Wisconsin Statutes Environmental Regulation (Ch. 280 to 299) § 283.85. Design of publicly owned treatment facilities

(a) The recycling of sewage pollutants by using them in agriculture, silviculture or aquaculture;

(b) The confined and contained disposal of those pollutants not recycled;

(c) The reclamation of wastewater;

(d) The ultimate disposal of sludge in a manner not resulting in environmental hazards; and

(e) The integration of facilities for sewage disposal with other facilities designed to dispose of solid waste and thermal pollution, for the purpose of producing revenues in excess of cost in the operation of the integrated facility.

(a) Adequate analysis and data establishing that the works or modification is the most cost efficient method of meeting limitations and standards required of the facility; and

(b) A feasibility plan on using ultimate disposal of pollutants to land rather than to air or the waters of the state.