 At Dirtness, the single electric pump was supplemented by two more in 1951, rated at and each capable of moving 110 tons per minute (161 Mld).Today the watercourses of Hatfield Chase are managed by the Corporation of the Level of Hatfield Chase Internal Drainage Board.They are responsible for the drainage of an area of , and the maintenance of of watercourses, which includes the operation of nine pumping stations.