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TENTATIVE WASTE DISLR RGE REQUIREMENTS ORDER Nbo—o' -3- KRUGER FOODS / SMS BRINERS VEGETABLE BRINING FACILITY CLASS 11 SURFACE IMPOUNDMENT CLOSURE SAN JOAQUIN COUNTY 13. The waste management facility is not within a 100-year flood plain based on the Federal Emergency Management Agency's(FEMA)Flood Insurance Rate Map 0490A(May 15, 1980), Community-Panel Number 060299. 14. There are 18 municipal, domestic, industrial, or agricultural groundwater supply wells within one mile of the site. 15. The Water Quality Control Plan for the Sacramento River and San Joaquin River Basin, Fourth Edition(hereafter Basin Plan) designates beneficial uses, establishes water quality objectives, and contains implementation plans and policies for all waters of the Basin. SURFACE WATER CONDITIONS 16. Surface drainage is toward North Fork Little John's Creek in the North Valley Hydrologic Area, Duck Little Johns Unit(531.40) of the San Joaquin River Basin. 17. The current surface impoundments are located on the floor of the north San Joaquin Valley. The designated beneficial uses of the North Fork Little John's Creek, as specified in the Basin Plan, are municipal and domestic supply; agricultural supply; industrial process and power supply; water contact and non-contact water recreation; cold fresh water habitat; wildlife habitat and groundwater recharge. 18. The Discharger's monitors surface water by sampling Little Johns Creek at the following locations, C1, C2, C3 and C4. The detection-monitoring program for surface water at the Unit(s) does satisfy the requirements contained in Title 27. (see Attachment B) 19. Surface water samples are collected from North Little Johns Creek. Chloride concentrations in background samples ranged from 1.8 to 15 mg/1 in 2003. The downstream location C4 had a reading of 690 mg/1 in November 2003. The elevated levels of chloride indicate that operations at the facility are still impacting surface waters. GROUNDWATER CONDITIONS 20. The designated beneficial uses of the groundwater, as specified in the Basin Plan, are domestic and municipal water supply; agricultural supply; industrial service supply and industrial process supply. 21. Groundwater beneath the site is monitored in two zones. The shallow zone groundwater is unconfined. During various monitoring events,it was encountered between 99.72 (MW3A- 4/17/02) to 125.96 ("A" shallow– 10/24/97) feet below ground surface. The elevations of the potentiometric surface ranges from–22.58 feet msl to–46.55 feet rust and fluctuates seasonally as much as 15 feet. The deep zone has been defined as semi-confined. Elevation of the deep zone fluctuates from–47.28 feet msl (P6) to–21.25 feet msl (P4).