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Matthew Rodriquez <br />Secreiaryfor <br />Environmental Protection <br />5 August 2011 <br />CalifornialWgional Nater Quality Co i Board <br />Central Valley Region <br />Katherine Hart, Chair <br />11020 Sun Center Drive, #200, Rancho Cordova, California 95670-6114 <br />(916) 464-3291 • FAX (916) 464-4645 <br />hUp://www.waterboards.ca.gov/centralvalley <br />W. Michael Carroll, P.E. <br />County of San Joaquin <br />Department of Public Works <br />P.O. Box 1810 <br />Stockton, CA 95201 <br />SITE INSPECTION /ND LANDFILLY SAN JOAQUIN <br />Edmund G. Brown Jr. <br />Governor <br />Staff conducted a site inspection of the Harney Lane Landfill on 17 June 2011. The inspection <br />was conducted for the purposes of making observations of the landfill cover following the wet <br />season. Several areas of interest were noted during this site inspection. The top deck of <br />Module 1 showed settlement of the waste mass, which the Discharger was repairing by <br />reestablishing the grade with additional soil. Several locations of settlement of Module 2 side <br />slopes were also observed by staff. However, the landfill cover showed no signs of failure, <br />erosion, channeling or other wet season related issues. The landfill cover was in good repair <br />with a robust vegetative cover. The County is utilizing sheep to graze the long grass cover. <br />Staff observations indicate the Discharger performs regular maintenance of the landfill cover <br />by monitoring settlement and reestablishing grade of the top deck. Side slope settlement does <br />not appear to be an issue since drainage is maintained and the vegetative cover is robust. <br />Other areas of concern were not observed during this site inspection. <br />Please call me at 916-464-4737 if you have any questions. <br />TODD A. DEL FRATE, P.G. <br />Engineering Geologist <br />Compliance and Enforcement Sections <br />Enclosure(s) Site Inspection Report <br />cc: Robert McClellon, San Joaquin County Environmental Health Department <br />CIWQS SID #4902639 <br />California Environmental Protection Agency <br />ea Recycled Paper <br />