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Rev.0,4/22/11 Project 110219 L 3 ENVIRONMENTAL SETTING 1 3.1 Location and Topography FSL is located at 6484 North Waverly Road and is 17 miles east of Stockton, California (Figure 2-1). The site contains 800 acres, comprised of Assessor's Parcel Numbers 093-440-02 in Sections 12 and 13, T2N, R9E, MDB&M. The entrance to the site is from Waverly Road on the west side of the landfill property. Foothill Sanitary Landfill is surrounded by areas classified as native vegetation. These areas are typically used for cattle grazing (JTD Figure 3 in Appendix Q. Zoning for the lands surrounding the landfill is AG-160 (agricultural). This zoning designation allows for major impact services, which includes landfills and their ancillary facilities. A few residences have been constructed within two miles of the landfill property(JTD Figure 4 in Appendix Q. The predevelopment contours of the site show the slope of the site to be northwest to southeast (JTD Figure 7 in Appendix C). The present topography varies from approximately 220 to 360 mean sea level (MSL) (Figure 2-1). The LFGTE Facility is proposed to be located in the southeast portion of FSL, south of the existing LFG flare (Figure 2-1). The planned location of the LFGTE is on native ground at an elevation of approximately 230 ft MSL. The maximum height of the proposed facility is 32-ft, which is less that the existing flare which has a height of 50-ft (approximately 280 ft MSL). The LFGTE Facility will occupy approximately 0.7 acres of leased land near the southeast corner of the 800-acre FSL site. 3.2 Land Use The vicinity surrounding FSL is used predominately for cattle grazing. The landfill vicinity is planned to remain an agricultural area. The nearest housing developments are to the north- northwest of FSL and are more than one mile from the proposed location of the LFGTE. JTD Figure 3 in Appendix C shows land use within a mile of FSL. FSL is zoned as AG-160. Landfills, and their ancillary facilities, are compatible with the AG-160 zoning category as a major impact service. 3.3 Hydrology and Water Quality Most of groundwater used in the vicinity of eastern San Joaquin County is drawn from the Arroyo Seco, Laguna, and Mehrten Formations. These regional groundwater systems are continuously being recharged by percolation of surface waters. The groundwater gradient direction is generally to the southwest. Shallower groundwater bearing zones can produce significant yield in some areas. These areas are typically located adjacent to streams where Quaternary alluvial systems deposited thin sand and gravel beds. During a 1985 geologic X:\PROJECTS\AMERESCO\110219--LFGTE FACR.ITY\_ENGINEERING\San Joaquin County Site Approval Application\Foothill LFGTE-Project Description(11-14-22-11)Aoc CORNERSTONE 3-1 LEWIS ENGINEERING Envirovm ental Gronp,LLC