40 River Severn.E+W
This Act applies to the dams constructed by the Severn Commissioners under the M1Severn Navigation Act 1842 and the M2Severn Navigation Act 1853 and now vested in the British Waterways Board, and to all fish passes in those dams; and it shall accordingly be the Board’s duty, subject to the provisions of this Act and to section 23 of the M3Severn Navigation Act 1881 (by virtue of which they have power to stop up the passes with the agreement of the water authority for the area) to maintain those passes in an efficient state.