S.D. Admin. R. 74:27:15:03

Current through Register Vol. 51, page 54, October 28, 2024

Section 74:27:15:03 - Closure requirements

Upon closing a landfill unit or other land disposal facility, the owner or operator shall commence closure activities within 30 days of the last receipt of wastes and shall complete closure activities within 180 days of the last receipt of wastes. The owner or operator must meet the following closure requirements:

(1) Eliminate disease vectors;

(2) Post the site to indicate that the site is closed to further dumping and to indicate where the new site is located;

(3) Cover the site as follows:

(a) The owner or operator of a MSWLF unit shall install a final cover system that is designed to minimize infiltration and erosion. The final cover system shall comprise a topsoil layer underlaid by an infiltration layer as follows:

(i) The infiltration layer shall consist of a minimum of 18 inches of earthen material that has a permeability less than or equal to the permeability of any bottom liner system or natural subsoils present or a permeability corresponding to § 74:27:12:21, whichever is less; and

(ii)The topsoil layer shall consist of a minimum of 6 inches of earthen material that is capable of sustaining perennial plant growth;

(b) The owner or operator of another type of facility shall cover the facility with two feet of earth capable of sustaining perennial vegetation;

(4) Maintain access control at the facility;

(5) Fill, grade, and contour the site to eliminate slumping, settling, or ponding of water above any previous active disposal area;

(6) Maintain and periodically inspect the site until it has settled and no further filling or draining problems exist; and

(7) Maintain a cover of perennial vegetation to include mowing or grazing as necessary, that is adequate to prevent excessive erosion or runoff.

S.D. Admin. R. 74:27:15:03

SL 1975, ch 16, § 1; transferred from § 34:13:03:12, 7 SDR 4, effective 7/31/1980; transferred from § 44:11:03:11, effective 7/1/1981; 13 SDR 129, 13 SDR 141, effective 7/1/1987; 17 SDR 8, effective 7/26/1990; transferred from § 74:27:03:11, 19 SDR 186, effective 6/10/1993.

General Authority: SDCL 34A-6-1.6, 34A-6-5.

Law Implemented: SDCL 34A-6-1.6, 34A-6-1.8, 34A-6-12.