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March 30, 2016 <br />Page 2 <br />Table 2: Lino Lakes Storage Capacity <br />Tower <br />1 <br />Capacity (gal) <br />1,000,000 <br />2 <br />1,000,000 <br />Total <br />2,000,000 <br />Average Day Demand <br />1,390,000 <br />Fire Fighting Reserve <br />315,000 <br />Remaining Capacity <br />295,000 <br />Water Demand <br />To determine the system's ability to support development, average day water demand, maximum day <br />water demand, and water -use patterns were considered. The total annual pumping was divided by the <br />number of residential connections to estimate the per unit demand on an average day. A similar <br />calculation evaluated the per unit demand on the maximum day. The City's average day demand from <br />2013 to 2015 was 303 gallons per unit, and the maximum day demand was 911 gallons per unit. These <br />values are used to estimate the capacity for development. <br />Development Capacity <br />To determine how many additional units can be supported on the existing system, both water storage <br />and supply were considered. Results show that with the addition of Well No. 6, the water supply will be <br />sufficient for approximately 1,650 average -use homes after Mattamy is connected, while water storage <br />should be upgraded upon the addition of 104 average -use homes. Therefore, water storage will be the <br />limiting factor in terms of development. Table 3 summarizes the predicted capacity after the Mattamy <br />development is fully connected. <br />Table 3: Development Capacity <br />Availability <br />Total Capacity <br />Water Towers <br />2,000,000 gal <br />ProductionWater <br />6,264,000 gpd <br />Remaining Capacity <br />295,000 gal <br />2,304,000 gpd <br />Mattamy Demand* <br />264,000 gal <br />793,000 gpd <br />Capacity Available <br />31,000 gal <br />1,511,000 gpd <br />Number of Additional Residential Units <br />104 units <br />1,650 units <br />K:\02029-520\Admin\Docs\Water System\Appendix B - System Capacity.docx <br />