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<br />City of Arden Hills <br />2005 Assessment Policy <br /> <br />e <br /> <br />STORM SEWER <br /> <br />A. Definitions and General Provisions <br /> <br />1. Storm Sewer Improvement District <br />The City Council may, at its discretion, construct and finance storm sewer <br />improvements by utilizing a storm sewer tax district, pursuant to <br />Minnesota Statute 444.16 through 444.21. <br /> <br />2. Storm Sewer Trunk Facilities <br /> <br />a. Ponds <br />A basin or wetland constructed or naturally located within a pennanent <br />easement for the purpose of containing storm runoff. May be a <br />retention (permanent) pond; detention (temporary) pond; or a <br />combination of both. Arden Hills is within the Rice Creek Watershed <br />District (RCWD), which may tequire additional improvement to <br />control flow discharge from the ponds. The RCWD has a formal <br />permitting process governing pond construction. <br /> <br />b. Pipe Network <br />A network of pipes ranging in size generally from thirty inches (30") <br />through seventy-two inches (72"). The trunk pipe networks are <br />designed to collect stormwater runoff rrom an area generally larger <br />than forty (40) acres. <br /> <br />e <br /> <br />c. Channels, Ditches and Swalcs <br />Conveyance network constructed within permanent casements for the <br />purposes of transporting stormwater runoff. <br /> <br />3. Storm Sewer Lateral I<'acilities <br />A network of pipes ranging in size generally from twelve inches (12") to <br />twenty-seven inches (27") designed to collect stormwater runoff from a <br />specified small area to a trunk facility. The lateral facilities also include <br />street overland flow and inlet structures such as catch basins, manholes <br />and flared end sections. <br /> <br />4. Storm Sewer Taxin2 District <br />A drainage area detennined by using topographical maps and surveys that <br />mutually benefit from storm sewer improvements in conformance with <br />Minnesota Statute, Section 444.16 through 444.21 <br /> <br />. <br /> <br />2005 Assessment Policy Manual- Page 20 <br />