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Minutes - 01/19/1994 WWTP - - WASTEWATER ADVISORY COMMITTEE WORKSHOP WITH WOODBURN CITY COUNCIL MINUTES OF JANUARY 19, 1994 Woodburn City Council Chambers Advisory Committee Members Present: Bill Mitchell Forrest Mills Gil Flaugher Jo Ann Bjelland G. S. (Frank) Tiwari Frank Sinclair Wes Bauer Marv Shelby Rich Barstad Council Members Present: Kathryn Figley Don Hagenauer Elida Sifuentez (Bill Mitchel\) Mayor Kelley Members Absent: Preston Tack Scott Burlingham Staff: Dean Morrison Randy Rohman Duane Barrick Steve Goeckritz Chris Childs The City Council and Wastewater Advisory Committee workshop started at 7:05 pm with Councilor Mitchell presiding. Frank Tiwari started with a rhetorical question as to what it takes to have a wastewater treatment facility operational, discharging to the river. First, there is a collection system, which has residential, commercial, industrial, nonpoint and seepage or storm water going into the system. Secondly, because of new regulations, we are now required to do something extra to protect the environment and must aggressively plan for that now. At this point we are discharging into the Pudding River, however, for our planning purposes the Willamette River may be considered also. Population predictions must be made also. Planning Director Steve Goeckritz pointed out that in April of 1990 we received our U.S. Federal Census Count showing a population of 13,404. In 1992 we received the next figure from P.S.U. Population and Research Center providing a population figure of 14,005. In November, 1993 they provided us a figure of 14,055, which doesn't equate with the type of growth we've seen in the last year. Also, data has been collected by both Public Works and Community Development that indicated a population of 15,645. Our best "guesstimate" as to migrant population is 1,662. Endeavoring to project where these figures will go, Portland State's projection for Woodburn is about 24,000 by the year 2,020. City staff is projecting 36,235 in approximately the same time frame based on 2.84% growth rate. Between 1970 and 1975, Woodburn had a growth rate of 4.2%. While we don't expect to see that rate of growth again, if that was to happen, by 2,020 the population would be over 41,000. We are comfortable with the 2.84% growth rate. Portland State University feels that Oregon, as a state, will realize a growth rate of 1.9-2.0% in the next 5-10 year period. That is lower than the rate projected for Woodburn, however, some areas will grow more rapidly than Page 1 - WW\ADVCOM\MIN1-19 , 11 - - others. Wilsonville has realized an 8-10% growth rate in the last five years. They don't anticipate that same growth rate in the future because they have now utilized most of the multi-family residential land. So now they are moving into single-family residential development, having a much slower increase anticipated at 4-5%. Salem doesn't really have projection figures available. Steve talked with Dan Redan of Metro regarding the impact on Woodburn of metro growth. He is faxing that information January 20, 1994 so we have a base to work from which will make our population projection decision much easier. Frank Tiwari itemized factors that will influence the treatment plant facility: regulations, residential population, both permanent and temporary, commercial and industrial growth. Infiltration and inflow must be considered also, which is greatly affected by the age and condition of the system. Most plants run out of capacity earlier than projected. The point is this: The city must determine what kind of growth is anticipated or desired and then we must plan accordingly so as to be prepared. Bill Mitchell referred to Wilsonville not anticipating all of their multi-family area being built at one time. Approximately 24% of our units are multi-family and Woodburn is actually in a deficit in regard to our ratio between multi-family and single-family lands available for development. At some point that may change and could immediately have an impact, yet it would level out and not be ongoing. Steve Goeckritz said that we don't expect the same situation as Wilsonville. Their land is so high priced there, they have had to build multi-family because it was the most economical. However, our population projection of 36,000 would certainly fill in our urban growth boundary. Daria Wightman and Gordon Merseth both added that no major change in technology is expected. Marv Shelby, of Agri-pac, said that their growth is expected to be much the same as the last ten years and that they will continue to do their own treatment. Mayor Kelley commented that he is in favor of a regional approach with Woodburn as the focal point and planning for the high side of population growth. GiI Flaugher reminded the group that all the projections made by cities thus far have been on the low side of what actually happened and he feels projections made for Woodburn are probably too low also. Frank Tiwari explained that a treatment plant must be designed for a certain capacity or parameters, and for cost effective operation it should be neither too large nor too small. Wes Bauer asked whether Woodburn has had the benefit of an economic development council to help increase the population through an industrial search. Also, since there is a time line constraint, is there any possibility of parallel planning to take into consideration the regional aspects that we've been hearing about tonight? Frank Tiwari pointed out that Gordon Merseth is looking at the regional services area, but he knew of no economic development council to increase population. GiI Flaugher suggested the Advisory Committee needs some direction from the City Council as to what direction they want to go. Rich Barstad asked whether the council anticipates that it will discourage growth in any way and, if not, we have to go on the basis of what we think the community will attract. Wes Bauer stated that the City of Springfield worked for 10 years to get Sony into their city which will result in a work base increase of 300 people. Are we working in a similar situation? Jane Kanz, of the Chamber of Commerce, said that there is a methodology involved where you decide which companies that we have in town and which type of services we are missing. The Page 2 - WW\ADVCOM\MIN1-19 1i - Chamber has not gone through an official process of doing that, but has a committee made up of business people in Woodburn working on similar things. Jo Ann Bjelland commented that we still need to know what the council thinks and, as has been mentioned before, we have a safe 10% margin of error. Rich Barstad brought up the Willamette River discharge option and since we would have to lay pipe anyway, using oversize or larger pipe would accommodate increases later on. Frank Tiwari agreed that whether we opt to discharge to the Willamette can make a real difference on this decision. Rich stated that this plant will be built not only for 20 years, but will have provisions for growth beyond that point. In response to a question from the City Administrator, Rich Barstad stated that historically Silverton's growth has been below Woodburn's rate of growth and Silverton is using 2.5 percent growth projection for its facilities planning. Industrial flow, for design purposes, is in the 25 % range and would include pollutants. We are going to be looking at how to accommodate this flow and what the costs are. If we use historical flows for our figures, we can adjust for that. Joe Kimmel and Brian Conroy didn't foresee any increase in the cannery industry in the future. There was a lengthy discussion on the merits of 4.2%,3.4% and 2.84% rate of growth estimates for the city. At this point, the members of the council and members of the advisory committee agreed that a population growth of 3.4% and industrial growth between 1/2 and 1.0 percent annually be used for planning purposes. Chairman Mitchell acknowledged the presence and support of Barbara Lucas who has agreed to be this committee's public relations person and thanked her for all her work. Bill Mitchell/Rich Barstad motioned and seconded the appointment of Barbara Lucas as public relations person for the Woodburn Wastewater Advisory Committee. The motion passed unanimously. There will be no February meeting as Frank Tiwari will be out of town and the next meeting is scheduled for the third Tuesday in March. Wes Bauer/ Bill Mitchell motioned/seconded approval of the minutes of December 20, 1993. Motion passed unanimously. Meeting adjourned at 9:45 pm. Page 3 - WW\ADVCOM\MIN 1-1 9 r '""