The investigation on the Lower Platte River Basin included: The extent, types and major sources of pollution; A review of existing laws and pending legislation regarding pollution of public waters in the State of Nebraska; Information regarding the bacteriological quality of water at present and proposed diversion points and in existing irrigation canals; minimum stream flows below the reservoirs necessary for water supply and sanitation purposes with present and contemplated pollution; quality of water for municipal and other public uses; possible benefits to pollution abatement by reservoir releases; and, existing plans and further recommendations for pollution abatement.