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Environmental protection <br /> <br />9.21 <br /> <br />Subd. 2. Conditional Uses. <br /> <br />All conditional uses and applicable attached conditions allowed and <br />regulated by the applicable zoning district underlying this shoreland <br />overlay district as indicated on the official environmental overlay map of <br />the City and as required by §9.21.02. <br /> <br />b. Boathouses <br /> <br /> Subd. 3. Substandard Uses. Any uses of shorelands in existence prior to the <br />date of enactment of this Section which are permitted within the applicable zoning district, but do <br />not meet the minimum lot area, setbacks or other dimensional requirements of this Section are <br />substandard uses. Substandard uses, including substandard sanitary facilities, shall be allowed to <br />continue. However, any structural alteration or addition to a substandard use which will increase <br />the substandard dimensions shall not be allowed. <br /> <br /> Subd. 4. Prohibited Uses. Any uses which are not Permitted or Conditional <br />Uses as regulated by the applicable zoning district underlying this shoreland overlay district as <br />indicated on the official environmental overlay map of the City. <br /> <br /> Subd. 5. Zoning Provisions. The following standards shall apply to all <br />shorelands of the protected waters listed in §9.21.02 within the City. Where the requirements of <br />the underlying zoning district as shown on the official zoning map are more restrictive than those <br />set forth herein, then the more restrictive standards shal! apply: <br /> <br /> NAtural Recreational General <br /> Environment Development Development <br />1. Unsewered Areas Waters Waters Water <br />Lot Area 80,000 sq. ft. 40,000 sq. ft. ~(},0~0'sq. ft. <br />Water frontage and lot Wi_dth at l~Uilding line 200 ft. 150 ft. 100 ft. <br />Structure setback from Ordinary High Water Mark 200 150 ft. !50 100 ft. <br />Structure setback from Bluff 30 ft. 30 ft. 30 ft. <br /> Structure setback from road and highways 50 ft. Federal, State o.r County - 20 ft. Municipal or Private <br /> Structure height limitation in Residential 35/25/37 ft. 35/25/37ft. 35/25/37ft. <br /> Districts <br /> Maximum lot area covered by impervious surface g0 25' % "g0 25% g0 25% <br /> Sewage system setback from Ord. Height Water 150 ft. 75 ft. 50 ft. <br /> Mark <br /> <br /> ..... Natural Recrehtional General <br /> Environment Development Development <br /> <br />2. Sewered Area Waters Waters Water <br />All provisions for unsew~red areas ~hall ~pl~ly to <br />sewered areas except for the following, which shall <br />supersede the provisions applied to unsewered areas: <br />Lot Area waterfront lots 4.0,000 sq. ft. 20,000 sq. ft. 15,000 sq. ft. <br />other lots 20,000 sq. ft. 15,000 sq. ft. 1O,0OO 10.800 <br /> sq. ft. <br />Water frohtage and 10t width at building line _125 ft. ~5 ft. 75 ft. <br />Structure setback from Ordinary High Water Mark 150 ft. 75 ft. 50 ft. <br />Structure setback from Bluff 30 ft. 30 ft. 30 ft. <br /> <br /> Subd. 6. Existing Lots of Record. Lots of record in the office of the <br />County Register of Deeds (or Registrar of Titles) prior to July 29, 1985 (date of enactment of this <br />Section) which do not meet the requirements of §9.21.04 subd. 5 may be allowed as building sites <br />provided: <br /> <br />a. Such use is permitted in the zoning district. <br /> <br /> <br />