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t- <br />County Road 15. The injector station discharges directly to the <br />Orono interceptor in County Road 15. <br />F. COUNTY ROAD 15/MARINAS SYSTEM (1900). This system <br />consists of laterals and an injection station discharging <br />directly to the Orono interceptor. This system serves 3 <br />residential units and 2 marina operations. <br />G. MINNETONKA BLUFFS/WEST FERNDALE SYSTEM (1980). This <br />project consists of gravity laterals, low-pressure, small <br />diameter forcemains, and an injector system discharging to the <br />Orono/Long Lake interceptor. This system currently serves 52 <br />residential units, with capacity for additional units. <br />Map 1 indicates the various component sections of the <br />Orono sewer system. <br />3. Individual systems. <br />Individual privately owned and operated on-site facilities <br />continue to provide safe and adequate sewage treatment for <br />properties located in Orono's rural service area. The City <br />continues to maintain a complete inventory of existing on-site <br />sewage treatment systems. The current inventory of system users <br />is summarized in the following table: <br />Existinq On-Site Sewage Treatment Systems <br />1980 1991 <br />Residential <br />Residentia1-sea sona1 <br />Churches <br />Retail <br />Boarding Kennel <br />930 <br />50 <br />4 <br />4 <br />1 <br />5 <br />1 <br />1 <br />Golf Courses <br />Conference Center <br />City Offices <br />Day Care <br />1 <br />2 <br />1 <br />1,095 (includes farmsteads) <br />55 (cabins-most on Big Island) <br />(2 with daycare operations) <br />(mar)cet at Hwy 12/County Rd 6) <br />(approved for sewer per Comp <br />Plan Amendment #1 in 1987 but <br />never connected) <br />(2 of 4 have clubhouse connected <br />to sewer, maintenance operations <br />on septic) <br />(Spring Hill - use varies) <br />(5 days/wee)0 (2 separate bldgs) <br />1 <br />2 <br />1 <br />Total On-Site Osets 997 1,165