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T r\ /y <br />TOLTZ,SOCI <br />L <br />.�.1 ..IL..i. <br />TES,INDUVALL, INCOSON <br />AND ASSOCIATES, INCORPORATED <br />RPORATED <br />ENGINEERS • ARCHITECTS • PLANNERS <br />1500PIPER JAFFRAVPLAZA <br />- <br />444 CEDAR STREET <br />SAINT PAUL, MINNESOTA 55101.9140 <br />PHONE:61=92.4400 FA%:512P2924033 <br />January 12, 1994 <br />Honorable Mayor and City Council <br />Lake Elmo, Minnesota <br />Re: MPCA State Disposal System Permit <br />City of Lake Elmo, Minnesota <br />Commission No. 9150 <br />Dear Mayor and City Council: <br />Our State Disposal System Permit, which covers our 201 system, is now being reissued. The <br />City staff has met with the MPCA to review the 201 and discuss our operating procedures. <br />We have reviewed a draft of the new permit and there are some areas of concern we would like <br />to discuss with the MPCA staff. We are concerned about the following items: <br />The MPCA would like a new monitoring well drilled at Oakland School. This new well <br />would cost about $4,000. We feel that additional monitoring well is not necessary. <br />2. An increase in the frequency of drainfield inspections. Currently, the drainfields are <br />inspected quarterly. The draft permit requires monthly inspections. This would increase <br />the time the City staff spends on inspections, and in turn, increase sewer bills to our 201 <br />system users. There is really no need to inspect the drainfields monthly, since in 6 years <br />there has been no problem with the drainfields. <br />3. The frequency and number of ground water tests at Oakland School have been reduced. <br />However, if an additional monitoring well is installed, there will probably be no reduction <br />in cost to the school district. <br />We will be meeting with the MPCA to discuss the new permit. We will keep you informed on <br />the results of these meetings. <br />Sincerely, <br />Larry D. Bohrer, P.E. <br />LDB/mha <br />