High Quality Content by WIKIPEDIA articles! Water management is the activity of planning, developing, distributing and optimum use of water resources under defined water polices and regulations. It may mean: management of water treatment of drinking water, industrial water, sewage or wastewater, management of water resources, management of flood protection, management of irrigation, management of the water table. Water Research is a journal of the International Water Association, and publishes research on the science and technology of water quality and its management.