SITE INFORMATION AND CORRESPONDENCE

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WASTE DISCHARGE RE40MMENTS ORDER NO. 5-00-133 2 THE BURLINGTON NORTHERN AND SANTA FE RAILWAY COMPANY - BNSF STOCKTON INTERMODAL FACILITY SAN JOAQUIN COUNTY 7. The closest Holocene fault is the Foothills fault zone approximately 28 miles to the east. -- A maximum peak acceleration of 0:20 g.was selected for-design criteria.= - -- 8. The facility receives an average of 13.5 inches of precipitation per year as measured at the nearby Stockton Metropolitan Airport. The estimated annual gross evaporation is 67 inches per year. 9. _The waste management facility is not within a 100-year flood plain based on Federal Emergency Management Agency's (FEMA)Flood Insurance Rate Map. SURFACE AND GROUNDWATER-CONDITIONS 10.The Board adopted the Fourth Edition;Water Quality Control Plan(Basin Plan) for the Sacramento River and the San Joaquin River Basins, which designated beneficial uses and contains water quality objectives for all waters of the Basin. This Order implements the Basin Plan. - 11. Surface drainage is toward the west. The site is drained by Littlejohns Creek in the south and.Weber Slough in the north. These water courses drain into Lone Tree Creek which drains into the San Joaquin River. 12. The designated beneficial uses of surface waters of the San Joaquin River, as specified in the Basin Plan, are municipal and domestic supply, irrigation, stock watering,industrial process and service supply water,recreation, freshwater habitat, and wildlife migration and habitat. 13. The first encountered groundwater is about 90 to 95 feet below the ground surface based on San Joaquin County Flood Control and Water Conservation Map. 14. The regional direction of groundwater flow is toward the north-northeast based on the - - San Joaquin County Flood Control and Water Conservation Map and on monitoring - results at nearby sites. Due to the absence of a groundwater monitoring system there is no groundwater gradient data for this site. 15. Upgradient groundwater monitoring wells for determining background groundwater quality are not yet in place for the proposed facility. These WDRs require the discharger to establish background water quality per Title 27 Section 21750(g)prior to discharging waste to the proposed surface impoundment. - 16. There are 209 domestic, and agricultural groundwater supply wells within a 1-mile radius of the site.