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commercial and light industrial users on the system. The "other" users category includes <br />government and institutional users. In addition, a certain amount of water in any system <br />is unaccounted for, either through line losses or inaccurate meter reading. <br />Table 2.2 <br />Water Use By Classification <br />City of Ramsey, Minnesota <br />Average <br />Residential 60% <br />Commercial 35% <br />Other 4% <br />Unaccounted 1 % <br />Total 100% <br />E. WATER USE PROJECTIONS <br />Water use projections are typically made on a per capita basis for systems without a <br />significant large water using industry. For the City of Ramsey, future land use <br />development is projected to be similar to existing land use. Thus, historical water use <br />will be utilized to project future water demands. <br />Key concepts used developing water use projections are as follows: <br />1. Residential water use will be projected to be 90 gpcd. This will represent 60% of <br />the total water use in the system. Significant conservation measures will need to <br />be implemented to achieve this level of water demand. <br />2. Commercial water use will be 35% of the total system use. This is equivalent to <br />53 gpcd. <br />3. Other water use will be approximately 4% of the total water use. Conservation <br />measures will be implemented to encourage better use of sprinkler systems. This <br />is equivalent to 6 gpcd. <br />4. Unaccounted water will represent 1% of the total water use. This value is well <br />within the range of acceptable unaccounted water use values according to the <br />American Water Works Association. This is equivalent to 1 gpcd. <br />5. Total gross water use is projected to be 150 gpcd. <br />6. Peaking day water usage is calculated using a peaking factor, which is a ratio of <br />the expected peak day flow over average day flow. Recent history indicates that <br />the peak day to average day ratio has been decreasing over the past 9 years. A <br />peaking factor of 3.0 would typically be utilized for long-term projections of a <br />City of Ramsey, Minnesota — R13.104504 Page 2-3 <br />Comprehensive Water System Study Prepared by Bolton & Menk, Inc. <br />