Board Members are senior officials involved in water management in each of the Member Agencies of the PPWB. Members report directly to their Ministers. The Board is chaired by the Environment and Climate Change Canada Member. Members are responsible to:

1) work cooperatively with one another to achieve the best management of the water resource in the Prairies while representing their own government's interests; 2) ensure that the Board is informed of any potential projects or policies that have the potential to impact another province and, when requested, provide the Board with an analysis of those potential impacts; 3) share with one another policies, programs and practices of mutual interest; 4) liase within government departments or other organizations within their jurisdiction on behalf of the PPWB; 5) ensure services from government agencies required by the PPWB are provided; 6) distribute the PPWB Annual Report within government agencies following its transmittal to Ministers by the PPWB; 7) appoint government representatives to Board Committees; 8) inform senior officials and Ministers about significant issues being considered by the Board, and; 9) provide direction to the PPWB Executive Director and all Board committees.