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On-site water trucks are used for dust control. The trucks are filled using an overhead fill at the site's water well or from the water pond landfill property. 7.7.4. Vector Control Waste is properly covered daily with soil to control vectors. In addition, site pefsonnel inspect the site for any signs of vector activity. If such activity is observed, a vector adication program will be implemented using a professional pest controller, if necessary. Cu ently, landfill employees use "bird bombs" to scare birds away from the active workin face. In addition, if there are offensive odors from a load of waste, it is covered immediately with soil to avoid attracting flies.Incoming loads are required to be tarped; thereby reducing potential for litter on roads leading to the site. 7.7.5. Drainage and Erosion Control Best management practices are implemented at the landfi . Foothill utilizes several controls to manage run-on and run-off. A perimeter berm around t e waste management unit prevents run- on to the unit. This perimeter berm, along with a se s of ditches, also controls all surface run- off during storm events, and directs surface run-off j rom the landfill to a retention basin on the east side of the site. Surface water drainage is shown on Plate 2.2. During the year, the County repairs and regr des (if needed) the storm water conveyance structures. The County will minimizecon act between flowing storm water and the MSW so prevent ponding on the module. Specia care is taken during operations so that a slope is maintained at all times to facilitate sto water runoff. This method of grading is also used on the spoils and borrow sites. Erosion control on surfaces t* have reached their near final elevation will be provided by establishing vegetation and onstructing drainage berms or benches to direct storm water away from refuse fill areas to t existing storm water facilities. The temporary run- controls for the fill area and excavation areas and run-off control is accomplished by the design of the active tipping areas and the method of daily operation. The design directs surface water in the fill area such that is can be controlled. As a part of daily Foothill Sanitary Landfill Page 55 of 62 Public Works/Solid Waste JTD County of San Joaquin — Revised 10/6/05