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t321 t a • SITE DESCRIPTION Local Description,Surrounding Land Use and Climate Fi ures 1 and w The Greyhound Terminal is loca.ed at 121 South Center 5treetsStreet i( ��JnaaIi"n County,arockton,near the corner of Center and Washing w . bard use surrounding the terminal ypi�e°ie mrnal is bordered on the opolitall area consisting a mixed commercial/residential character. by Market Street,the south by a Chevron he Chevron stat`one and the, west byhCommerce rStreet east by Center Street and t (Figure 2). The surface topography in the area can be characterize as ear of drought and�:urrentiy This area is typically characte�le d bin olthe sixth y et mild winters and dry, of summers however,the region is g -nt d between yer climate. geianall occurs nual precipitation retains a much drn reclorded overaae thirty year September and Ma period period for the Stockton area is 14.1 inches. Local Geology and Hydrelogy The facility is located in the San 3oaquirt Valley portion of the Gincluding the reat Central n area, Valley Geomorphic Province of California.marine, Pleis otcene�and Holocene deposits Greyhound facility, is underlain by and Webb 1990). Deposits at the Vicility of fluvial and lacustrine origins ( re clayey silt with moderate to well generally consist of reddish-brown 3 darR�Reported hydraulic conductivity values sorted, fine sand lenses (Figs 3). Pv t� 10.2 cm/sec (Freeze and Cherry, associated with these materials rang from 10" 1979;Domenico and Schwartz, stems: the Sacramento River 'The Central Valley is drained by two large river systems'. c and the San Joaquin River (most of the southern part {northern part o, the Valley} rthwest of the t 13.6 miles no of the Valley). The two rivers meet he east easternmost st reach of the Part facility.of S Stockton, closest surface water features are t approximately 1,00o feet north by northwest of the facility and tu�Marmon positioned approximately 1,300 feet southwest of to San Joaquility in River was sustained Prior to agricultural development,water rn theed b runoff from precipitation. Water wt, Iter derived from the river is tdrained rfie dbt a Y co of runoff and agriculture use irrigation water brought ir.from outside the a�eaga a Ransient.inHistortcally�, The groundwater conditions in the Stocktonr a depth between Y3 1991), however, drought conditions ovrr wN. groundwater typically occurred under water table condit'sons a. .- P • and 35 feet below land surface (Interna, the last five years combined with intense agricultural development have lowered the water table below the historical range. Presently,depth to water at the facility is approximately 4 4). feet. Groundwater ft/ft gradient of 0.002 �ft(Figere flow is to the south with a hyd l w ..e' LMLJ5Yi32.23/00$3 REV 0 r-9 2 1 1'Ss g