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<br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br /> <br />FIELD RECONNAISSANCE REPORT <br /> <br />Project: <br /> <br />CWCB Floodplain Designation Project <br /> <br />Site: <br /> <br />Town of Hot Sulphur Springs <br /> <br />Date of Visit: <br /> <br />September 27,2002 <br /> <br />Date of Report: <br /> <br />October 3, 2002 <br /> <br />Personnel Present: Joel Seamons, MWH <br />Tom Browning, CWCB <br /> <br />Prepared By: <br /> <br />Joel Seamons, MWH <br /> <br />The purpose of the field investigation was to examine the current conditions of the <br />Colorado River and Heimbaugh Creek, to see what flood control measures are currently <br />in place, and to possibly meet with Jack Rickman, Director of Public Works, to see if any <br />additional infonnation could be obtained. The following summarizes the field review. <br />Selected photographs have also been included. <br /> <br />The Heimbaugh Creek Basin is the second largest basin in Hot Sulphur Springs (outside <br />of the Colorado River). The bed of Heimbaugh Creek was dry upon our visit. It includes <br />l. 76 square miles of drainage area and generates 120 cfs for the 100 year stonn. The <br />creek passes under Byers Street in a 3D-inch pipe (see photos #9-12), through a culvert <br />under Highway 40 (see photos #4-6), and then sheet flows (see photos #7-8) towards the <br />Colorado River (see photos # 1-3). Because of the lack of definition of Heimbaugh Creek <br />as it nears the Colorado River, there is no noticeable confluence. <br /> <br />Apart from the description provided in the attached hydrologic sheets which are a part of <br />the Floodplain Infonnation Report for Hot Sulphur Springs, the Colorado River has <br />various gabion rock structures embedded into the east side of the river (see photo #3). <br />These structures are located adjacent to the bridge which is found on the west side of Hot <br />Sulphur Springs. <br /> <br />Mr. Rickman was unavailable on the day of the field reconnaissance. <br />