ARCHIVED REPORTS_1990 - Laserfiche WebLink

Home Browse Search

ENV/RONMENTAL 2.0 SrM HISTORY AND BACKGROUND TECHIVOLOCIES 2.1 Site Location 1 The Forward Waste Management Facility is located on Austin Road, seven miles southeast of the City of Stockton in California. The south fork of Littlejohns Creek traverses the southern portion of the 157 -acre site. The overall site location is shown in Attachment A and site details are presented in Attachments B through E (see Appendix A). Waste treatment, storage, and disposal have occurred on 60 acres of the site. The facility currently contains eight Waste Management Units (WMUs), as detailed in Attachment B. Four of these WMUs are inactive. The inactive units include three Class III landfill WMUs (planned for closure, pending regulatory approval) and one closed Class I landfill WMU A, which had formerly been a Class II -1 unit). landfillThe active WMUs are presented in Attachment Q. These active units include: one Class M one p• 1 for landfill leachate (WMU F), constructed to the standards of Title 23, California Code of Regulations (CCR), Chapter 3, Subichapter 15; and one II land • - for petroleum -contaminated s A Class II landfill dedicated to •. . disposal is also operatedat the facility, anda ClassI landfillplanned • • •' The Forward Landfill is underlain1the Victorn. This is a heterogenous• •• composed of fan and floodplain deposits derived from Sierra granitics, metamorphic, and volcanic.Geologicrials immediatelybeneath•ii minor•o: : f gravel. The shallow ground water beneath the site is contained in the Victor Formation and recent alluvium. Generally, these sediments have moderate permeabilities. Ground water in the Victor Formation is unconfined, and flows in a north -northeasterly direction beneath the site. The • •-water table is 30 to 45 feet below bottom of . • within 1,000 feet of the site is e. for agricultural purposes. There are no known Holocene11 feet of • 1 Landfill.•active fault is the Greenville Fault, approximately s• west-southwestof credible earthquake in the area would produce a ground acceleration of 1' .2g at the facility. 2.2 Descriptions of WMUs NhJU A - This unit was constructed in 1979 and was in operation until October 1984. The unit received permits to construct and operate before November 27, 1984, the effective date of Subchapter 15. WMU A consists of four north -south trending trenches, covering eight acres. 2 7255 Soroni Drive •Dokland,California,USA94611 TEL (415) 339-1543 - FAX (415) 339- 6775