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It should be noted that the average lot size within the areas to be included in the <br />MUSA is 1.3 acres, as compared to an average lot size of 2 to 3 acres for all <br />new residential development occurring in unsewered areas of Orono since 1975. <br />Further, it should be noted that of 193 units proposed, only 4 units would be <br />allocated to vacant lots. It haf been and continues to be the City's position that <br />sewering these neighborhoods shall not result in provision of capacity for new <br />development . <br />B. Alternatives Considered <br />1. Identification of Alternatives - A number of alternatives to the continued <br />use of standard on-site sewage treatment systems were considered, <br />including installation of municipal sewers. The alternatives included: <br />a. Demolition. Removal of homes that have neither acceptable on-site <br />systems nor available alternate drainfield sites. <br />b. "Alternative Systems" and "Experimental Systems" which might <br />include: <br />O Confo rming design/substandard capacity systems on lots with <br />minimal space, using holding tanks as an overflow mode. <br />O Surface discharge systems (home plants). <br />O Aerobic tank systems with reduced capacity conforming <br />drainfields. <br />c. Holding tanks. <br />d. STEP systems (Sewage Tank/Effluent Pump) - each home has a <br />septic tank with effluent pump discharging to a shallow small <br />diameter force-main leading to City sewer system. <br />e. Neighborhood collector system with community drainfield. <br />f. Enforced flow reductions (retro-fit v/ith low water use fixtures). <br />1 <br />i