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11/19I2011 64:32 76349750'11 SPTESTINGINC PAGE 02/07
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<br /> �'� �������7� �1Y�., Steven B. Schirmers • f1APCA Cert.No. 627
<br /> 951 Kaiydid Lane 6VE • St. Michael, MN 55376 • (763) 497-3566
<br /> FAX (763) 497-5011
<br /> State License#394
<br /> Riovember 12, 2011
<br /> Backes Cabin
<br /> 170 Big Island .._ _, ,,E.. .,_; _
<br /> Orono, Henn. Ca., MN
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<br /> A Compliance Inspection was completed for the existing on-site sewage treatment .
<br /> system locafied on fihis property. The system consists of 1-1000 & 'I-?50 gallon sep#ic
<br /> tanks with 1201in.ft. of 10" diameter gravell�ss pipe sized for a loam soil afi 200 gal/day.�
<br /> Soil boring #1 found mottled soil (redox fieartures) at 34" below the surFace &the bottom
<br /> of the pipe at 22", leaving a 12" separation firom the bot�om of tlle pipe & redox
<br /> features�. Boring #2 found mattled soil a#40" & bottam of the pipe afi 34", leaving a, 6"
<br /> separation & boring #3 found mottled sdil a`t 30" &the bottom of the pipe at 22", leaving
<br /> a 8" separation. This system does not me�t the required 3' separation from the bottom
<br /> of the grauelless pipe & redax features 8� is classified as non-compliant, failing to
<br /> protect the ground water,
<br /> The upgrade will need to be determined by the City o�Orono.
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<br /> Steuen B. Schirmers
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