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I <br />I <br />4.All existing urban wetlands will be maintained and protected for <br />surface water retention and filtration. The existing urban runoff exceeds <br />the capacity of the urban marshes to assimilate all nutrients, therefore <br />additional pollution hazards would be created if any wetlands would be lost. <br />Additional steps to improve nutrient assimilation include on-site retention <br />on all new developments and storm water recycling through the existing <br />marshes. <br />5.City maintenance practices will be designed to improve storm water <br />quality. Salt use for winter street treatment will be minimized. Snow- <br />removal practices will locate temporary storage sites where they will not <br />overload the natural drainage system or where foreign matter, especially salt, <br />will not directly enter a marsh or lake. Spring cleanup will promptly remove <br />road sands and salts before environmental damage occurs. <br />6.A signiflcant amount of natural woodlands and open space will be <br />retained on each property. Retention of the natural environment requires <br />careful siting and preservation of trees and open space on each urban <br />property. <br />7.All developments will be designed to assure protection of light, air, and <br />solar access for neighboring properties. Requirements for minimum lot <br />size, amounts of open space, minimum yard setbacks, and maximum <br />building heights will be designed to assure protection of these values for all <br />urban residents. <br />RURAL AREA POLICIES FOR NATURAL RESOURCE MANAGEMENT <br />1.Land use standards will limit the pollution loading of rural marshes <br />and drainageways. Rural densities will be low enough to ensure <br />permanent reliance upon satisfactory on-site sewer and water systems where <br />municipal sewer is not feasible and to ensure that rates of phosphorus and <br />nitrogen generation will not adversely affect the water quality in the natural <br />drainage system. <br />2.Rural land use densities w ill allow maximum retention of private woods <br />and open space. Low rural densities will accommodate homesites without <br />affecting the traditional vistas of open fields and woods. The retention of <br />these woodlands and marshlands will then assure permanent habitat for our <br />abundant wildlife. <br />CMP 3A - 28