§ 218.01 ESTABLISHMENT OF DISTRICTS.
   In order to classify, regulate, and restrict the location of trade and industry, and the location of buildings designated for specific uses, to protect residential uses, to regulate and limit the height and bulk of buildings hereafter erected or altered, to regulate and limit the intensity of the use of lot areas, and to regulate and determine the areas of yards and open space within and surrounding such buildings, the city is hereby divided into zoning districts. The use, height, and area regulations shall be uniform in each district, and said districts shall be known as:
   (A)   Agricultural and rural districts.
      (1)   A-1 Agricultural District.
      (2)   RR Rural Residential District.
   (B)   Residential districts.
      (1)   R-1 Traditional Single-Family Residential District.
      (2)   R-2 Suburban Single-Family Residential District.
      (3)   R-3 Medium Density Residential District.
      (4)   R-4 Multiple-Family Residential District.
   (C)   Commercial districts.
      (1)   B-1 Downtown Business District.
      (2)   B-2 Highway Business District.
   (D)   Industrial districts.
      (1)   I-1 Light Industrial District.
   (E)   Special districts.
      (1)   POS Public and Open Space District.
      (2)   HP Historic Preservation Overlay District.
   (F)   Environmental protection districts.
      (1)   SL Shoreland Management Overlay District.
      (2)   FP Floodplain Management Overlay District.
(Ord. 2011-06-07A, passed 6-7-2011; Am. Ord. 2017-05-02A, passed 5-2-2017)