A person stockpiling dry manure on karst terrain shall comply with all of the following:
 1. The person shall stockpile the dry manure at a location where there is a vertical separation distance of at least five feet between the bottom of the stockpile and the underlying limestone, dolomite, or other soluble rock.

Terms Used In Iowa Code 459.311D

  • Dry manure: means manure which meets all of the following conditions:
  • following: when used by way of reference to a chapter or other part of a statute mean the next preceding or next following chapter or other part. See Iowa Code 4.1
  • Karst terrain: means land having karst formations that exhibit surface and subterranean features of a type produced by the dissolution of limestone, dolomite, or other soluble rock and characterized by closed depressions, sinkholes, or caves. See Iowa Code 459.102
  • Long-term stockpile location: means an area where a person stockpiles manure for more than six months in any two-year period. See Iowa Code 459.102
  • Manure: means animal excreta or other commonly associated wastes of animals, including but not limited to bedding, litter, or feed losses. See Iowa Code 459.102
  • Person: means an individual, partnership, firm, corporation, or association. See Iowa Code 462A.2
  • Qualified stockpile cover: means a barrier impermeable to precipitation that is used to protect a stockpile from precipitation. See Iowa Code 459.102
  • Qualified stockpile structure: means any of the following:
  • Stockpile: means dry manure originating from a confinement feeding operation that is stored at a particular location outside a manure storage structure. See Iowa Code 459.102
  • Stockpile dry manure: means to create or add to a stockpile. See Iowa Code 459.102
  • Use: means to operate, navigate, or employ a vessel. See Iowa Code 462A.2
 2. A person who stockpiles dry manure for more than fifteen consecutive days shall use any of the following:

 a. A qualified stockpile structure.
 b. A qualified stockpile cover. However, the person shall not stockpile dry manure using a qualified stockpile cover at a long-term stockpile location unless the stockpile is located on reinforced concrete at least five inches thick.