Essex | Mississippi River | River Thames | Amazon River | Columbia River | Hudson River | Colorado River | Potomac River | river | Ohio River | Missouri River | Delaware River | Murray River | River Tyne | Madeira River | Volga River | River Nene | River Clyde | River Trent | River Severn | Amur River | River Wear | Allegheny River | University of Essex | Red River | Dnieper River | Yarra River | Paraná River | David Essex | River Tees |
The bodies subsumed included the Metropolitan Water Board, the Thames Conservancy, the Lee Conservancy Catchment Board and parts of the Essex River Authority and the Kent River Authority which had formerly regulated the north bank and the south bank of the River Thames estuary.