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tSTATE OF DEPARTMENT HG0O�'La Metro Waters, 1200 PHONENO. 772-7910 Mr. Mike Black James R. Hill Inc. 2500 West County Road Suite 120 Burnsville, Minnesota F MAY 4 1992 OF NATURAL RESOURCES Warner Rd., St. Paul, MN 55106 FILE NO. 55337 RE: CITY OF LAKE ELMO FLOODPLAIN ORDINANCE Dear Mr. Black: April 30, 1992 Thank you for the opportunity to comment on the draft ordinance received April 27, 1992. I will attempt to clarify our position on the items which were marked with astericks: 1) Page 7 Item 5: When the Department considers and interprets this section of an ordinance, we primarily look at conveyance. There are some cases where insignificant amounts of fill in the floodway will not change the conveyance capabilities. A common case would be a low spot in a yard or placing topsoil before seeding. The city could eliminate this section if they desire. 2) Page 9 E: A certificate of zoning compliance is the same thing as a certificate of occupancy. The city could change the name if they desire. The final question that the Planning Commission posed was in regards to the accuracy of the flood insurance rate maps. We have done some preliminary research and have noticed that some of the elevations have changed, which is likely due to better information than they had in 1979 when the maps were drawn. The DNR will enter the city of Lake Elmo's name on the list for federal re -study. only a few studies are done on an annual basis. If the City's request is granted, FEMA pays for the study. They hire a consultant who will meet with the City and Watershed District to gather all available data. The next cycle for re -study won't be until 1994. If you have further questions please contact me at 772-7910. Sincerely, Molly C. Shodeen Area Hydrologist cc: Mary-iueffner, City of Lake Elmo Bill Huber AN EQUAL OPPORTUNITY EMPLOYER