SR0082211_SSNL - Laserfiche WebLink

Home Browse Search

Thornton On-site Waste Water Feasibility Study Page 2 of 9 Our Project Number: 2017-00010 December 1, 2017 there is no record of a septic or well, however, there is a permit on file with San Joaquin County EHD for a 2,000-gallon sand/oil separator. The CFN station currently utilizes portable toilets. The parcel located at 8875 W. Thornton has a 3-bedroom residence with a septic system consisting of a 1,400-gallon concrete septic tank and one 100-foot length of leach line; there is no record of a domestic well for the parcel. The site is located less than one-quarter mile east of Highway 5. The property is approximately 4,800 feet west of the Mokelumne river. The general vicinity consists of commercial/residential lots within the community of Thornton surrounded by residential and agricultural use parcels. 1.2 Proposed Development The proposed development will be a Shell service-station and mini-mart with fast food �v service or; the Na,cel located at 26440 N. Thornton road. The CFN station (8925 W. , Thornton Road) will remain as is. The residential structure and associated septic system located at 8875 W. Thornton road will be demolished and utilized for the onsite waste water treatment system planned to service the proposed Shell service-station/mini-mart ,with fast food service, as well as the self-service CFN station vehicles. The total-acreagei� for the parcel intended to accommodate the Qnsite wastewater system is approximately 0.55 acres; the total acreage for the three combined parcels is approximately 2.37 acres. 2.0 SITE CONDITIONS 2.1 Soil Properties The site is depicted on the Preliminary Geologic Map of Quaternary Deposits of the Lodi quadrangle' and falls within the Holocene aged Eolian deposits (refer to our NLS study) herein called Qha. Qha is an alluvium unit derived from channel, levee, and floodplain deposits consisting chiefly of silt and clay with fine sand along principal drainage ways2. The surface and near surface soils located at the site are reported by the San Joaquin Couii,Ly SGii Survey' to be coi-niposed of the Sailboat jilt ward, di-aided, 0-211% i,pi,, 0-cfei to our NLS study). The table below presents some selected properties of these soils: 1 Marchand,D.E.and Atwater,B.F:U.S.Geological Survey OF-79-9333,1:62,5000.Preliminary Geologic Map,Quaternary Deposits of the Lodi Quadrangle. Z Marchand,D.E.and B.F.Atwater.U.S.Geological Survey.Open File Report 79-933,1979. 3 United States Department of Agriculture.Soil Survey of San Joaquin County,California.October 1992. Petralcyix tng.meeriog,I nc 2bt;75 Bruello Puad:Galt,Ca 45,537 ...•.r (2C1I-400-�i23 _ya ra r.- w wr.petralugix,com f