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The area within the 2030 MUSA consists of an estimated total developable area of 3,455 acres of <br />which 2,822 acres are south of Trott Brook and 633 acres of north. The combined average sewer <br />flow at full development of the 2030 MUSA is 2.202 mgd. <br />An existing 30-inch interceptor sewer receives the sewer flow from this district. The Northwest <br />Trunk Sewer was extended from the interceptor in 2006 to extend service to the central portion <br />of the City. Smaller local trunk and lateral sewers are proposed to serve local sub -districts. <br />G. MISSISSIPPI RIVER SEWER DISTRICT <br />This district consists of about the southwesterly half of the City. It also includes areas both north <br />and south of Trott Brook as shown on Figure 1. The district includes an estimated 4,641 acres <br />and 1,527 acres of developable property south and north of Trott Brook, respectively. The <br />combined average ultimate sewer flow at full development of the entire District is 3.741 mgd. <br />The area within the 2030 MUSA consists of an estimated total developable area of 2,353 acres <br />which is all south of Trott Brook. The combined average sewer flow at full development from the <br />2030 MUSA is 2.665 mgd. <br />An existing 30-inch interceptor sewer receives flow from this district. Small trunk and lateral <br />sewers are proposed to serve the local sub -districts. <br />H. 2020 AND 2031 GROWTH PROJECTIONS <br />The projected residential growth, as estimated by City staff, is 260 units per year from 2012 <br />through 2031. This results in an additional 4,940 residential units by 2031. The estimated <br />development of commercial, industrial and office land use property is presented in Table 5.4, <br />Land Use staging in 5-year increments. This table projects a uniform development rate of 25 <br />acres per year for the period 2012 to 2030, or a total of 475 acres. The anticipated development <br />"hot spots", as determined by City staff, are shown on Figure 1. Based on the above development <br />City of Ramsey Page 2-10 <br />Comprehensive Sanitary Sewer Plan - 2012 Prepared by Bolton & Menk, Inc. <br />