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SAN JOAQUIN <br />COUNTY <br />Greatness grows here. <br />Environmental Health Department <br />SOIL SUITABILITY STUDY CHECKLIST <br />San Joaquin County Development Title Chapter 9-1105, Section 9-1105.2 <br /> <br />1.0 INTRODUCTION AND PROJECT DESCRIPTION <br />1.1 Description of site, including: parcel size, project size, current zoning, identification and current <br />use and occupancy of all structures on the property, including which structures have installed <br />plumbing systems, topography, current and proposed number of employees/visitors, number, use <br />and status of all water wells within 600' of property line, number and status of all OWTS within <br />600' of property line, name and proximity of any water way or canal within 2,500' of the property <br />line. <br />1.2 <br /> <br />Description of proposed development or building project. Description must include the following <br />information: <br />1.3 <br /> <br />Parcel vicinity location map. <br />1.4 <br /> <br />Site map showing location of all items on parcels (i.e., structures, drives, wells, septic systems, <br />large trees, pastures, pools, natural drainage courses, ponds, waterways, etc.) <br />1.5 <br /> <br />Identify if within or located near (1-mile) any city's sphere of influence <br />1.6 <br /> <br />Identify if public sewer or water available within 1-mile of the project site .> <br /> <br />2.0 PAST, CURRENT, PROPOSED, AND REASONABLY FORSEEABLE USES OF THE SITE <br />2.1 Discussion of past uses at the site <br />2.2 Discussion of present uses at the site - <br /> <br />3.0 EXISTING OWTS DESCRIPTION AND PERFORMANCE EVALUATION <br />3.1 Provide the number, age, type of OWTS (standard system/supplemental treatment <br />system/engineered designed system) for each exiting OWTS at the site. <br />3.2 Calculate the repair rate (#repairs/#years) for each OWTS at the site. (Repair rates greater than -) <br />0.1 may indicate additional investigation/mitigation). <br />3.3 Provide the number, age, type of OWTS (standard system/supplemental treatment <br />system/engineered designed system for OWTS located within 1-mile of the site. <br />3.4 Calculate the repair rate (#repairsrnyears) for each OWTS within 1-mile of the site. (Repair rates <br />greater than 0.1 may indicate additional investigation/mitigation). <br />3.5 Provide copies of all permits in the report. -7 <br />3.6 Discussion of any issues found associated with the density and functioning of OWTS onsite and in <br />the general area and any additional investigation (soil evaluations/percolation testing) that may <br />be needed to address siting/design/sizing concerns. <br />3.7 OWTS pumping records for the site <br />3.8 <br /> <br />4.0 WASTEWATER VOLUME AND CHARACTERISTICS <br />4.1 Describe the location, number, type and use of all fixtures contributing wastewater to each OWTS <br />at the site. <br />4.2 Describe the characteristics of the wastewater being generated for each OWTS at the site. Include <br />N, BOD, ...(Page 56 EPA DM, Page 2 SWRCB General WDR, <br />4.3 Identify any processes or activities conducted at the site that may contribute wastewater other <br />than that from toilets and associated hand wash sinks. <br />4.4 Identify any inappropriate or prohibited discharges to the OWTS. (auto/mechanical 4 <br />repairs/manufacturing processes clean up/paint clean up/RV waste) <br />4.5 Identify the average daily flow. <br />4.5.1 Identify actual water usage volumes/rates <br />4.5.2 Use 140 gallons per day per bedroom (70 gallons per person per day with a 2 person per <br />bedroom occupancy). <br />4.5.3 Use <br />El-ID 26-02-002 <br /> Page 1 of 2 <br />Nitrate Loading Study Checklist <br />7/14/2003