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DATE_ ��' y- CITY OF ORONO ADDRESS 4g,+b <br />ON-SITE SEWAGE TREATMENT - REPAIRS OR ADDITIONS TO EXISTING SYSTEMS <br />THE FOLLOWING GUIDELINES SHOULD HELP YOU IN REPAIRING YOURFAILING SEPTIC <br />SYSTEM: <br />1. System is 6aifi.ng because: <br />❑ Poor soil conditions <br />F] Too much water use for size of system <br />F1 High Water table. <br />Sludge getting into drainfield - tanks need repair/replacement <br />Other D ES� C TIO AI d� E�C1 S T J N C, CO ✓ejp 8y <br />Unknown; or a combination of the above factors. It is not always possible <br />to determine the exact cause of system failure, but those listed are <br />common factors. <br />2. Tanks - City Code requites 2 tanks ,in a notmat ncs.ide,ttint g•tay.i.ty-6£oa, system: <br />1-1000 gaUon, 1-750 gatton precast conc.%e.te ,tanks in se -ties. Thcse ate mi►ti►rttm <br />a.izes - you may taish to .instatt £atge•t •tantzs. 16 you have on£y i .tank, i7t .c,s <br />nonma.tty requited to add a second when .tepai,Ling a 6ait.ing system. 16 you /lave <br />2 .tanks but .they ate aubztantiat£y undcts•ized (500-600 gattons, 6o•t •uLstance), <br />it .-*s •zeccrrriended that .they be nepter_ed. 1 j you.t %cyai,%,6 tcZtt :equi,tc a pul::r , <br />ZC should fez ptnced .i,t u th,i td tank ( 500-1000 ga££o►i Icconrnended) . <br />U System will likely require replacement/addition of l or more <br />tanks: <br />4N /NFVgt►gT/nAJ )'E ' T/NG i,ovks eyouLp' Sr ZjaZPF'VL_ <br />3. A note about pumps: Pumps and pump coatof.5 have out o6 nece-6.5ity become bette,t <br />de.s.igned and more dtitabtc in .the tast bete yeau. Neatty one septic system .in <br />hour, .installed .in Unono makes use o6 a pump, due to ai-te conditions. A pump may <br />be needed: - Aen basement 6toon dna.ins on toacest ze;v n fine arc b. tote th,: arca <br />to be used a„5 dtain6ietd. - .in att mound systems, avhich ate used t0ine high ttutet <br />tabte on atctrty pncotating aoi,ts ate 6ou►td. <br />There cute essentially tiro types on' pumps used .in septic systems appLications: <br />1. F66tuett ptumpa - pump onto tiquZds, nonmat•£y used a6.tn the second septic <br />tank, on 6or taundty in the basement; and <br />2. G't,inden wt sotids-handt.ing pumps, used 6o•t basement toc,tcts and sometfine.5 <br />•i►tataf£ed in an outside sump, which pump seirage up to septic to -,U on <br />high ground. <br />Pump 6aiP.utes .in the past have been due mostty to s,ei,tch 6aituAcs (cn•vtos.ion <br />on weaAi.ng out) and etect�tic connection conh.oa.ion. Both o6 these ptobtems <br />have been reduced by use 06 co4Aoaion-,'tUiatent 6toat bwi,tchea and connection <br />boxes. White pump 6aituAee a,te tela common than in the past, a high tuate.t <br />ataAm costing appnox.&na,tety $75-'100 .is no•tma.tty nrqu.iAed t4ine a pump iz used. <br />It's weft w 4th the pt,ice .i6 it saves you a coAtty basement c.tcanup. <br />F] Repairs to system will likely require a pump, including a pump tank <br />and alarm system. <br />Pn�c 1 v6 3 <br />SCE /Vt7'j� $ ON /n►tPECTjO/V �ZEf'G&.—r- <br />