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Last modified
1/25/2010 6:48:09 PM
Creation date
10/5/2006 1:13:53 AM
Metadata
Fields
Template:
Floodplain Documents
County
Statewide
Basin
Statewide
Title
Colorado Flood Plain Information Reports
Date
1/22/1987
Prepared For
CWCB
Prepared By
US Army Corps of Engineers
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />Flood of May 1876. The Greeley Tribune of 24 May 1876 <br />reported the local river bottom all under water from record <br />rains. <br /> <br />Flood of June 1884. The Boyd farm northwest of Greeley <br />was said to be entirely under water for the first time from a <br />combination of snowmelt runoff and rainfall. <br />. Flood of June 1891. A dam failure in the upper basin <br />washed out the stream gage so no accurate discharge could be <br />determined. The peak discharge was later estimated from a high <br />water mark to be 21,000 cubic feet per second. <br />Flood of 21 May 1904. Flooding in the study reach on 21 <br />May 1904 resulted from rains of "cloudburst intensity" in the <br />foothills at about 7,000 feet elevation during a period of rapid <br />snowmelt on the headwaters of North Fork and Boxelder Creek. <br />Rainfall of 2.66 inches was recorded in the North Fork area. A <br />peak discharge of 20,000 cubic feet per second was estimated at <br />Livermore on the North Fork, and a peak discharge of 7,500 cubic <br />feet per second was estimated on Boxelder Creek near its mouth. <br />Fortunately, rainfall in the lower basin was moderate with only <br />0.21 inches recorded at Fort Co 11 ins and on ly 0.09 inches <br />recorded at Greeley, or this flood might have been of even <br />greater magnitude. Damage was heavy at Fort Collins and Boxelder <br />Creek, downstream from Fort Collins, contributed high flows. The <br />Greeley Tribune stated: <br /> <br />16 <br />
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