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FLOOD00714
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Last modified
11/23/2009 1:37:42 PM
Creation date
10/4/2006 9:26:18 PM
Metadata
Fields
Template:
Floodplain Documents
County
Montrose
Community
Montrose
Title
FIS - Montrose
Date
7/17/1986
Prepared For
Montrose
Prepared By
FEMA
Floodplain - Doc Type
Current FEMA Regulatory Floodplain Information
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<br />in February 1980 (Reference 1). The U.S. Army Corps of Engineers work <br />was revised by the study contractor for this study to reflect changes in <br />Manning's "n" value, bridge codings, and flood plain delineation. The <br />Uncompahgre River flooding was revised from station 1244.5 to station <br />1698.5 in and around Montrose. The CWCB has concurred with these revi- <br />sions. <br /> <br />A revised Flood <br />(Reference 13). <br />of the Montrose <br /> <br />Insurance Study <br />The results of <br />County study. <br /> <br />for Montrose County is being prepared <br />this revised study concur with the results <br /> <br />A hydrology report was completed by MSM Consultants, Inc., in April 1979; <br />it included the unincorporated areas of Montrose and Delta COunties (Refer- <br />ence 14). All technical information from the hydrology report was used <br />in preparation of this study. <br /> <br />A flood plain information and urban drainage report for the City of <br />Montrose was prepared by Hydro-Triad, Ltd., in April 1979 (Reference 2). <br />The study included Montrose Arroyo, Cedar Creek, and Dry Cedar Creek. <br />For Montrose Arroyo, the 10-year profile downstream of the Niagara Street <br />bridge (east corporate limit, Montrose) in conjunction with the 100-year <br />profile from the Gingery study (Reference 3) was used to calculate FHFs <br />in Montrose. <br /> <br />A flood control and drainage plan report for the City of Montrose was <br />prepared by Gingery Associates, Inc., in May 1981 (Reference 3). The <br />report included Montrose Arroyo and Cedar Creek. The 100-year profile <br />for Montrose Arroyo downstream of the Niagara Street bridge (east corpo- <br />rate limit, Montrose) was used in conjunction with the Hydro-Triad report <br />(Reference 2) to calculate the FHFs. Floodway calculations were not <br />attempted for MontrOse Arroyo in Montrose due to the flow diversions. <br /> <br />A Flood Hazard Boundary Map (FHBM) was published for the City of Montrose <br />in 1974 (Reference 15). The analysis done for the FHBM is more approxi- <br />mate than that used in this study; therefore, this study supersedes the <br />FHBM. <br /> <br />7.0 LOCATION OF DATA <br /> <br />Information concerning the pertinent data used in preparation of this <br />study can be obtained by contacting the Natural and Technological Hazards <br />Division, FEMA, Denver Federal Center, Building 710, Box 25267, Denver, <br />Colorado 80225-0267. <br /> <br />8. 0 BIBLIOGRAPHY AND REFERENCES <br /> <br />1. U.S. Department of the Army, Corps of Engineers, Sacramento District, <br />Flood Hazard Information, Uncompahgre River, Montrose and 01athe, <br />Montrose COunty, Colorado, February 1980 <br /> <br />21 <br />
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