Commentary Part 1.Water Industry Sustainable drainage Section 21: Drainage systems relieving public sewers
133.This section introduces a new section 114A of the WIA to confirm sewerage undertakers have the power to construct, maintain and operate drainage systems for the purpose of reducing the volume of surface water entering public sewers or the rate at which it does. The section also excludes drainage systems constructed under the section from the adoption duty imposed by Schedule 3 to the Flood and Water Management Act 2010.