357H.1  Rural improvement zones.
  1.  The board of supervisors of a county with less than twenty thousand residents, not counting persons admitted or committed to an institution enumerated in section 218.1 or 904.102, based upon the 2000 certified federal census, and with a private lake development shall designate an area surrounding the lake, if it is an unincorporated area of the county, a rural improvement zone upon receipt of a petition pursuant to section 357H.2, and upon the board’s determination that the area is in need of improvements.
  2.  For purposes of this chapter: 
  a.  “Board” means the board of supervisors of the county.
  b.  “Improvements” means dredging, installation of erosion control measures, land acquisition, and related improvements, including soil conservation practices, within or outside of the boundaries of the zone.
97 Acts, ch 152, §1; 98 Acts, ch 1168, §1; 2000 Acts, ch 1190, §1; 2005 Acts, ch 108, §1; 2010 Acts, ch 1069, §122