South Dakota Administrative Rules
Title 74 - Department of Environment And Natural Resources
Article 74:27 - Solid waste
Chapter 74:27:12 - Facility design and construction
Section 74:27:12:21 - Final cover

Universal Citation: SD Admin Rules 74:27:12:21
Current through Register Vol. 50, page 114, March 25, 2024

A minimum of 18 inches of compacted soil material and 6 inches of topsoil must be placed over MSWLF units that have reached design capacity. The compacted soil layer for existing MSWLFs or for MSWLFs meeting the small-town exemption criteria specified in § 74:27:12:25 must have a permeability of 1 x 10-5 cm/sec or less.

The compacted soil layer for new MSWLFs or lateral expansion of existing MSWLFs must have a permeability of 1 x 10-5 cm/sec or less. The final surface gradient of the unit must be at least 2 percent to prevent ponding. The vegetative cover must be seeded and established in accordance with the South Dakota Field Office Technical Guide, Section IV-A, Plant Sciences, (September 26, 1984), Critical Area Planting, and in consultation with the local soil conservation district office personnel. Other facilities must install a minimum of two feet of earthen material capable of maintaining perennial vegetation.

General Authority: SDCL 34A-6-1.6.

Law Implemented: SDCL 34A-6-1.6.

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