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Local Water Supply Plan Template –July 8, 2016 <br /> <br />13 <br /> <br />Table 6. Water sources and status <br />Resource Type <br />(Groundwater, <br />Surface water, <br />Interconnection) <br />Resource Name MN Unique <br />Well # or <br />Intake ID <br /> Year <br />Installed <br />Capacity <br />(Gallons <br />per <br />Minute) <br />Well <br />Depth <br />(Feet) <br />Status of Normal <br />and Emergency <br />Operations (active, <br />inactive, <br />emergency only, <br />retail/wholesale <br />interconnection)) <br />Does this Source <br />have a Dedicated <br />Emergency Power <br />Source? (Yes or <br />No) <br />Interconnection City of Roseville n/a n/a 19,445 n/a Wholesale <br />Interconnection <br />Yes <br />Limits on Emergency Interconnections <br />Discuss any limitations on the use of the water sources (e.g. not to be operated simultaneously, <br />limitations due to blending, aquifer recovery issues etc.) and the use of interconnections, including <br />capacity limits or timing constraints (i.e. only 200 gallons per minute are available from the City of Prior <br />Lake, and it is estimated to take 6 hours to establish the emergency connection). If there are no <br />limitations, list none. <br />The City has an agreement with the City of Roseville that the water supplied at interconnections will be at Roseville’s <br />line pressure and that Arden Hills shall provide supplemental pumpage to meet pressure requirements for the Arden <br />Hills system. <br /> <br />D. Future Demand Projections – Key Metropolitan Council Benchmark <br />Water Use Trends <br />Use the data in Table 2 to describe trends in 1) population served; 2) total per capita water demand; 3) <br />average daily demand; 4) maximum daily demand. Then explain the causes for upward or downward <br />trends. For example, over the ten years has the average daily demand trended up or down? Why is this <br />occurring? <br />The historic trend shows a consistent increase in population served within the City of Arden Hills. As the population <br />served increased, the total number of connections also increased. <br />The City has seen an overall decreasing trend in total per capita and average day water demands which can be <br />observed from Table 2. Since the City is not able to record the amount of water pumped on individual days, trends <br />in maximum daily demands are not available. It is likely that improved appliances, decrease in irrigation, general <br />attitude towards conservation, rainfall and climate play a much larger role in water usage than other factors. <br /> <br />Use the water use trend information discussed above to complete Table 7 with projected annual <br />demand for the next ten years. Communities in the seven-county Twin Cities metropolitan area must <br />also include projections for 2030 and 2040 as part of their local comprehensive planning. <br />Dr <br />a <br />f <br />t <br /> <br />11 <br />/ <br />2 <br />0 <br />/ <br />2 <br />0 <br />1 <br />7