§ 155.015 ZONING DISTRICTS.
   The city is divided into the districts stated on the table in § 155.021 as shown by the district boundaries on the zoning map. Following is an overview of the purpose of each district established.
   (A)   OS Open Space District. The purpose of the Open Space District is to provide areas for recreation, farming, and conservation purposes, and areas suitable for noncommercial recreation. This zone includes the flood hazard areas as delineated in the city by the Department of Housing and Urban Development.
   (B)   RA Residential Agriculture. The purpose of the RA District is to permit some degree of development in the rural areas where public utilities are not available. By placing a maximum gross density of one dwelling per ½- acre on this district, problems may be alleviated.
   (C)   R-1 Single-Family Residence District. The purpose of this district is to preserve those areas of the city which have been developed for low density single-family use, and encourage residential development on vacant parcels which is compatible with existing residential densities.
   (D)   R-2 Low Density Residential District. This district is intended to provide for the development of single- family and two-family dwellings in areas of the city historically developed at a higher density.
   (E)   R-3 Medium Density Residential District. The Medium Density Residential District has been established to provide for a wide range of dwelling unit types so as to meet the diverse housing needs of present and future city residents.
   (F)   R-4 High Density Residential District. The purpose of this district is to encourage the development of multi-family residential structures within and adjacent to the downtown business district of the city.
   (G)   MH Mobile Home Park District. This district is established to provide for the location of mobile homes within the city, by designating areas suitable for the development of mobile home parks.
   (H)   PR Professional-Residential District. The Professional-Residential District is intended primarily as a buffer zone which, because of its proximity to business uses, public uses, and residential uses, is designed to serve a transition function. The character which shall prevail in this district shall be of professional and business services.
   (I)   B-1 Convenience Business District. The purpose of this district is to provide convenience business and service uses in neighborhood areas.
   (J)   B-2 Central Business District. The Central Business District is established to provide for the special needs of the downtown business area of the city, by waiving certain requirements in regard to parking, building setbacks, and the like, which are necessary in other commercial districts.
   (K)   B-3 Planned Business District. This district is established to provide for retail shopping facilities in planned shopping centers or clusters of buildings, which are designed to share such things as parking and access.
   (L)   I-1 Light Industrial District. The purpose of the Light Industrial District is to encourage the development and expansion of manufacturing and wholesale business establishments which are clean, quiet, and free of hazardous or objectable elements; operate entirely within enclosed structures; and generate little industrial traffic.
   (M)   I-2 General Industrial District. This district is provided to encourage the development and expansion of major industrial operations which utilize both enclosed and unenclosed space for storage, fabricating, and manufacturing.
(Ord. 28-1984, passed 8-14-84)