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TO: Mayor Butler Mark Bernhardson, City Administratot Orono Council Members Planning Commission :Members 77MI Jeanne A. Mabustt, Zoning Administrator DATt: September 4, 1986 sms #1039 Wm. Ulrich, 1535 Bohns Point Road - Conditional Use Permit/Variance seviea of Application - Applicant seeks a conditional use permit and variance application to install an underground pipe within the lakesYore protected area for the purpose of transporting waters used in a geothermal heating/cooling system to the lake. The underground pipe will run from the house to the lagoon area. The well that will serve the system is 6 inches in diameter and 322 feet deep (Prairie du Chien - Jordon Aquifer). This has been a difficult review for both the Orono staff and Planning Commission because as lay persons on such matters, we must depend on the opinions and testi nony of varied levels of experts. The :majority of experts contact`d so fa- in this review have all claimed a negligible impact on Lake Mi ietonka with no impact on the aquife2 The experts consulted as follows: PCA; DNR; Terra The n Corporation (enginee— staff); City Engineer; Cliff Reep, private consultant; and Prank Mixa, LMCD. The attached staff memo and exnibits highlight mucl. of the factual information sought to assist in the review (specifically refer to Exhibits A i B). --,e Planning Commission drew a split vote on this one. A) Recommendation of approval based on the following findings: !. Limits of ordinance deals wish excavation within 75 feet of lakeshore and increases in hardcover. The application involves no increases in hardc • _:r and land area will be restored to original state. 2. State agencies issue permits for ground water uses at specific levels - City appears to have no authority but only to assure that required state permits are applied for. 3. All other appropriate agencies find negligible impact on lak- in use of geothermal heating/cooling system.