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<br />e into the natural drainage course which has been overrun by development <br /> filling the channel and caused water problems in several residents' <br /> backyards. Mr. Gleason said the water was really in the natural drainage <br /> course, but property owners have encroached on that channel and many of them <br /> were upset by the water. He said the City needs to establish the legal right <br /> of use to those water courses. If this is not done soon, the public's access <br /> to those water courses will be restricted by adverse possession. <br /> Mr. Lyle showed slides of detention basins that have been developed in the <br /> Portland area. These detention basins were developed in conjunction with the <br /> Public Utility District and can serve as multi-use facilities. <br /> Mr. Lyle said there are several dry wells in the River Road/Santa Clara, <br /> Willakenzie, and Bethel Danebo areas. The benefit of a dry well is that a <br /> large pipe system is not necessary for connection. Dry wells are more <br /> maintenance intensive, however. <br /> Mr. Lyle said the relationship between wetlands and the storm sewer system <br /> will need to be taken into account. Storm sewer systems cannot impact <br /> wetlands when they are constructed. Two benefits of using detention basins <br /> are that natural resource areas can be preserved and detention basins may be <br /> used as wetland banks. <br /> Mr. Lyle said another issue to be considered is that the DEQ will eventually <br /> require the City to look at discharge permits for storm water systems. <br />e Mr. Rutan asked about the possibility of piping the excess drainage to the <br /> wetlands mitigation areas. Mr. Lyle said staff will be exploring this <br /> possibility. Mr. Gleason said by developing a master plan for improvements <br /> to the storm sewer system, it will be possible to integrate solutions of this <br /> type. He said this would not be possible if the City reacts to storm sewer <br /> problems as they occur. Ms. Anderson agreed, saying she views the <br /> development of a master plan as an opportunity to solve multiple problems <br /> surrounding wetlands, storm sewers, and floodways. <br /> Mr. Rutan said he has a hard time judging how large of a problem this is. He <br /> questioned whether the problem occurs often enough to warrant spending $18 <br /> million to solve it. Mr. Rutan stressed the need to balance the capital <br /> outlay for these improvements versus the level at which the community feels <br /> its storm sewer systems should operate. Mr. Gleason agreed, saying he would <br /> like to see an infrastructure subcommittee of the council set the public <br /> standard for storm sewer systems. <br /> Mayor Obie asked for volunteers to serve on the infrastructure subcommittee. <br /> Mr. Holmer and Shawn Boles agreed to serve on the committee. The council <br /> decided to let the new mayor appoint the balance of the subcommittee. <br /> Mr. Boles suggested that in addition to systems development charges, there <br /> should be systems enhancement bonuses. A developer who enhances the storm <br /> sewer system could have some of his/her systems development charges reduced. <br />e MINUTES--Eugene City Council November 7, 1988 Page 3 <br />