01-17-2001 Planning Packet - Laserfiche WebLink

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1.4 Population Projections Ofono hos experienced o steady gtov/fh ovei tne post thirty yeors Tne population hos increosed trom 5.643 in 1960. to 6,787 in 1970, to 6,845 in 1980, to d 1990 population of 7.285. Ihe City is expected to continue its growth. ToDte l dep cts tne summary of recent populotion proiecfions. Table 1.1 Summary of Recent Population Projections Responsible i 1990 Entity j Census 2000 2010 City of Orono 7.285 7600 8000 Hennopin County 7.285 7.847 8.228 ItetropoUtan Council 7.285 7.800 8 350 2020 8.600 N'A 3.8S0 The populotion projections for the City were token from the 1995 Comprehensive Plan Both the Hennepin County and Metropolitan Council projections were developed in 1992 The Citys populotion grew ot on overage onnuoi rote of 44 people ounng the post ten yeors ond is expected to increose to 52 peop'o per yeor over the next ten years (according to Metropolitan Council estimates). A 1.5 Water Quantity stormwater dromoge facilities ore on essentiol port of the development of ony municipality. As on area develops from ruro! uses to urbon uses, culverts ond droinogewo.s that were odequote for rural runoff become overiooded and flooding occurs, frequently resulting m property domoge. atyofOmno Dratt Suffice Water Management Plan 1-4 IrmrPxoon I One of the ptimory functions of on urban storm drolnoge system is to reduce economic loss one inconvenience due to periodic flooding of streets, buildings and low-tying oreos Cities invest in surfoce water focilities in order to oddress the problems ond costs associated witn flooding The desirable economic enopoint is reached when the cost of donnage ottnbutoble to stam flooding plus the cost of storm sewer Instollotion rooches o minimum. Economy is not the only consideration, since well designed storm drolnoge focilities not only reduce nozords and inconveniences associated with flooding, but also serve to protect or enhonce surfoce water quoiity. i i1