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shift to urban uses. <br />The City has no intent to further allow for urbanization of <br />the rural zones, and rural development with private sewage <br />treatment systems and water wells on 2 acre and 5 acre lots <br />continues to be a viable and attractive alternative to the <br />denseTf urbanized housing being developed in municipalities <br />immediately to the east of Orono. <br />Regarding rural sewage treatment policies, the City <br />continues to strictly control the design and construction o* on ­ <br />site sewage treatment systems to strict performance standards. <br />Additionally, each new rural residential development continues to <br />be required to provide full site evaluation of each individual <br />proposed building lot, so that the initial and future sewage <br />treatment needs of each homesite can be met on that individual <br />site. The City is proceeding to adopt the Minnesota Pollution <br />Control Agency's Chapter 7080 regulations, ’-»ith minor revisions <br />which will allow Orono ’s more restrictive on-site sewaae treat­ <br />ment provisions to prevail. <br />C. Surface Water Drainage Districts <br />Orono continues to develop under guidelines of the Orono <br />Surface Water Management Plan as indicated in the 1980 <br />Comprehensive Plan. Wetland preservation remains a primary goal <br />and policy of the City, providing for natural storage and <br />filtration necessary to purify storm water runoff. This policy <br />is consistent with Orono's intended rural land use planning <br />philosophy. <br />D. Bscisting Sewage Treatment Facilities <br />Significant changes to metropolitan facilities, municipal <br />facilities, and individual sewage treatment systems have occured <br />since the 1980 Comprehensive Plan was adopted, as follows: <br />1, Metropolitan Facilities. <br />A. Completion of the Orono/Long Lake Interceptor <br />in 1980 resulted in the elimination of nutrient-rich sewer <br />effluent outflows to Lake Minnetonka from the Orono and Long Lake <br />sewage treatment plants. Each treatment plant was replaced with <br />a M.W.C.C. owned and operated pump station.