Wyoming Administrative Code
Agency 020 - Environmental Quality, Dept. of
Sub-Agency 0011 - Water Quality
Chapter 2 - DISCHARGES, PERMIT REGS
Appendix F - Additional Requirements Applicable to New and Existing Aquatic Animal Production Facilities

(a) Discharges into aquaculture projects, as defined in Section 3(b) of these regulations, are subject to the WYPDES permit program in accordance with these regulations.

(b) A hatchery, fish farm, or other facility is a concentrated aquatic animal production facility for purposes of these regulations if it contains, grows, or holds aquatic animals in either of the following categories:

(i) Cold water fish species or other cold water aquatic animals in ponds, raceways, or other similar structures which discharge at least 30 days per year but does not include:

(A) Facilities which produce less than 9,090 harvest weight kilograms (approximately 20,000 pounds) of aquatic animals per year; and

(B) Facilities which produce less than 2,272 kilograms (approximately 5,000 pounds) of food during the calendar month of maximum feeding.

(ii) Warm water fish species, or other warm water aquatic animals in ponds, raceways, or other similar structures which discharge at least 30 days per year, but does not include:

(A) Closed ponds which discharge only during periods of excess runoff; or

(B) Facilities which produce less than 45,454 harvest weight kilograms (approximately 100,000 pounds) of aquatic animals per year.

(iii) "Cold water aquatic animals" include, but are not limited to the Salmonidae family of fish: e.g., trout and salmon.

(iv) "Warm water aquatic animals" include but are not limited to, the Ameiuridae, Centrarchidae and Cyprinidae families of fish; e.g. respectively, catfish, sunfish and minnows.

(c) Application requirements for new and existing aquatic animal production facilities. New and existing concentrated aquatic animal production facilities shall provide the following information, in addition to that described in Section 5(a) (v), to the administrator, using the application form provided by the administrator.

(d) The maximum daily and average monthly flow from each outfall.

(e) The number of ponds, raceways, and similar structures.

(f) The name of the receiving water and the source of intake water.

(g) For each species of aquatic animals, the total yearly and maximum harvestable weight.

(h) The calendar month of maximum feeding and the total mass of food fed during that month.