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TABLE 5 <br />IMPERVIOUS SURFACE COVERAGE <br />IN SQUARE FEET AND PERCENT <br />GLEASON LAKE <br />Zoning Lot Area <br />Impeirvious <br />Surface <br />Percent <br />Covered <br />R-1 <br />R-3 <br />R-4 <br />R-5 <br />C-3 <br />INST <br />1,607,959 <br />257,628 <br />952,937 <br />099,872 <br />297,068 <br />1,305,199 <br />79,300 <br />29,000 <br />16,400 <br />246,800 <br />223,764 <br />360,000 <br />5 <br />11 <br />2 <br />27 <br />75 <br />28 <br />TOTAL <br />5,320,663 <br />33,470,458 <br />955,264 <br />3,331,926 <br />18 <br />10 <br />Comparing the shoreland areas as a whole to the DNR model with <br />regard to impervious surface coverage, the City is well within the <br />surface coverage allowed and has a reserve of 5,051,803 square <br />feet. The low densities and large open space figures are a result <br />of current zoning controls which are for the most part more <br />restrictive than the DNR model shoreland regulations and act to <br />preserve the shoreland areas of Wayzata. <br />The significant disparity between lot coverage in residential and <br />commercial areas provides the City an opportunity to utilize <br />residential surplus for further develcpment/redevelopment. <br />Development which proposes to exceed the lot coveraga/open space <br />requirements of the Shoreland Overlay District shall be subject to <br />a conditional use permit and Shoreland Impact Plan, which will <br />emphasize storm water management and quality of runoff. <br />The DNR requirement for impervious surface coverage (25 percent) <br />will be too restrictive to allow for development and redevelopment <br />within some areas of the Shoreland Overlay District. Average lot <br />coverage for commercial uses indicates that on average, most lots <br />in the commercial zones are developed at or close to 100 percent <br />with impervious surface coverage. For development to be successful <br />in Wayzata, especially in the downtown, allowance for flexibility <br />to allow development/ redevelopment as well as provisions for on­ <br />site parking is fundamental in this highly developed area. New <br />developments are proposed to be allowed to exceed 25 percent, up to <br />75 percent if structures and practices are in place to treat storm <br />water runoff from directly entering the lake. Coverage to 100 <br />percent will be allowed with the submittal and approval of a <br />Shoreland Impact Plan/conditional use permit. All proposals that <br />exceed the Shoreland Ordinance requirements will be requirea to <br />meet the objectives of the City's Storm Water Management Plan and <br />provide the added physical protection for preserving water quality. <br />_ _ _i