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-t• • Orono adopted a wetlands preservation ordinance in 1970 based in part on the need to protect and preserve the wetlands as recommended by the Harza .Study. The "Surface Water Management Plan" adopted in 1974, .developed an over-all detailed plan and rationale for the protection and preservation of the wetlands within Orono. A comprehensive guide plan together with a new comprehensive zoning code was also adopted in 1974. All of these plans and ordinances were developed with the protection and preservation of Lake Minnetonka as one of the foremost guiding principles. Based on the above studies and experience, Orono has determined that the cost of Municipal Sewer Service Extention into the Rural Service Area would create such an economic hardship on the land that massive rezoning would be required in order to allow sufficient population to pay the cost of sanitary sewers. Thus, it is Orono's contention that this municipal sewer cost would create a spiral which would force present land owners to subdivide and develop their land to a level of urbanization that would create an even more intolerable nutrient load to the lake than we have today. In conclusion, Orono, when furnishing municipal services, must provide them to be consistent with high environmental standards for the protection and preservation of Lake Minnetonka; for future generations. Therefore, guidance for future development policy for the unsewered areas of Orono Y is to maintain present zoning ordinances, requiring lot sizes of not less than two acres, which is recognized as the minimum capable of sustaining on-site sewage disposal systems in the types of soils located • in Orono. The lower level of urbanization resulting from this development policy will minimize nutrient load to Lake Minnetonka, the surrounding watersheds, and the groundwater supply through a more acceptable quality storm water run-off. Experience indicates the following paradox: The extension of expensive Municipal Sewer Services to reduce pollution to Lake Minnetonka, the surrounding watersheds, and the groundwater supply -generates higher levels of urbanization to pay for these services and this urbanization in turn increases the pollution of Lake Minnetonka to an even higher degree contributed by'storm water run-off. For these reasons and other land use planning factors, Orono will not extend a municipal sewer service to the Rural Service Area within the next 25 years. iii