Floodplain Information Report Volume 4 Colorado River Mainstem from Rifle to the Utah Stateline

• Basin: Colorado Mainstem
• Title: Floodplain Information Report Volume 4 Colorado River Mainstem from Rifle to the Utah Stateline
• Date: 3/1/1995
• Prepared For: The Recovery Implementaiton Program for Endangered Fish Species in the Upper Colorado River Basin
• Prepared By: CWCB
• Floodplain - Doc Type: Floodplain Report/Masterplan

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TABLE 4
COLORADO RIVER REACH CLASSIFICATIONS
REACH NUMBER
REACH IN MAP MILES
ABOVE UTAH STATE LINE
CHANNEL WIDTH
AND SLOPE
1 *
86.5 -93
MEDIUM, 16' /MI
2 *
84.5 -86.5
NARROW, 16' /MI
3 *
59 -84.5
MEDIUM, 12' /MI
4 *
57 -59
NARROW, 10'/MI
5
50 -57
CANYON, 11, /MI
6
47.5 -50
MEDIUM, 10' /MI
7
45 -47.5
CANYON, 10' /MI
8 *
44 -45
NARROW, 13' /MI
9 *
17 -44
MEDIUM, 11' /MI
10
12 -17
CANYON, 5' /MI
11
10 -12
NARROW, 7'/MI
12
0 -10
CANYON, 7' /MI
' * These reaches were already studied as part of detailed floodplain studies. Reaches 1 - 4 are included in the
ongoing Corps of Engineers /CWCB study and Reaches 8 and 9 are included in FEMA studies. The findings
of those detailed reports were incorporated in this study.
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