South Dakota Administrative Rules
Title 12 - Department of Agriculture
Article 12:68 - Disease control and meat inspection
Chapter 12:68:09 - Rendering establishments and pet food processing plants
Section 12:68:09:11 - Requirements for offal depositories

(1) Stomach and intestinal contents from carcasses to be rendered, if not cooked with the carcass or washed into disposal facilities with other liquid waste, must be deposited in a pit or depository provided for that purpose and must be allowed to remain in the pit or depository for at least three months. At the end of three months, the offal must be buried or removed and spread on fields to which no domestic animals have access. No parts of carcasses other than stomach and intestinal contents may be deposited in offal pits or depositories;

(2) Pits or depositories may not be located near any river, stream, lake, pond, or well; any gulch or draw which is the source of a stream or drain; or on ground which may be flooded by the overflow water of a river, stream, lake, or pond;

(3) Any accumulation of fluid from pits or depositories must drain directly into the waste disposal facilities; and

(4) Pits and depositories must be constructed so that no dogs or other animals can gain access to the offal deposited in them.