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�� To: Jeanne A. Mabusth, Building & Zoning Administrator From: Michael P. Gaff ron, Asst Planning & Zoning Administrator Date: March 30 , 1990 Subject: #1519 Fullerton Properties - Willow Drive/County Rd 6 Sketch Plan - Septic Concerns I have transferred the soil survey information to a copy of the proposed plat, and would make the following preliminary comments for sketch plan review: 1. Soils on the west half of the site are mainly LeSueur loam, slopes genera lly 6$ or less and water table generally no higher than 3' be low the surface. The lots designated as Lots l , 2 and 3 , B1ock ,Y?�and Lots 1 and 2 of Block�2',� have substantial areas of LeSueur loam and probably will find suitable sites for mound _.��stems,.._ .. ,.. . ._. ....�... _. �. ,.. ...._ ,.._.__._,�.,.,._�,_...�, __ , ..:,.. .. _�.._.... _..__.._r ' � �� 2 Lots 3 and 4 , Block ,2� contain areas of Kilkenny and ; Lester clay loam soils which generally are a little heavier � clay soils. Again, these lots would probably require mound ' ,'� systems and both appear to have some area of acceptable� ' �,s lopes . ....,.:. . _.. ._.. _ ,_ _... ,; _ .. _�___ _..,..... �,..... ..__, _w.r _ _. ._....__ . � 3 ^The existing farmstead in Lot 5 , Block �2' ( 2225 Sixth Avenue North) has one 1, 000 gallon pre-cast concrete tank west of the farm house, and drainfield that is unknown. Notwithstanding concerns about drainage through the west end of this lot, there may be suitable expansion sites west of the house. The higher ground on which most of the buildings ;are located is a Hayden clay loam, often requiring mound systems due to slow perc rate, with the areas west of the house appearing to be a Glencoe silty clay loam which often precludes the use of a� system. I 4. Lots 6, 7, 8 and 9 of Block� contain substantial a�eas of Glencoe soil which often has water table at the surface during the wet season. Lots 6 and 7 would appear to have a drainageway from the north bisecting these lots into a front and rear portion. Lot 6 may have some mound sites on the fringes of the Glencoe at the front or rear of the lot. Lot 7 will have an extremely difficult time trying to find drainfield sites that are more than 75' from the designated wet land area. Lots 8 and 9 are a 1 so quite low, containing most ly wet soils. These two lots might find suitable mound sites near the road, probably ending up in front yard areas. Both Lots 8 and 9 have a number of drainage concerns, as they are the receiving area for overland flows from the west.