Wyoming Administrative Code
Agency 020 - Environmental Quality, Dept. of
Sub-Agency 0011 - Water Quality
Chapter 20 - PERMITTING, DESIGN AND OPERATION STANDARDS CONFINED SWINE FEEDING OPERATIONS
Part D - ANIMAL WASTE MANAGEMENT
Section 20-40 - Odor Controls

Universal Citation: WY Code of Rules 20-40

Current through September 21, 2024

(a) Best available technology (BAT) shall be used to control odors in all phases of animal waste management.

(b) The one (1) mile separation of confined swine feeding operations from occupied dwellings, schools, and incorporated municipalities required by W.S. 305-11-302(a)(IX) is an odor control provision.

(c) Odor emissions shall not cause a violation of Wyoming Air Quality Standards related to odors.

(d) The animal waste management plan shall include a proposal for controlling odors from animal housing areas, lagoons, storage facilities, and land application sites. The plan shall include a checklist of potential odor sources and identify specific management practices to reduce odors from each source. Potential management practices include, but are not limited to, the following:

(i) Mechanical incorporation of liquid animal waste, manure slurries, solid manure, and sludge.

(ii) Avoidance of land application when wet humid conditions exist.

(iii) Limiting of land application of manure slurries and sludges to the time from one (1) hour after sunrise to one (1) hour before sunset.

(iv) Conducting activities that increase odor emissions during periods of favorable wind conditions.

(v) Controlling volatile solids loading rates for lagoons.

(vi) Aeration of lagoons.

(vii) Collection and treatment of emissions.

(viii) A list of specific actions to be taken by the permittee if odors are identified as a problem.

Disclaimer: These regulations may not be the most recent version. Wyoming may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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