The headquarters were situated in the city of Lom and the responsibilities of the Service were related to the maintenance of the waterway, creation of maps of the Danube River, conduction of hydro meteorological surveys in the Bulgarian section of the river.
Danube | Mississippi River | River Thames | Central Intelligence Agency | Amazon River | Columbia River | Hudson River | Colorado River | Potomac River | river | Ohio River | Chief Executive Officer | National Security Agency | Missouri River | European Space Agency | Delaware River | Murray River | River Tyne | International Atomic Energy Agency | Madeira River | chief executive officer | United States Environmental Protection Agency | Volga River | River Nene | River Clyde | River Trent | River Severn | Amur River | River Wear | Federal Emergency Management Agency |