Wyoming Administrative Code
Agency 020 - Environmental Quality, Dept. of
Sub-Agency 0011 - Water Quality
Chapter 25 - SEPTIC TANKS, SOIL ABSORPTION SYSTEMS, AND OTHER SMALL WASTEWATER SYSTEMS
Appendix B - Land Application of Domestic Septage in Remote Areas
Section 1.Restrictions and Requirements
To qualify for the land application of domestic septage in remote areas, the following conditions must be met.
(a) Location restrictions:
(i) Domestic septage generated on a specific property may be land applied on said property, and shall not be transported to another location for land application.
(ii) No land application of domestic septage shall occur within 1,000 feet of all adjacent properties.
(iii) No land application of domestic septage shall occur within 300 feet of a public road, permanent surface water body, or intermittent stream.
(b) Site restrictions:
(i) The land application of domestic septage shall only occur on those sites with established vegetation such as rangeland, pasture or hay meadows.
(ii) No more than 5,000 gallons of domestic septage per acre per year shall be land applied.
(iii) No land application of domestic septage shall occur where the site's slope exceeds five percent (5%) or where the depth to groundwater is less than four (4) feet.
(iv) The land application of domestic septage shall not occur between November 1 and May 1, or any other time when frozen or saturated ground conditions exits.
(v) No public access shall be allowed to any site where domestic septage has been applied for at least one (1) year following application.
(vi) No grazing animals shall be allowed access to any site where domestic septage has been land applied for at least thirty (30) days following application.
(c) Crop restrictions:
(i) No root crops shall be harvested from soils where domestic septage has been land applied for at least thirty-eight (38) months following application
(ii) No truck crops (harvested parts touch land surface) shall be harvested from soils where domestic septage has been land applied for at least fourteen (14) months following application.
(iii) No commodity crops (other food, feed, and fiber crops whose harvested parts do not touch land surface) from soils where domestic septage has been land applied shall be harvested for at least thirty (30) days following application.
(iv) No turf shall be harvested from soils where domestic septage has been land applied for at least one (1) year following application.
(d) Reporting Requirements:
(i) The property owner shall notify the appropriate Department of Environmental Quality, Water Quality Division (DEQ/WQD) District Engineer prior to the land application of domestic septage to confirm the requirements and to arrange a possible DEQ/WQD inspection of the land application.
(ii) All records related to each septage application will be maintained for at least five (5) years.
(iii) There is a worksheet provided online at the Division's website that must be completed, signed, and returned to the DEQ/WQD, or the appropriate delegated local permitting authority, within 15 days of the land application.