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3. Conclusions <br />The City has revowed and considered iltcnutive methods of sewage treatment <br />and disposal prior to construction of each and every municipal sewer project in the last <br />15 years. <br />None of the identified alternatives provides a sewage treatment system with the <br />permanence of municipal sewer. The factors considered include: <br />-Technical feasibility/sitc availability <br />-Long term reliability <br />-Individual maintenance requirements <br />-City maintenance requirements <br />-Technical limitations <br />-Public acceptance <br />-Cost <br />-Financial and environmental risk <br />For existing neighborhoods adjacent to lakes, and tor those neighborhoods <br />historically developed with lot sizes less than the 2 acres of dry buildabic land needed <br />to support septic systems on a long term basis, municipal sewers are the preferred <br />method of sewage disposal. <br />C. Orono Schoob and Hockey Arena Site (Proposed MUSA Part XXIX) <br />The Orono Schools campus is a 15'^-acre site north of the intersection of U.S. <br />Highway 12 and Old Crystal Bay Road. The campus contains Schumann Elementary <br />School, the Orono Midjle School. Orono High School and the District 278 <br />Administrative Offices, as well as numerous athletic facilities and playing fields. <br />Of this 157 acres, only 91 acres arc currently within the MUSA, consisting of <br />51 acres east of Old Crystal Bay Road and 40 acres on the west side. Of the remaining <br />non-MUSA 66 acres (all west of Old Crystal Bay Road). 10 acres are wetland and 56 <br />acres contain various sports facilities, campus maintenance buildings, a nature study <br />area, and the high school cafeteria wing. <br />The proposed amendment includes addition to the MUSA of this remaining 56 <br />non-wetland acres. This acreage abuts Orono's current MUSA Part 11 which was <br />originally established by the City Council via Resolution No. 1135 on April 14, 1980. <br />Part II incorporated developed portions of the campus, but the legal description did not, <br />for unknown reasons, include the cafeteria wing or maintenance buildings. <br />As the Sm.ooI District s needs increa.se, the probability exists that new school <br />facilities will oe proposed within areas of the campus not currently within the MUSA. <br />,\n immediate need is to provide sewer service for a proposed hockey arena just north <br />of the high school. This arena is anticipated to be constructed in 1996 as a joint effort <br />of the Orono Schools and the Orono Hockey Association. School District lands <br />currently within the MUSA are either not suitable for the arena or have been planned <br />for other uses.