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E CALIFORNIA REGIONAL WATER QUALITY CONTROL BO.VLIP CENTRAL VALLEY • - It1•19A1NWN FOR CITY • STOCKTON AUSTIN • LANDFILL FACILITY CLASS III LANDFILL SAN JOAQUIN • The California Regional Water Quality Control Board, Central Valley Region, (hereafter Board), finds that: 1. The City of Stockton (hereafter Discharger) owns and operates the Austin Road Landfill Facility. The Facility was previously regulated by Waste Discharge Requirements (WDRs) Order No. 94-303 in conformance with Title 23, California Code of Regulations (CCR), Division 3, Chapter 15 (hereafter Chapter 15). The Discharger filed a Report of Waste Discharge on 26 October 1995, requesting approval of updated WDRs permitting a horizontal and vertical expansion of the Landfill, a Materials Recovery Facility (MRF), composting, leachate storage and sedimentation ponds to the landfill facility. 2. Landfill operations began in 1955, temporarily closed from 1961 to 1963, reopened in 1964. The landfill accepts residential, commercial, and industrial solid waste generated within the incorporated boundaries of Stock -ton. 3. The MRF is 7 miles southeast of the City of Stockton on Austin Road in San Joaquin County, as shown in Attachment A, which is incorporated herein and made a part of this Order. The Facility covers 405.9 acres in the northwest 1/4 of Section 3, T1 S, R7E, MDB&M and Section 34, TIS, R7E, MDB&M. 4. The MRF consists of three classified landfill units: LF -1, an existing Class IH Landfill with a footprint of 123.3 acres; LF -2, a 143.8 acre Class III Landfill expansion to the south of LF -1; and LF -3, a Class III Landfill vertical expansion above LF- I and LF -2; a 126.4 acre borrow area north of LF -1; a 13 acre composting facility; a 6 acre a MRF; leachate treatment and holding facilities; and a sedimentation basin, as shown on Attachment B, which is incorporated herein and made a part of this Order. 5. LF -2 consists of Phases I through IV, and LF -3 consists of Phases V and VI. 6. The existing landfill, LF -I, will be closed after Phase I is opened. LF -1 will receive an interim cover of two feet foundation material, one foot of compacted soil with a permeability less than 1 x 10' cm/sec, and one foot of soil for vegetation.