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area. The system is comprised of 29.7 miles of sewer line along with 11 lift stations. (See Figure • 3-A). 2. Water System The City has five wells from which it draws water. One well, located at Jackson Avenue and Fourth Street, is no longer used because of the sand content of the water it produces, and also, there is no treatment on this well. This well should be abandoned in the future. The other four wells are located at Highway 10 at the Chamber of Commerce site, at the Elk River Concrete Products property near the Burlington Northern Railroad, at the Gary Street/U.S. Highway 10 site, and in the Hillside Estates development north of 193rd. Each of the four active wells also has a water treatment plant associated with it for iron removal. Currently, the city fluoridates but does not chlorinate its water. The system also has five water towers, two of which are phased out. The two being phased out are the 100,000 gallon towers located on Jackson Avenue at Fourth Street and at the Elk River Concrete Products site. The other three towers are located near the School Administration Building along U.S. Highway 169 (1 million gallon), Gary Street near U.S. Highway 10, and in the Hillside Estates Addition (500,000 gallon). The pipe network ranges from a maximum size of 24 inches down to 4 inch diameter. The system is comprised of 46.4 miles of watermain. (See Figures 3-B and 3-C). 3. Storm Drainage The City has a Draft Comprehensive Storm Drainage Plan which identifies regional storm sewer • systems and guides the construction of storm drainage facilities within the city. Currently, there are three major districts where facilities have been constructed. These consist of the Central City where a detention pond located in Lion's Park and a pipe network drain the area to the Mississippi River, discharging at the location of Main Street and U.S. Highway 10. The second drainage district is the U.S. Highway 169 Corridor, where some of the trunk lines have been constructed. There are future improvements needed as development continues in this district. The third area is the Western Area of the city. First and second phases of this drain through a large diameter storm sewer to Lake Orono. Other storm sewer facilities in the city consist of smaller diameter pipes, county ditch system, and isolated wetland areas. D. FUTURE PLAN The waste water treatment facility is projected to be expanded to accommodate future growth. This will require expanding the urban service area (Figure 3-D) and a phasing component for a systematic extension of water and sewer services. Expansion of the existing facilities in an orderly manner will serve three purposes: 1) it will allow for urban density expansion in additional parts of the city at a cost effective rate; 2) it will increase the utilization of the sanitary sewer and water facilities, thus spreading costs over a larger population; and 3) allow opportunities for additional commercial and industrial development. All future development within the boundaries of the planned urban service district will require immediate hookup to municipal water and sanitary sewer systems except for the residential area between the Elk River, County Road 35, Meadowvale Road and the western boundary of the city which will require overlay plats for future development. • 2. 5