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Mr. Bigham <br />November 28, 1984 <br />Page 2 <br />5. Mrs. Albee expressed concern that the fill placed in the <br />ditch may not stabilize and may erode into the lake with the <br />spri'ng thaw (or sooner). I share her concern, and suggest <br />you either line the swale with plastic temporarily to <br />eliminate any erosion, or place hay bales at the bottom of <br />the hill to keep sediments out of the lake. <br />6. I have classified the system #2 only in that the size of <br />the drainfield is slightly less than the minimum code <br />requirement (600 s.f.) for any house in Orono, and in that <br />the drainfield is less than 75' from your well (required by <br />Orono Code) but meets the less restrictive 50' minimum <br />setback required by Minnesota Health Department regulations. <br />Under normal usage, I do not expect either item to cause you <br />or the City any health or safety problems, and we accept <br />this as the best possible system that could be installed <br />under the limiting site conditions. <br />Please call me if you have further questions. <br />Sincerely, <br />Michael P. Gaffron, <br />Assistant Zoning Administrator <br />Attachments <br />