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6 a Administrative Offices 3301 Silver Lake Road, St. Anthony, Minnesota 55418-1699 (612) 789-8881 FAX (612) 781-9323 October 13, 2000 Mr. Don Bluhm Metropolitan Council of Environmental Services Mears Park Center _ 230 E. 5`1 Street St. Paul, MN 55101 Re: Comprehensive Plan Amendment Harding Street Lift Station Rehabilitation&Appurtenant Work City of St. Anthony WSB Project No. 1065-453 Dear Mr. Bluhm: It has been brought to our attention that the intent of our September 21,2000 correspondence may have been interpreted,to mean that the City of St. Anthony would not continue working to meet the I/I reduction goal. This was not the intent,and we apologize for any confusion that may have lead to that conclusion. The Mayor,City Council, and City Staff are committed to reducing the system I/I and we feel that the 1.68 peak flow ratio goal established by MCES for the City of St. Anthony is achievable. The City is currently in the middle of a large storm sewer improvement project that involves removing some homes and a city park for creation of holding ponds. These projects have been difficult and time consuming but they are deemed to be necessary and they will reduce the peak I/I flow in the sanitary sewer system during extreme conditions. The worst I/I in recent history occurred in July 1997 and was partially the result of severe flooding of streets and homes. The storm water that filled the basements drained into the sanitary sewer through the basement floor drains. The surface flooding undoubtedly . contributed a measurable amount of clear water to the system. The current storm water improvements will significantly reduce the potential.for future I/I contribution of this type. The other main source of I/I is believed to be passive drain tile systems routinely installed during the construction of homes in the early growth periods of the City. These sources are difficult to identify and can be very costly to correct,but the City is committed to continue the current program of"point-of- sale"correction which currently corrects about 60 homes per year,and expand the program to include education and possibly removal assistance program in 2001. At this time the program has not been expanded due to the significant commitment of staff resources and funds to the major storm water projects. The Council fully intends to continue to work toward reducing the private property I/I and we are confident that the stated goal is achievable. Our dilemma is the Harding Street lift station. The station and forcemain are 44 years old and a constant source of maintenance and concern for the operating staff. Repair parts are becoming scarce and the capacity has declined to about 65 gallons per minute. During normal conditions the pumps do handle F AW P W 1M 1065-4SU 01300db.wpd