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. SITE ADDRESS S-r-. CITY OF ORONO <br />ON -SITE SEWAGE TREATMENT - REPAIRS OR ADDITIONS TO EXISTING SYSTEMS <br />THE FOLLOWING GUIDELINES SHOULD HELP YOU IN REPAIRING YOUR FAILING SEPTIC <br />SYSTEM: <br />1. System is 6a.iti,ng because: <br />0 Poor soil conditions <br />MToo much water use for size of system <br />0 High water table. <br />aSludge getting into drainfield - tanks need repair/replacement <br />1-1 Other <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 %equ Aes 2 .tanks .in a normat nes.identiae gray.c ty-6tow system: <br />1-1000 gatton, 1-750 gatfon precast concAe-te -tanks .in seni.es. These aAe minimum <br />sizes - you may wish to instatt taAger tanks. 16 you have onty 1.tank, it--" <br />noAmatty requ Aed to add a second when %epaiAi.nc, a 6a.iting system. 16 you have <br />2 .tanks but they aAe substantiatty undmized (500-600 gateons, bon instance), <br />it .is recommended that .they be reptaced. 16 youA %epaiAs wits %equiAe a pump, <br />it shoutd be ptaeed .in a thvcd .lank (500-1000 gateon recommended). <br />aSystem will likely require replacement/addition of 1 or more <br />tanks: <br />3. A note about pumps: Pumps and pump eontAots have out o6 necessity become betteA <br />designed and more duAabte in .the tact hew years. Neatey one septic system .in <br />6ouA instateed .in Orono makes use o6 a pum;-, due to site conditions. A pump may <br />be needed: - when basement 6toor dAa.ins or towest sewer tine are betow .the aAea <br />to be used as dnain6ietd. - in att mound systems, which cute used wheAe high water <br />tabte or stowty pereotati.ng zoitz are bound. <br />There ate ess enti.att y .two -types 06 pumps used .in septic systems appt.icat ions . <br />1. E66tuent pumps - pump onty t.iquids, normatty used a6teA the second septic <br />.tank, or 604 taundAy .in .the basement; and <br />2. Gn i.ndeA or s ot.id6 - handt i.ng pumps, used 6oA basement .toi t e is and sometimes <br />.instatC.ed in an outside sump, -hich pump sewage up to septic .tanks on <br />high ground. <br />Pump 6aiC.uAes .in .the past have been due mostty `o switch 6aituAes (eonAos.ion <br />or weaA.ing out) and etectni.c connection corrosion. Both o6 these probtems <br />have been reduced by use o6 eo4Aos.ion-4e.6istent 6toat switches and connection <br />boxes. White pump 6ai.tuAes aAe tens common than in the past, a high water <br />atahm costing approx,i.mateey $75-$100 is nonmatty %egUi,Aed wheAe a pump .ch used. <br />It's wett worth the price 16 it saves you a eostty basement cteanup. <br />FlRepairs to system will likely require a pump, including a pump tank <br />and alarm system. <br />Page 1 o6 3 <br />