(1) Provide for the people of the state adequate supplies of quality water for municipal, industrial, agricultural, recreational, and domestic purposes, water for navigation, and access to the state's lakes and streams, parks, and other recreational sites along their shores;
(2) Reclaim, preserve, and protect the state's land resources and adequately protect the wealth of the state from disastrous floods; and
(3) Collect or treat sewage, including without limitation, wastewater treatment plants, intercepting sewers, outfall sewers, force mains, pumping stations, instrumentation and control systems, and other appurtenances necessary or useful for the collection, removal, reduction, treatment, purification, disposal, and handling of liquid and solid waste, sewage and industrial waste, and refuse.