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'` * +t Building Inspection Division <br /> yf ,� Onsite Septic Review <br /> nio # UBLIO WORKS <br /> Activity Number: 555-24-002152-EVAL Date: August 2,2024 <br /> Project Address: 6266 HUNSAKER RD SE <br /> 092W16D 00100; 110.85 Acres <br /> Completed By: Matt W. Knudsen, EH-S <br /> ONSITE WASTEWATER TREATMENT SYSTEM SITE EVALUATION <br /> DENIAL <br /> Site Limitations <br /> Relevant site features were evaluated during the site visit on July 16, 2024. The conditions observed during <br /> the site evaluation indicate that the area where the test pits were located did not meet the minimum <br /> standards established by the Department of Environmental Quality. The area evaluated is denied for onsite <br /> wastewater treatment. <br /> Most sites have some limitations that will affect the location or type of wastewater system that may be <br /> installed; however,the test pits that were evaluated on July 16, 2024 are not capable of supporting a <br /> Standard or any type of Alternative septic system due to the following limitations: <br /> Permanent water table is 18" below the surface. <br /> DEQ Rule requirement_ <br /> Depth of the Permanent Water Table must be at least 48 inches below the absorption trench for a <br /> standard system, and at least 12 inches below the absorption trench for a sand filter or alternative <br /> treatment technology system under OAR 340-071-0220(1)(b) & OAR 340-071-0290(2)(b). The depth to <br /> permanent water table in the area evaluated is 18"below the surface. <br /> Alternatives—Where to Go From Here <br /> As described above,the soil conditions at this site do not qualify for a subsurface treatment system. <br /> The following options are available: <br /> Holding Tank. If no approvable area can be found, and the property is being used for commercial purposes <br /> that operate with a projected daily sewage flow under 200-gallons,under OAR 340-071-0340(1)(a), a holding <br /> tank is allowed to be installed to serve the facility. A holding tank cannot be used for a residence. <br /> Perform a Winter Water Table Review. Collaborate with Marion County Building Inspection and an <br /> independent onsite consultant to monitor the level of the water table during the wintertime and <br /> demonstrate that the site can be effectively drained. Please see the attached documentation for the <br /> procedure and requirements of winter monitoring. <br /> 5155 Silverton Road NE—Salem,Oregon 97305—Phone(503)588-5147'—Fax(503)588-7948 <br /> Page 1 of 3 <br />