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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD CENTRAL VALLEY REGION ORDER NO. R5-2010-0016 WASTE DISCHARGE REQUIREMENTS FOR CONSTRUCTION, OPERATION, AND DETECTION MONITORING SAN JOAQUIN COUNTY DEPARTMENT OF PUBLIC WORKS NORTH COUNTY LANDFILL CLASS III LANDFILL SAN JOAQUIN COUNTY <br />The California Regional Water Quality Control Board, Central Valley Region, (hereafter Board) finds that: 1. The San Joaquin County Department of Public Works (hereafter “Discharger”) owns and operates the North County Landfill, an active, Class III Municipal Solid Waste (MSW) landfill in northeastern San Joaquin County. The landfill is on East Harney Lane near Atkins Road, approximately nine miles east of Lodi, as shown in Attachment A, which is incorporated herein and made part of this Order. The landfill is on a 320-acre site in Section 21, T3N, R8E, MDB&M, corresponding to Assessor Parcel Numbers 065-120-02, 065-120-03, 065-120-08, and 065-120-09. <br />2. On 26 September 2008, the Discharger submitted an Amended Joint Technical Document (JTD) describing significant changes at the facility since 2002, and future construction plans, as follows: <br />a. Construction of compositely-lined disposal module M-4; b. Installation of landfill gas (LFG) controls; c. A proposal to accept treated wood waste; d. Plans for vertical expansion of the landfill, including geotechnical review of landfill design; e. Revised Preliminary Closure and Post-Closure Maintenance Plan (PCP/PCMP); and f. Proposed Solid Waste Facilities Permit revisions. <br />These revised waste discharge requirements (WDRs) include updated findings and requirements for the facility based on information in the amended JTD and in accordance with California Code of Regulations (CCR), title 27, division 2 (Title 27) regulations. Previous WDRs Order R5-2002-0219 therefore no longer adequately regulates the facility. 3. The landfill has been in operation since 1991, accepting primarily household and commercial wastes from the City of Lodi and surrounding areas. The facility includes a 185-acre landfill unit and associated precipitation and drainage controls; monitoring systems; LFG extraction facilities; access roads; office and