guard Auxiliary, and the Essex Land Trust, coordination between municipalities and state government and many other regional initiatives.
RiverCOG has eleven full time employees and presently has its office at 145 Dennison Road in the Centerbrook section of Essex. After July 31, 2017, RiverCOG offices will be moving to a new location at 7 Island Dock Road in Haddam across Route 154 (Saybrook Road) from the entrance to Haddam Meadow State Park.