WSP04766

• File Number: 8220.122.E
• Description: Paonia Project
• State: CO
• Basin: Gunnison
• Water Division: 4
• Date: 5/1/1957
• Author: USDDOI Bureau of Rec
• Title: Paonia Project Colorado Definite Plan Report
• Water Supply Pro - Doc Type: Definite Plan Report

SUMMARY SHEETS (Continued)

PROJECT WORKS

Paonia Dam
Located on Muddy Creek, 16 miles east of Paonia, Colo.
Type. . . . . . . . . . rolled earth- and rock-fill
Height above streambed. . . . .. 180 ft.
Height above bedrock. . ... . .. 205 ft.
Volume. . .' . . . . 1,200,000 cu. yds.
Spillway capacity 12,500 c.f.s.
Outlet capacity (at res. elev. 6,370) 700 c.f.s.

Paonia Reservoir
Elevation at,maximum controlled storage (21,000 ac.ft.). . . 6,447.5
Active storage capacity (initial). . . . . 18,300 ac.-ft.
Active storage capacity (after 100 years). 11,000 ac.-ft.
Storage below bottom of outlet . . 2,700 ac.-ft.
Capacity allocated to sediment. . . . . . 10,000 ac.-ft.

Fire Mountain Canal
Canal length without
Length of extension.
Canal capacity:

. extension

. . . . .

. .

30 miles
3.5 miles

At head
At Leroux Creek
At end of extension

Before
enlargement
80
40

After
enlargement
200
100
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HYDROLOGY AT PAONIA DAM SITE

Drainage area . . . . . . . . . . . .
Annual runoff, average (1949 to 1954)
Annual runoff, maximum (195e) . . . . . .
Annual runoff, minimum (1951) . . . . . .
Maximum discharge of record (May 4, 1952) .
MLniroum discharge ,of record (Sept. 1-3, 1954) .
Inflow design flood, volume 15 days
Inflow design flood, peak discharge . .

. .

246 sq. mi.
98,100 ac. -ft.
176,400 ac.-ft.
65,570 ac.-ft.
3,400 c.f.s.
8.4 c.f.s.
119,700 ac.-ft.
13,300 c.f.s.

3