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3.2 Watermain The existing water distribution mains in the project area were installed in the 1960's of cast iron pipe . The service connections are expected to have lead ' "goosenecks"and galvanized or copper service lines to the individual homes. In general, the system has provided good service but main breaks are becoming more likely as the pipes approach 40 years of service. In addition, ' the lead goosenecks may be a source of lead in the residential water supply and the galvanized pipes are probably heavily corroded and possibly leaking. 3.3 Storm Sewer The existing storm sewer system in the project area consists of a 36-inch RCP, which collects storm water from the intersections of Stinson Boulevard and 29th Avenue, and CSAH 88 and 291h Avenue, and directs this water south down Wilson Street. The storm water conveyance system within 291h Avenue is considered a trunk system which receives water from approximately 330 acres. During heavy ' rainfall conditions, the storm sewer is not adequate to collect the runoff and convey it from the street area. Intersections regularly are flooded with a few inches to a few feet of water. In some cases the water level is high enough to flow from the roadway into adjacent garages and basements. 3.4 Streets ' 29th Avenue is a 40-foot wide residential street with concrete curb and gutter with driveways. Initial soil borings indicate that the street has about 12 ' inches(12")of bituminous paving over two and one-half feet of silty sand and clay fill. Sandy lean clay underlies the fill material. No water table was observed during the boring completed in August 1998. ' City of St.Anthony A 2000 Street&Utility Improvement Project WSB Feasibility Report WSB Project No. 1065.25 ' Page 5