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<br /> <br />r <br /> <br />with excellent bacteriological and chemical records to those <br />with poor records. Based on available data, it is estimated <br />that 20 percent of the Region's population drinks water that <br />does not receive adequate treatment. <br /> <br />o <br />(. ~) <br />l,,'., <br /> <br />stream pollution from discharges of radioactive mill <br />wastes, formerly severe, has, in most cases, been reduced <br />to acceptable levels, Potential radiological hazards <br />associated with uranium tailing piles are presently under <br />study. Air-borne transport of particulate radioactive matter <br />and construction of buildings on tailing piles which emit <br />radon gas are recent problems which have become of concern. <br /> <br />co <br />~ <br />o <br /> <br />In many areas hoards of mosquitos and other noxious <br />arthropods curtail the normal outdoor vocational activities <br />of residents of urban and rural areas, adversely affect the <br />full utilization of recreational areas, have a severe <br />impact upon agricultural and livestock enterprises, and <br />constitute a serious threat to public health. <br /> <br />The disposal of solid waste material will be an ever <br />increasing problem. Sanitary landfills will probably be <br />the main method of solid waste disposal. In order to reduce <br />environmental health hazards proper solid waste management <br />techniques will be needed. Based on a recent survey of ' <br />solid waste disposal sites in the Region, it was reported <br />that of the sites presently in operation, 30 percent had <br />surface drainage problems, 13 percent leaching problems, <br />and 12 percent had fill in the water table. <br /> <br />Air pollution problems are scattered. There exists a <br />number of industrial plants in rural areas that have <br />associated air pollution problems, such as the cement, sugar <br />and alfalfa mills, thermal generating power plants, and the <br />wood product plants with their teepee burners. <br /> <br />Comprehsensive programs for protection of the public <br />health must be developed as water and related land resources <br />development proceeds. There is a need for continuous and <br />close liaison and cooperation between the public health <br />agencies and those concerned with the development and use of <br />water resources, from the early planning stages through <br />construction and operation, <br /> <br />- v - <br />