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y ~ <br /> <br /> t» + <br /> Depa tment of Public Works <br /> Main enance Division <br /> Page 2. <br /> or 1 ngering odors, Hatch explained. Property owners will be notified <br /> of a y deficiencies on their property. <br /> 'I ~ In the last two years, 114 miles of sewer, about 30% of the system, <br /> i. <br /> j has een tested. Many of the properties tested were older residential <br /> area where water inflow from defects in the older sewer system was <br /> ~I expe ted, Hatch said. <br /> The type of defects found included leaking building service <br /> line which would accept rainwater, and roof drains, yard drains and <br /> catc basins connected and draining into the sanitary. sewer system. <br /> Hatch indicated the Smoke Test Program will not result in <br /> elim Hating all sources of excess drainage water from the sewer <br /> syst m, but should remove enough to allow the treatment plant to <br /> hand e peak flows during heavy storms. This will allow more thorough <br /> ' trea rnent of the effluent which is discharged into the Willamette <br /> Rive Other advantages are that decreased flows will reduce the <br /> cost of treatment and help decrease the size and capital cost of <br /> 'I j futu e up-grading and plant expansion programs. <br /> I,i <br /> i <br /> i <br /> I <br /> ~~I <br /> ~i <br /> <br />