A.
Water setback. There shall be a minimum seventy-five-foot setback from the ordinary high-water mark of all lakes, streams, ponds, and wetlands to all buildings or accessory structures, such as sheds, parking structures, outdoor storage, and fences.
B.
Average street setback. The required street setbacks for residences may be decreased in any existing residential district to the average of the existing setbacks of the abutting structures on each side, but in no case less than a minimum setback of 25 feet from the right-of-way.
C.
Structures prohibited within setback lines. No new building, new sign or other new structure or part thereof shall be placed between the setback lines and the rights-of-way except as provided by this chapter. No building, sign or structure or part thereof existing within such setback lines on the effective date of this chapter shall be altered, enlarged, or added to in any way that increases or prolongs the permanency thereof, or be reconstructed in its original existing location after having been destroyed by fire, storm or other catastrophe to the extent of 50% or more of its last assessed value.
D.
Structures permitted within setback lines. The following kinds of structures may be placed between the setback line and the rights-of-way:
(1)
Open fences.
(2)
Telephone, telegraph, and power transmission poles and lines, pad-mounted transformers and microwave relay structures may be constructed within the setback lines.
(3)
Underground structures not capable of being used as foundations for future prohibited aboveground structures.
(4)
Access or service highways constructed according to plans as approved by the Planning and Zoning Commission. In giving such approval, the Planning and Zoning Commission shall give due consideration to highway safety compliance with vision triangle requirements and maximum sight distances and the recommendations of agencies with jurisdiction on the right-of-way.

