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' / �� ,z;=.1,'. �h� i'^�� ;�'i � C_ '�(�-�7�P�+.��"'� O ' . , . � �_ ��- f g�. ; . g��- , . �_ / _T L, f3L� ' / �H/LLlPS V"ooDZ,�N� J�29Gcs L� � �� ?� r� � 8 � 545 Indian Mound Wayzata, Minnesota 55391 October 13 , 19 7 8 (612)473-4224 Mr. Paul Philips 2160 - 6th Avenue North ' Long Lake, Minnesota 55356 Re: Percolation Tests for Lots 1 and 2 , Block l, Eckstrom Addition, Septic System Design for Lot 2, Block 1, Eckstrom Addition, Orono, Minnesota. Job Number 11-78-56 Dear Mr. Philips : Enclosed is information requested for an on-land sewage treatment system for the above-referenced lot. The drainfield information is based on percolation tests and soil borings performed on October 3 and 4, 1978. Six 6"-diameter percolation test holes were augered to a depth of 3 feet. Three 1"-diameter soil borings were augered to a h of 8. 0 feet. LOT 1 - The soils found on Lot 1 are Hayden clay loam, Glencoe silty clay loam, and Lester loam. These soils are mapped in Figure 1. Soil borings indicate that in the test area the water table is at a depth of greater than 8. 0' . The percolation rate for the primary field as tested was 25. 0 Minutes/Inch. The percolation rate for the secondary field as tested was 27 . 3 Minutes/Inch. The location of the percola- tion test holes, soil borings, and the proposed drainfield areas are indicated in Figure l. Percolation rates and depths to the water table are shown in Table l. The soil logs of the soil borings are shown in Table 2 . Because of the acceptable percolation rates and because of the accept- able depth to the water table, a conventional on-site treatment system is recommended for this lot. This recommendation applies only to the test area. The soils found on Lot 2 are Hayden clay loam, Lester loam, and LeSueur loam. These soils are mapped in Figure 1. Soil borings indi- cate that in the test area the water table is at a depth of 4 . 5' . The percolation rate for the primary field as tested was 44.0 Minutes/Inch.