Odor and Nutrient Management Newsletter

May 1999

Who's Who - Iowa Law Defines Two Types of Manure Applicators

by Tracy Peterson, extension communications

Which category do you fit--commercial applicator or confinement site applicator? Iowa law defines the two types of manure applicators:

  • A commercial manure applicator is a person who engages in the business of and charges a fee for applying manure on the land of another person.
  • A confinement site manure applicator is a person who applies manure stored at a confinement site other than a commercial applicator. Full-time employees of confinement feeding operations whose primary responsibility is manure application fall under this definition as do individual livestock producers.

A confinement feeding operation is defined as one where animals are confined to totally roofed areas. According to the legal definition, such operations must exceed animal weight capacity of 200,000 pounds (about 1,333 market hogs) for animals other than bovine, and exceed 400,000 pounds for bovine animals to require certification.

Production systems, under roof, with the average capacity production numbers listed below meet the definition of confinement site operations that must be certified for land application of manure.

Table 1. Facility production capacity for filing manure plans.

Facility weight capacity for swine.
Average Capacity Sows (400 lbs.) Nursery (25 lbs.) Market Hogs (150 lbs.) Farrow to Finish (10 pigs per litter)
200,000 lbs. 500 8,000 1,333 105


Facility weight capacity for poultry.
Average Capacity Laying Hens (4 lbs.) Broiler (2 lbs.) Turkey (10 lbs.)
200,000 50,000 100,000 20,000


Facility weight capacity for bovine.
Average Capacity Slaughter Cattle (750 lbs.) Feeder Cattle (625 lbs.) Dairy (1,500 lbs.)
400,000 533 640 267

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Iowa Manure Matters: Odor and Nutrient Management is published by Iowa State University Extension, with funding support from the USDA Natural Resource Conservation Service through Cooperative Agreement No. 74-6114-8-22. To subscribe or change the address of a current subscription, write to Angela Rieck-Hinz, 2104 Agronomy Hall, Iowa State University, Ames, Iowa, 50011-1010 or call 515-294-9590, fax 515-294-9985 or email: amrieck@iastate.edu. Please indicate you are inquiring about the Odor and Nutrient Management Newsletter. The newsletter's coordinators are Angela Rieck-Hinz, extension program specialist, Department of Agronomy, Wendy Powers, environmental extension specialist, Department of Animal Science, and Robert Burns, Department of Agricultural and Biosystems Engineering; the editor is Jean McGuire, the subscription manager is Rachel Klein, the production designer is Beth Kroeschell, and the web page designer is Liisa Jarvinen.

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