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Marion County <br /> OREGON <br /> PUBLIC WORKS <br /> August 23, 2021 <br /> (503)588-5036 <br /> Rebecca Mack-Keen <br /> BOARD OF 801 Fairview St. #J <br /> COMMISSIONERS Mill City, OR 97360 <br /> Kevin Cameron <br /> Sam Brentano RE: Proposed major repair permit no. 555-21-008191 at 116 Horeb St, <br /> coim Willis Gates, OR <br /> DIRECTOR Dear Mrs. Mack-Keen, <br /> Brian Nicholas, P.E. <br /> ADMINISTRATION Under the conditions observed at the above address, a <br /> PRESSURIZED DISTRIBUTION OR SEEPAGE BED system is required <br /> BUILDING by DEQ rules. The PRESSURIZED approval is based on the staking of <br /> INSPECTION the property. <br /> EMERGENCY I have evaluated test pits at the above referenced property for the purpose <br /> MANAGEMENT of your major repair application, my findings are below: <br /> ENGINEERING <br /> Approved Area & System Type <br /> ENVIRONMENTAL Soil test pits and other site features were evaluated during the site visit on <br /> SERVICES August 18, 2021. Conditions observed during this site evaluation indicate <br /> that the area around the evaluated test holes is not capable of supporting <br /> OPERATIONS a Standard septic system due to the following limitations: <br /> PARKS Limited space: There is not enough usable area within setbacks for a standard <br /> PLANNING septic system. <br /> SURVEY Depth <br /> th to Soil with Rapid or VeryRapid Permeability <br /> DEQ Rule requirement: Soil with rapid or very rapid permeability <br /> must be 36" below the ground surface. "Soil with rapid or very rapid <br /> permeability" refers to sandy loam or coarser soil with 35% or more <br /> coarse fragments over 2mm; loamy sand or sand; or stones, cobbles, <br /> gravel and rock fragments with too little soil material to fill the void <br /> spaces. OAR 340-071-0220(1)(c) <br /> Description: Treatment of sewage occurs in the soil around the <br /> drainfield area. If the sewage enters the groundwater before it has <br /> been adequately treated in the soil, it poses a potential public health <br /> hazard. A layer of rapid permeability was observed around 12-30 <br /> inches at this site. <br /> 5155 Silverton Road NE•Salem,OR 97305-3802• www.co.marion.or.us/PW <br /> Printed on recycled paper• Reduce—Reuse—Recycle-Recover <br />