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FLOOD04873
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Last modified
1/25/2010 6:47:34 PM
Creation date
10/5/2006 1:06:30 AM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
359
County
Archuleta
Community
Pagosa Springs
Stream Name
San Juan River and McCabe Creek
Basin
San Juan/Dolores
Title
Flood Hazard Analysis - San Juan River and McCabe Creek in the vicinity of Pagosa Springs, Archuleta County, Colorado
Date
9/1/1977
Designation Date
5/1/1994
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />the river commenced cutting through its bank at the head of <br />Hermosa Street. Sand bags were placed in position and the flow of <br />water halted, but 2 or 3 families moved to higher ground. Peak <br />discharge was estimated at 16,000 cfs which is approximately the <br /> <br />in Town Park, Unusually high rains and a large amount of trash and <br />debris caused the bridge to be carried down the San Juan. Water <br /> <br />was considerably higher than during the spring runoff. Debris and <br /> <br />tree trunks were coming down ,the river so fast that it was not <br /> <br />100-year' flood. <br /> <br />possible to keep them cleared from the bridge. Until some type of <br /> <br />May 16, 1941 - High river flows from melting snow in the lower sections <br />of the hill country caused much concern during the past week. <br />Property loss was kept at a minimum through the efforts of large <br /> <br />bridge is built, residents across the river are without adequate <br /> <br /> <br />fire protection and take the long way around to reach town. <br /> <br />August 31, 1967 - A sudden cloudburst caused a wave of water, debris, <br /> <br />, <br />crews of workmen who kept the river courses in channel. A house <br /> <br /> <br />and electric shop were moved out of reach of the river, Just in <br /> <br /> <br />time to keep from being washed away. The ground on which the <br /> <br />and mud to sweep through a portion of Pagosa Springs. The high- <br /> <br />water was caused by a downpour over the drainage north and west of <br /> <br />town. McCabe Creek was out of Its banks through town. Business <br /> <br />buildings stood went down the river. <br /> <br />houses were flooded and water swept through homes. There has been <br /> <br />no accurate assessment of the damage in dollars. The major damage <br /> <br />. <br />August 10, 1951 - McCabe Creek In the west part of town was fairly high <br />for a time and all borrow pits were full. Some of the heavy rain <br />in back of the Batie and Moreland food store reached a depth of 4 <br /> <br />was centered around the intersection of the highway and Seventh <br /> <br />Street. <br /> <br />or 5 inches in the store. <br /> <br />The weeks of September 6 and September 13, 1970 - Total rainfall for <br /> <br />these weeks were 2.55 and 2.44 inches respectively. The soil was <br /> <br />June 6, 1957 - Melting snowpack expected to swell river to overflow- <br />_river depth at the pagosa Springs gage was 8.12 feet (depths of <br />water 8 to 9 feet are within the la-year frequency flood levels). <br />Work crews kept floating logs, trees, and other floating debris <br /> <br />soaked with moisture. Flood damage was heaviest to highways, <br /> <br />bridges, and roads. Water was up in many homes in the Town Park, <br /> <br />down the river, and other sections of the county. Peak discharge <br /> <br />from destroying the bridge in Town Park. <br /> <br />at the pagosa Springs gage was 6,S80 second feet (slightly larger <br /> <br />than the 10-year frequency flood event) on September 6, 1970. <br /> <br />August I, 1957 - lots of rain caused plenty of damages to roads and <br /> <br />bridges. The biggest loss was the bridge across the San Juan River <br /> <br />- 9 - <br /> <br />- 10 - <br />
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