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July 21. 1971 <br />IZRC21ATI2N TEST <br />Fo.rs Joseph N. Boyer <br />Lot 10 Block 3. Swan Lake Addition / <br />Hennepin County, Minnesota <br />i <br />6 Two percolation tests were made at Lot 10 Block 3, Swan <br />Lake Addition on July 21, 1971. The tests ware made in accordance <br />with the method described in the Small Sewage I.orks manual prepared <br />by the Minnesota Department of Health. <br />Measured rates of percolation were 2 inches per hour at <br />test hole A and 1 1/4 inches per hour at test hole B. Based on <br />these tests a minimum drain field area of 1.25 square feet per <br />gallon of sewage per day should be required. <br />