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Marion County OREGON SEPTIC SYSTEM REQUIREMENTS AND FIELD NOTES <br /> PUBLIC WORKS <br /> Design Flow 300 GPD <br /> Option 1 Option 2 <br /> System Type:Seepage Trenches System Type: ATT Treatment Standard 1 <br /> Field Size: 172 LF Field Size: 100 LF <br /> Size Factor: Size Factor: <br /> 86 LF / 150 gal. 50 LF/ 150 gal. <br /> Install Depth (inches) Install Depth (inches) <br /> Min 40 Max 42 Min 24 Max 36 <br /> Special Requirements <br /> Historical property lines are present on this property, an easement or PLA <br /> will be required unless it can be demonstrated the lines no longer exist. OAR 340-071-0130(11) <br /> Notes & Landscape Features <br /> Pit 3 denied, buried trash pit, setback to road cut cannot be met. <br /> A stakeout is required, system may be EITHER seepage trenches or ATT treatment <br />