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• <br /> To: Darren &Sarah Hendren <br /> From:Aidan Bammes, EHST <br /> RE: Onsite Wastewater Treatment System Authorization Notice for Replacement Dwelling 555-22-005828 <br /> August 3, 2022 <br /> Page 2 <br /> • THE SEPTIC TANK MUST BE INSPECTED BY A LICENSED PUMPING SERVICE AT LEAST EVERY TEN(10)YEARS. <br /> Per OAR 340-071-0120(2)(c), the system must be evaluated for solids and pumped if over 35 percent, or <br /> as needed. Excessive accumulation of these solid materials in the septic tank will cause the solids to wash <br /> out of the tank and into the drainfield. This will cause irreversible damage to the drainfield and will <br /> eventually lead to a system failure. <br /> • <br /> OBSERVE ALL SETBACKS AND SEPARATION DISTANCES as required by the Department of Environmental <br /> Quality(DEQ) rules. Parking areas must be located where vehicles will not impact any part of the system. <br /> -A copy of the DEQ setback requirements is available in our office. <br /> Please reach out to me with any questions you have, or if you would like to discuss the contents of this <br /> • letter. I can be reached at, 503-365-3165 or by email at,ABammes@co.marion.or.us. <br /> - Sincerely, <br /> Aidan Bammes, EHST <br /> Marion County Onsite Septic Inspector <br /> • <br /> • <br /> • <br /> 5155 Silverton Road NE•Salem,OR 97305-3802• www.co.marion.or.us <br /> Printed on recycled paper• Reduce—Reuse—Recycle-Recover <br />