Ordinance - #84-02 - 02/28/1984 - Laserfiche WebLink

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less than one-half (1/2) minute per inch. See Section 150.01.4G. Consider sewage treatment units for problem soils with this percolation range. See Section 150.01.4G. Subd. ~ LOCATION 1. On slopes ~ excess of twelve per cent (12%), the soil profile shall be carefully evaluated in the location of the proposed soil treatment area and downslope to identify the presence of layers that may cause sidehill seepage. In no case shall a trench be located within fifteen (15) feet of such a layer surfacing on the downslope. 2. Bed construction shall be limited to areas having natural slopes of less than six per cent (6%). 3. Any soil treatment area other than seepage pits shall be set back the following distances from the features given below. Feature Water supply well less than 50 feet deep and not encountering at least 10 feet of impervious material Any other water supply well or buried water suction pipe Buried pipe distributing water under pressure Building Property lines Setback Distance in Feet 100. 5O 10 20 10 *Required for new developments and, where practicable, for existing developments. 4. Any soil treatment area other than seepage pits 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. Regulation Recreational development lakes General development lakes and streams Wild river Scenic river Critical river Designated tributaries of wild, scenic and recreational rivers Setback Distance in Feet 75* 50* 150' 100. 100. 75* *Required for new developments and, where practicable, for existing developments.