The Flood and Water Management Act 2010 (Commencement No. 2) (Wales) Order 2018 (SI 2018/557)

Comes into force: 2nd May 2018 and 7th January 2019

Commences: The Flood and Water Management Act 2010

Mini summary of the 2010 Act

This Act introduces requirements relating to the management of risks in connection with flooding and coastal erosion. They introduce strategies for flood and coastal erosion risk management, establish regional flood and coastal committees, requires the use of suitable drainage, introduce a new set of reservoir safety rules amongst other things.


For the purpose of making subordinate legislation, this order brings into force on 2nd May 2018 Section 32 (sustainable drainage) and Schedule 3 (sustainable drainage) of the 2010 Act. The remaining requirements of Section 32 and Schedule 3 come into force on 7th January 2019.

Sustainable drainage systems slow the rate of surface water run-off and improve infiltration with the aim of reducing damage from flooding, improving water quality, protecting the environment and health and safety, and ensuring the stability and durability of drainage systems.

Schedule 3 introduces standards for the design, construction, maintenance and operation of new rainwater drainage systems. It also introduces an approving body, which will generally be a utility, county or county borough local authority, who will be required to approve most types of rain-water drainage systems before any construction work with drainage implications can start.

Link to legislation.gov.uk