<html> <head> <title>Rule 74:27:12:18 Leachate collection and removal systems.</title> <META NAME="Keywords" Content="Administrative Rules 74:27:12:18"> <META NAME="Description" Content="Administrative Rules 74:27:12:18 Leachate collection and removal systems."> <meta name=Generator content="Microsoft Office HTML Filter 2.0"> <meta http-equiv=Content-Type content="text/html; charset=windows-1252"> <meta name=Originator content="Microsoft Word 10"> <style> <!-- --> </style> </head> <body lang=EN-US> <div> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>74:27:12:18.&nbsp;&nbsp;Leachate collection and removal systems.</b> MSWLFs shall incorporate a leachate collection and removal system into the design of the facility unless exempted from these requirements by the small-town exemption provisions of §&nbsp;74:27:12:25. Leachate collection and removal systems must meet the following requirements:</font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (1)&nbsp;&nbsp;Be constructed of materials chemically resistant to the waste to be disposed of in the landfill and to the leachate expected to be generated;</font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (2)&nbsp;&nbsp;Of sufficient strength and thickness to prevent collapse under pressures exerted by overlying wastes and cover materials and by equipment used at the landfill;</font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (3)&nbsp;&nbsp;Designed and operated to prevent clogging through the active life of the facility and the postclosure period; and</font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (4)&nbsp;&nbsp;Designed to move leachate within the drainage system to a central collection point for treatment or disposal.</font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The leachate collection and removal system must be of the appropriate size and spacing with sumps and pumps or other means to efficiently remove leachate.&nbsp; Sufficient granular material or synthetic fabric filter shall be placed over the leachate collection system to prevent clogging of the infiltration system.</font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The size of the leachate storage unit shall be based upon the calculated potential for leachate generation and the amount of storage time required. Liner system configurations, leak detection components, overflow containment, and freeboard requirements for leachate storage units must have the approval of the secretary before construction.</font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>Source:</b> 17 SDR 8, effective July 26, 1990; 19 SDR 186, effective June 10, 1993.</font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>General Authority:</b> SDCL <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-6-1.6">34A-6-1.6.</A></font></p> <p><font size=3 face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>Law Implemented:</b> SDCL <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-6-1.6">34A-6-1.6.</A></font></p> <p><font size=3 face="Times New Roman">&nbsp;</font></p> </div> </body> </html>