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Sl~jt\rE OF CC)LC)RA.DO - ---r----- ----- J' fj;r;,;Y:~ .~ .IY< 1I~~ .......,/ '1{" {J~ i ~ / I ! \./ /~i ,erf\lv~~ (.,'pf" "II Colorado Water Conservation Board Department of Natural Resources - 721 Centennial Building 1 31 3 Sherman Street Denver, Colorado 80203 Phone: (03) 866.3441 FAX, OO,} 866-4474 October 6, 1997 R(lY Romer CO.\'rrlUI Mr. Randall Gustafson, City Manager City of Sterling, Colorado 421 N. 4th Street P.O. Box 4000 Sterling, Colorado 80751 Jrtrnes S, Lochhe.:1d Executive Director, [)~'!< D,Hip,C Lill,.oE D'r,'Clor (WlB RE: 45 day Notice for a Recommendation to Rescind Floodplain Resolution 97-456 - City of Sterling, Pawnee Creek Overflow The Colorado Water Conservation Board (CWCB) at its May 12, 1997 Board Meeting approved Floodplain Resolution 97-456 for the report entitled "City of Sterling, Floodplain Analysis, Pawnee Creek Overflqws" dated February 3,1997 which was prepared by Icon Engineering, Inc. Icon Engineering, Inc. (Engineer) prepared the report for Design Technics, Inc. The findings and recommendations in the subject report present the 100- year floodplain information for a proposed subdivision development. The Engineer used thf' hydrologic and hydraulic data for the investigation and evaluation which was previously approved by the CWCB and accepted by the City of Sterling (City). The Engineer performed a standard floodplain analysis as requested by the City. The Engineer perfonned the analysis in compliance with the CWCB's "Rules and Regulations for the Designation and Approval of Floodplains and of Storm or Floodwater Runoff Channels in Colorado". As discussed with your staff, the August 1, 1997 Flood on Pawnee Creek and the resultant overflows which entered the City of Sterling demonstrated that a portion of the City's floodplain mapping may be in question. From the field surveys and inspections that the CWCB staff have perfonned in cooperation with the Corps of Engineers, we find that the Board's Floodplain Resolution 97-456 shouid be reviewed in detail and based upon the staff's findings a recission recommendation may be made to the Boa.rd at it's November 24-25, 1997 meeting. By this communication, I am providing the City of Sterling with a formal notification of the Board's review and potential rescission of its designation for FPR 97-456 pursuant to Rule 9 0.2 (Board's Initiative) of its "R.ules and Regulation for the Designation of Floodplain Information". Should you request a meeting or hearing to discussion this action, I will happy to respond. Sincerely, ~A.~ ,~ ~;;Ing, Chief Flood Control and Floodplain - Management Section cc. Mr. Daries "Chuck" Lile, Director a:stemotc.doc