Ordinance - #89-21 - 09/12/1989 - Laserfiche WebLink

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4. Any soil treatment area shall be set back the following distances if located in an area which has been designated as follows by any local, state or federal regulation. Regulations Setback Distance in Feet Recreational development lakes 75* General development lakes and streams 50* Wild river 150, Scenic river 100, Critical river 100, Designated tributaries of wild, scenic and recreational rivers 75* *Required for new developments and, where applicable, for existing developments. 5. Soil treatment areas shall not be placed in flood plains delineated by local ordinances adopted in compliance with the Statewide Standards and Criteria for Management of Flood Plain Areas of Minnesota (Chapter 6120), or in areas for which regional flood information is available from the Department of Resources except that in areas where ten year flood information is available from and/or approved by the DNR, soil treatment systems may be installed in accordance with the provisions of Chapter 7080.0210. 6. Soil treatment areas of individual sewage treatment systems that are designed to treat an estimated daily sewage flow greater than 3,000 gallons per day must be separated from other similarly sized systems by at least 300 feet. Subd. 3 - Design and Construction 1. The bottom of trenches and beds shall be at least four (4) feet above the water table or bedrock. 2. The trenches shall be not less than eighteen (18) inches, nor more than thirty-six (36) inches wide. Any trench wider than thirty-six (36) inches shall be considered a bed. No bed may be wider than 25 feet and parallel beds must not be located closer than ten feet apart. 3. Trenches and beds shall be not more than one hundred (100) feet in length. 4