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Environmental protection <br /> <br />§ 9.21 <br /> <br />Nonconforming Sewage Treatment Systems. In the Shoreland Overlay <br />District, all existing sewage treatment systems inconsistent with the <br />standards of § 8.3 shall be brought into conformance or discontinued <br />within five years from the date of enactment of this Section. <br /> <br />9.21.05 Environmental permits and standards. <br /> <br /> Subdivision 1. Environmental Permit. To insure that the policies in <br />this section are properly implemented, any person undertaking development to or on any land <br />within the Shoreland and Critical River overlay districts shall, prior to commencing the <br />work, obtain an environmental permit from the City. Except as hereinafter provided in this <br />section, no person shall perform any development in the overlay districts without first having <br />obtained an environmental permit (hereinafter called permit) from the City, Exempted from this <br />environmental permit requirement shall be ail lots within a plat of record in the Anoka County <br />Recorder's Office. Outlots contained within a plat shall not be exempted from this permit <br />requirement. <br /> <br />Notwithstanding this permit exemption, development occurring on any lot, whether in a plat or <br />not, must comply with and conform to the "Permit Standards" as outlined in the following section. <br /> <br /> Subd. 2. Permit Standards. The following standards shall be met when any <br />development is undertaken within the overlay districts. <br /> <br />No filling, grading, dredging, excavation or construction shall be <br />allowed within any wedands area; nor on lands abutting, adjoining or <br />affecting said areas if such activity upon those adjacent areas is <br />incompatible with City policies expressed here, in other documents and <br />in the relevant storm water drainage study. Development is improper <br />and therefore prohibited which may result in loss and damage to public <br />and private improvements through inundation by flood waters and <br />subsequent expensive construction of storm sewers and other public <br />projects, in the permanent destruction of natural resources, loss of water <br />retention facilities, open space and wildlife habitats and impairment of <br />public and private water supplies. Minimum area requirements for <br />building sites shall be determined in accordance with Section 9.04 of the <br />City Code, the standards of the Shoreland Overlay District and the <br />Critical Rivers Area Overlay District. <br /> <br />Except in the Critical River Overlay Area, a minimum amount <br />of filling may be allowed when necessary, but in no case shall the <br />following restrictions on total amount of filling be exceeded. Since the <br />total amount of filling which can be permitted is limited, the City, when <br />considering permit applications, shall consider the equal apportionment <br />of fill opportunity to riparian land owners. <br /> <br />Total f'flling shall not cause the total natural flood storage capacity of the <br />wetland to fall below the projected volume of runoff from the entire area <br />wetland water shed generated by a ten-year storm. <br /> <br />Total filling shall not cause the total natural nutrient stripping capacity of <br />the wetland to fall below the nutrient production of the wetland <br />watershed shed for its projected development. <br /> <br />Only fiI1, free of chemical pollutants and organic wastes, may be used. <br />Wetlands shall not be used for solid waste disposal. <br /> <br />Grading and filling in overlay district areas or any alteration of the <br />natural topography where the slope of the land is toward a protected <br />water or a water-course leading to a protected water must be authorized <br />by a permit. The permit may be granted subject to the conditions that: <br /> <br /> <br />