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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD CENTRAL VALLEY REGION ORDER N0. 77 288 WASTE DISCHARGE REQUIREMENTS FOR CITY OF STOCKTON AUSTIN ROAD CLASS II -2 SOLID WASTE DISPOSAL SITE SAN JOAQUIN COUNTY The California Regional Water Quality Control Board, Central Valley Region, (hereafter Board) finds that: 1. The City of Stockton submitted a report of waste discharge dated 20 August 1971 and site evaluation reports dated 1 May 1972 and 26 July 1972. 2. The City of Stockton discharges Groups 2 and 3 wastes in the northwest 1/4 of Section 3, T1S, R7E, MDB&M as shown in Attachment /1AP' incorporated herein and made part of this order. 3. This existing disposal site began operation in 1955. Staff does not feel this operation Hill have significant adverse affect on the environment -and intends to file a Notice of Exemption under Section 15101 of the California Administra- tive Code Title 23, Chapter 3, Subchapter 17, with the Resources Agency after adoption. No environmental document was prepared for this facility because it has been in existence for several years. 4. Current plans indicate that the site will be operated in two parcels of 135 acres and 45 acres, separated by Little Johns Creek. Approximately 115 acres has already been filled in the northern parcel. 5. The proposed excavation will be in a usable groundwater basin, with major groundwater supplies below a depth of -142 feet USGS datum, and most likely in a state of semi -confinement. Usable groundwater is supplied by the Victor and Laguna Formations which underlie the site. 6. This disposal site will meet the criteria contained in the California Adminis- trative Code, Title 23, Chapter 3, Subchapter 15, for classification as a Class II -2 Disposal Site suitable to receive Group 2 and Group 3 wastes. 7. The total capacity of the disposal site is approximately 4,500,000 cubic yards. 8. Beneficial uses of local groundwaters are domestic and agricultural supply. The beneficial uses of Little Johns Creek are propagation and sustenance of fish and aquatic life; recreation; and esthetic enjoyment. 9. Land within 1,000 feet of this site is used for agriculture.. 10. The Water Quality Control Plan for the Sacramento -San Joaquin Delta Basin was adopted on 25 July 1975, and this Order implements the water quality objectives stated in the plan.