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LAKE ELMO COUNCIL MINUTES - 9/6/83 Page 4 ( B. Gravel - Wisdorf said that this would be paid out of MSA funds. Roads will not be gravelled in next year's program. ♦ Fraser - would make sense to get with it according to Agenda Memo and since city engineer has been consulted. ♦ Dunn - my recommendation is that there is plenty of gravel; roads have to be graded up. ® Morgan - Can gravel be used for future bituminous? (Bohrer - if paved, takes major grading operations and 1 1/41' gravel base will have been pounded into subsurface.) ♦ Eder - would recommend expenditure for equipment to take out washboards in roads. (Wisdorf - overlay of gravel would suffice. M/S/P Fraser/Mazzara to approve Gravel Program as outlined by Dave Wisdorf in Agenda Memo, 9/6/83. (4 ayes; Dunn nay) C. Budget (Grader vs,Loader/Dump Truck) - Dave Wisdorf's comments in Agenda Memo are to be reviewed by Councillors for next Budget Meeting. 7. SPRAY IRRIGATION PROJECT FOR WASHINGTON COUNTY SANITARY LANDFILL NO. 1, BOB LOCKYEAR - Mr. Lockyear presented slides depicting history and remedial measures indicated in May 1983 report. Proposal we have before DNR is gradient control. • Paul Josephson of Hickok explained slides showing where monitor- ing wells are located, topographic levels and ground water movement in area, total number of analyses (compounds, measurable, and exceeding CPA criteria), where most of the contaminants were found (monitoring wells-60 and residential wells-7), summary of remedial measures (Phase IV -Design and Phase V-Construction) per May 1983 report, and map showing proposed measures--i.e., gradient control well with spray and irrigation system. • Lockyear - Do you endorse actual spray irrigation as proposed by County which will evaporate (25%) and seep into sand/gravel (75%)? ♦ Eder. - What is impact on Lake Jane and Sunfish Lake? (Lockyear we're doing interim pumping to see what response we get. PCA is also concerned with long-term solutions, and right now we have to discover those solutions. We want to determine rate of flow and cause -and -effect [will perhaps take about 6 months].) ♦ Lockyear - During winter, will try to work spray. We will not pump any more water than we have to. Spray site is about 3.4 acres. This proposal doesn't have any ramifications on present/future lawsuits. Proposal will be given to Watershed District Thursday night for approval. ♦ Eder - Our role would be to not endorse what you're doing but to recognize that your're trying to find out and solve problems and that Lake Elmo should be kept apprised of progress. ♦ Morgan - Can simple computer program be used to monitor wells? (Lockyer - we can pursue those kinds of things.) (Eder - U of M Hydrological Department may be of some help also.) Consensus of Councillors was that copy of County's day-to-day operating plans should be provided Lake Elmo and that County should pursue present course of experimentation without Lake Elmo's endorsement.