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� , <br /> per site and two percolation tests per site. <br /> 11. Water softener recharge water may no longer be discharged to the septic system. <br /> 12. Mound systems and at-grade systems will be allowed on slopes up to 12% depending on the <br /> soil texture and percolation rates. <br /> 13. Homeowners now will be required to keep a diagram showing location of the sewage <br /> tank(s), distribution box(es), soil treatment area, pump station, sewer line, water well and <br /> the location of the septic alarm in the residence on the property at a11 times. <br /> 14. All new holding tank installations will require review by the City Council. <br /> 15. The ISTS requirements for the "RS" Zoning District (Big Island) have been more cleazly <br /> stated. <br /> 16. All septic tanks will be required to be pumped through the manhole cover. The pumper must <br /> also determine tank integrity and include that information in the report to the City. The <br /> report must be mailed within seven days of the pumpout. <br /> 17. The date for replacement of a11 septic systems to be upgraded has changed. All non- <br /> compliant septic systems located in the Shoreland District must be replaced by December 31, <br /> 2007. All non-compliant septic systems located outside of the Shoreland District must be <br /> replaced by December 31, 2010. <br /> This ordinance sha11 be available in full printed text for inspection by any interested party <br /> during regular office hours at the of�ice of the Orono City Clerk. <br /> This ordinance sha11 be effective upon publication of this summary ordinance. <br /> Gabrie abbour, Mayor <br /> ATTEST: <br /> �. ,Ce, <br /> Linda S. Vee, City Clerk <br /> Page 2 of 2 <br />