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M/S/P John/Conlin — to table Resolution No. 97-62 ordering the preparation of feasibility report on the improvement of Hill Trail N. and a legal survey for right-of-way in the area of Hill Trail N/50'" Street. to the November 18 Council meeting to discuss the cost of a legal survey for the right -of-way and if the City Engineer would be able to do it. Staff will present the Council with information about the property dispute. (Motion passed 4-0). B. Ordinance adopting Wetland Treatment Regulations The Council reviewed the Wetland Treatment Draft regulations prepared by Tom Prew. The Council decided to allow the designer to determine the location of septic tanks. That is, not every home would be required to have its own septic tank. Under Section 720.03 Rules, Section A. 7080.0130 Sewage Tanks, the Council deleted "Each dwelling shall have its own sewage tank." Setbacks for location of systems were discussed. A suggestion was made to read "and treatment cells shall be located a minimum of 50 feet from any property line, and 100 feet from any existing or proposed home". The engineer and staff were directed to review the setback requirement. Tom Prow was asked to compare pumping costs for individual and collector system tanks. Who in the City shall receive the rest results of the monitoring plan? M/S/P Conlin/Dunn — to table the DRAFT Wetland Treatment Regulations to the November 18 meeting in order to review the setback limitations and monitoring plan with copies of ordinance sent to all interested parties. (Motion passed 4-0), C. Adoption of Engineering Standards for Streets Attorney Filla recommended that the Engineering Standards for Streets be an appendix to the City Code. Tim Freeman has concerns on use of concrete curbs versus bituminous curbs and will contact the City Engineer. M/S/P DeLapp/Dunn — to table adoption of Engineering Standards for Streets until the November 18 meeting to review in detail the concrete curb issue. (Motion passed 4-0). 7. PLANNING, LAND USE & ZONING: A. PUBLIC HEARING: Variance to septic system regulations permitting a mound system for new construction: Applicant: Donna Herzfeld, Heritage Farm City Planner Terwedo explained this is a request to allow a mound system on Lot 12, Block One, Heritage Farm because a standard system cannot be used. The reserved area has mottled soils at 20" to 30" below the surface. The State Code requires 36" of separation between the bottom of a drainfield trench and the mottled soil or water table. As a certified onsite sewage treatment designer and inspector, Jim McNamara believed the time has come for the City to update the City ordinance and include mound systems for use as initial systems. Over the past 20 years, technology in sewage treatment systems has advanced greatly. Sewage treatment mounds are considered not only an effective method in sewage treatment, but have received approval as an initial system as well. Most areas in Minnesota, including Washington County, accept mounds as a standard and acceptable method of treatment. The Council acknowledged the letter from Tom Prew recommending approval of the variance request based upon the Findings: 1. The developer did extensive testing during the development of this plat. Soil conditions were taken into account when the lots were laid out. 2. The plat was approved assuming an inground system could be placed on each of the lots. This was based upon testing done by the developer and 3. There is adequate area on the lot for an initial and a backup system. Mayor John called the public hearing to order at 10:22 p.m. LAKE ELMO CITY COUNCIL MINUTES NOVEMBER 4, 1997 5