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f <br /> I <br /> COMMUNITYGROWTH cftrnf <br /> I N S T I T U T E Nam <br /> Eqwrts in Sinall Town Planning <br /> `.. centralized and designed and installed to meet or exceed <br /> applicable standards or rules of the Minnesota Department <br /> of Health and the Minnesota Pollution Control Agency. <br /> On-site sewage treatment systems must be located on the <br /> most suitable areas of the development, and sufficient area <br /> free of limiting factors must be provided for a replacement <br /> standard soil treatment system for each sewage system. <br /> (2) Conservation subdivisions shall be connected to publicly <br /> owned water supply and sewer systems,if available.Where <br /> publicly owned water supply and sewer systems are not <br /> available, conservation subdivisions shall either establish <br /> dedicated areas for individual sewage treatment systems or <br /> establish centralized water supply and sewage treatment <br /> systems to serve the entire subdivision. <br /> pla-aned unit developments <br /> systems, when <br /> available. <br /> (2) On site water- supply and sew-age treatment systems must <br /> be +.. l .7 .7 designed an inst..11,,.7+.�meet,. ,..7 <br /> sewage t be <br /> F. Erosion control and Stormwater Management. Erosion control <br /> and stormwater management for developments must meet the <br /> standards in Section 17-8.2(3)(F). For planned unit <br /> developments,the impervious surface coverage shall not exceed 15 <br /> percent in either the total project area or the first tier. For <br /> conservation subdivisions, the impervious surface coverage for <br /> lots must meet the standards in 17-8.2(3)(F). Erosion control and <br /> stormwater management shall be designed by certified personnel <br /> in erosion and sediment control using the best management <br /> practices found in the latest Pollution Control Agency's <br /> stormwater best management practices manual, approved by the <br /> local government,and effectively implemented. <br /> (1) For post construction stormwater management, when <br /> possible, existing natural drainage ways, wetlands, and <br /> vegetated soil surfaces must be used to convey,store,filter, <br /> and retain stormwater runoff before discharge to public <br /> waters. When development density, topographic features, <br /> and soil and vegetation conditions are not sufficient to <br /> adequately handle stormwater runoff using natural <br /> features and vegetation, various types of constructed <br /> Pequot Lakes Staff Report 7(b)-5 <br /> June 19,2oo8 <br />