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MILLS ENGINEERING CO. <br />Lonct '.uke, Minn. 55356 <br />473-9883 <br />April 19, 1973 <br />PERCChAT ION TEST - Ir. Gary Mondale <br />LOT 2, BUCK 3 <br />Long Lake Country Club Addition <br />Grono, 1�innesota <br />Percolation tests were made for the above lot in accordance <br />with the procedure described in "Smal Sewage works" prepared and <br />distributed by the blinnesota Department of Health. Two test holes <br />were used, and the test was run over a 24 hour period. The perco- <br />lation rate was calculated on the basis of the results obtained <br />in the last hour of testing. <br />Test Hole Fall - last Percolation <br />hour of test Rate <br />1 4 inches 15 min./inch <br />3 z 17 <br />Average Rate 1.6 <br />Based on this rate an absorption area of 0,82 sq. ft./ GPD. <br />i:; required. Assuming use by 4 persons with an al erage daily <br />water use of 60 gallons per day (UPD.), a drainfield at least <br />( 4 x 1)G x 0.e?. = 137 ) 20:� sq. ft. in size should be used. <br />_ Country Club Road <br />j <br />'5' <br />to I t holes rfy #2 ��- <br />201 r' 22' <br />prof,., -,!d horse+ <br />Po its - -�-- <br />