http://www.legislation.gov.uk/ukpga/2010/29/section/32/enactedFlood and Water Management Act 2010Risk managementLand drainageFloodingUnitary authoritiesCoastal erosion and protectionenKing's Printer of Acts of Parliament2011-07-04Part 2Miscellaneous32Sustainable drainageSchedule 3 (sustainable drainage) shall have effect.