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LAKE ELMO CITY COUNCIL MINUTES JULY 1, 1986 PAGE 7 City Attorney Knaak handed out the authorized state statutes and regulations on surface water use. He added that the City can regulate surface water use on Lake Elmo by ordinance with the approval of the DNR Commissioners. A suggestion was made to have a public hearing involving Lake Elmo lake residents to determine the regulations they would like to see on the lake. City Attorney Knaak will draw up a draft ordinance to be reviewed by the City Council before a public hearing is scheduled. M/S/P Dunn/Armstrong - to have a staff update on water safety on Lake Elmo and existing local ordinances. (Motion carried 5-0). 11. CITY ENGINEER'S REPORT A. Derrick Land Company: Results of Percolation Tests City Engineer Bohrer reported in his report dated June 26, 1986 written to the Mayor and Council that the monitoring is now complete and the results are attached to this report. The critical elevation for these sites based on the approved grading plan is 974.0. Two consecutive water level readings above 974.0 in any of the observation wells would classify the site as unacceptable. The results show that all of the lots are unacceptable to varying degrees. City Administrator Overby handed out a letter written by Mr. Roger Derrick's Attorney Christopher J. Diet-zen dated June 27, 1986. Mr. Roger Derrick, who was accompanied by Doreen McClellan, acknowledged that all four tests failed. He felt they failed because the grading was not completed and because April was one of the wettest months on record. His engineers have reviewed the grading plan and have approved it. He added that it is Derrick's intentions to complete the grading work before the grading permit expires this Fall (November 19, 1986). He will add more fill, put topsoil on and seed it so it looks good and would like this to set another winter so percolation tests can be taken next Spring. Mr. Derrick showed the City Council an illustration of how the filled lots would look. City Engineer Bohrer stated that, from an engineering standpoint, he could not predict today the results of the grading plan for next Spring. M/S/P Christ/Dunn - to table final action on the Derrick Landfill permit (Lots 1-4, Block 2, DeMontreville Highlands 3rd Addition) until the July 15,1986 meeting. (Motion carried 5-0). B. Sunfish Lake Pumping At the City Council's direction, City Engineer Bohrer has continued to search for a suitable location to dispose of excess Sunfish Lake water by pumping and infiltration. There appears to be a suitable 40 acre parcel in the Washington County Regional