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erage 4 <br />Lexingtion, EAW <br />storm water system f or the proposed development should <br />carefully control the export of pollutants, both suspended <br />z,nd soluble, from the sites <br />0 <br />As stated "in the storm water runoff quantity discussion, <br />the, dievel,loper proposes to route approximately 2/3 of site <br />runoff into a detention pionds This detention pond must b <br />designed to accomplish the followings. I <br />a <br />Provide themaximum detention time possiblea increased <br />detention time serves to settle out greater amounts of <br />a 0 <br />suspended solids. This may be accomplished by <br />0 9 1 <br />maximizing 4 the distance between inlets and outlets, and <br />by increasing the overall depth and volume of the basin, <br />Vomw ProvJ-de a skimmer to, remove floatables such as oill <br />grease,, leaves, and general debris. <br />-ON& Incorporate state of the art storm water treatment <br />technologies, such as those developed by Dr. Walker and <br />usiled in Ramsey and Hennepin Counties recently, <br />Treat as much of the site runoff as possilble,. This will <br />require a careful design in the routing of storm sewers, <br />in, aiddition, the deve,l,oper should investigate and implement <br />any f easible designs to prie-treat the northerly 1/3 s lite <br />r,u,n,of f proposed to d I'scharqe " d irectly into Little Lake <br />AO <br />ilosephi ne This may be accompl. ished with add itional onftft <br />site ploinding, or util ilzation of detent i2on basins located <br />d mi <br />eictly north of the, siLtie lan existing low areasO <br />D. Sa,ni"'tar,v <br />e Wastewater e e . The p,ro,3eict area is currently undeveloped <br />and dos not gnrate any sanitary wastewater, Upon development <br />of the site, I't 'is anticipated that the project site will <br />generate 64,817 gallons Per day. <br />'This siewiaqe will be conveyed to the Metro Wastewater Treatment <br />Plant for, treatment via the Metro Waste Control Commission <br />interceptor se,wei,r system, and ultimately discharged into the <br />Mississi'ppi River. Sanitary sewers on the site are proposed • <br />discharge into an existing sanitary sewer lateral which crosses <br />