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,,ice,,,,,, Marion County <br /> OREGON SEPTIC SYSTEM REQUIREMENTS AND FIELD NOTES <br /> mg— <br /> PUBLIC WORKS <br /> Design Flow GPD <br /> 300 <br /> Initial System Repair System <br /> System Type: System Type: <br /> Pressure - Seepage Bed <br /> Field Size: LF Field Size: LF <br /> 400 square feet <br /> Size Factor: LF/150 GPD Size Factor: LF/150 GPD <br /> 200 SF / 150 GPD <br /> Install Depth (inches) Install Depth (inches) <br /> Min Max Min 1 8 Max 36 <br /> Special Requirements <br /> OMM contract required prior to CoSC and must be maintained for life of the system <br /> Till soil surface of approval area to alleviate compaction prior to install <br /> Notes & Landscape Features <br /> High Floodplain over Little North Santiam River <br /> 50' setback to any well and 50' setback to river bank/high water line <br />