Drainage area at dam site - square miles
7,460
Drainage area (dam to West Point Dam) - square miles
4,020
Minimum mean daily discharge, 19 October 1954, (affected
by
upstream regulation at existing power dams)
- cfs
980
Minimum mean monthly flow (Oct. 1931) - cfs
1,758
Average annual flow (Aug. 1928 - Dec. 1961) - cfs
9,992
Average annual flow since dam completed (1963 - 1981)
- cfs 10,525
Discharge at bankfull stage - cfs
65,000
Maximum mean monthly flow (March 1929) - cfs
92,600
Maximum known discharge (17 March 1929) - cfs
203,000
Total rainfall, Buford Dam to Walter F. George Dam
- inches 18.11
Initial loss - inches
0.00
Average infiltration rate - inches per hour
0.05
Total storm runoff - inches
15.22
Total volume of storm runoff - acre feet
5,244,190
Peak rates of flow
Natural flow at dam site - cfs
542,000
Inflow to full reservoir - cfs
767,800
Reservoir outflow - cfs
653,000
Base flow - cfs
13,000
Duration of flood - days
7
Total rainfall, Buford Dam to Walter F. George Dam
- inches 8.37
Initial loss - inches
0.00
Average infiltration rate - inches per hour
0.05
Total storm runoff - inches
6.69
Total volume of storm runoff - acre feet
2,305,000
Peak rates of flow
Natural flow at dam site - cfs
261,000
Inflow to full reservoir - cfs
380,300
Reservoir outflow - cfs
269,000
Base flow - cfs
13,000
Duration of flood - days
6
Pool elevations - feet msl
Maximum pool, spillway design flood
206.6
(initial pool, elevation 190).
Maximum pool, standard project flood
200.1
(initial pool elevation 190).
Full pool elevation
190.0
Minimum conservation pool
184.0
Storage volumes - acre feet
Total volume to elevation 190
934,400
Volume between elevations 184 and 190
244,400
Total volume below elevation 184
690,000
Reservoir areas - acres
Full summer level, elevation 190
45,180
Minimum power pool, elevation 184
36,375
Area within taking line - acres
Purchased in fee simple
51,540
Right to inundate acquired by easement
27,809
Within Fort Benning military reservation
9,350
Riverbed
2,900
Total
91,599
Maximum elevation of clearing - feet msl
192.0
Minimum elevation of clearing - feet msl
175.0
Area cleared acres
14,630
Length of shoreline at elevation 190 - miles
640
Length of reservoir at elevation 190 - miles
85
Normal, no flow
102.0
Normal, one turbine operating
103.2
Normal, full powerhouse flow
112.0
Bankfull (65,000 cfs)
130.0
Highest known flood
158.0
Total length - feet
12,128
Length on right bank - feet
6,124
Length on left bank - feet
6,004
Top elevation - feet msl
215.0
Maximum height - feet
68.0
Top width - feet
30.0
Total length including end piers - feet
708
Net length - feet
588
Number of piers, including end piers
15
Width of piers - feet
8
Elevation of crest - feet msl
163.0
Elevation of service bridge - feet msl
208.08
Type of gates
Tainter
Size of gates - feet
42 X 29
Elevation top of gates - feet msl
192.0
Number of gates
14
Elevation of high level apron - feet msl
99.0
Number of bays, high level apron
8
Elevation of low level apron - feet msl
94.0
Number of bays, low level apron
6
Length of high level apron - feet
89.5
Length of low level apron - feet
86.0
Maximum allowable head differential - feet
88.0
Maximum lift - feet
88.0
Chamber width - feet
82.0
Nominal chamber length - feet
450
Distance center to center of pintles - feet
505
Freeboard at lower guide and guard walls when lock
becomes inoperative - feet
1
Percent of time lock will be inoperative
0.2
Type of gates
Miter
Height of upper gate - feet
36.0
Height of lower gate - feet
108.0
Type of culvert valves Reverse
Tainter
Dimensions of culverts - feet
12 X 12
Elevations - feet msl
Top of upper guide and guard walls
197.0
Top of walls at upper gate blocks
208.0
Top of chamber walls
197.0
Top of lower guide and guard walls
147.0
Top of upper miter sill
172.0
Top of lower miter sill
89.0
Chamber floor
88.0
Elevation top of stoplogs, downstream
89.0
Elevation top of stoplogs, upstream
172.0
Total time required to fill lock chamber, starting
with
valves closed - minutes
13.0
Total time required to empty lock chamber, starting
with
valves closed - minutes
12.5
Length of foundation - feet
335
Width of foundation of powerhouse and intake - feet
168
Number of units
4
Spacing of units - feet
67
Type of turbines
Adjustable blade, propeller/type
Type of scroll case
Concrete
Elevation of distributor - feet msl
103.0
Elevation of bottom of draft tube - feet msl
57.5
Length of draft tube - feet
66.5
Type of draft tube gate
Sliding
Number of draft-tube gates per unit
2
Size of draft-tube gates - feet
24 X 22
Type of operation for draft-tube gates
Gantry Crane
Generator rating, each unit - kW
32,500
Generator rating, each unit - kVA
36,111
Generator speed - rpm
112.5
Generator electrical characteristics
3 phase, 60 cycle
13,000 volts
Location of switchyard
Right bank, downstream
Elevation of switchyard - feet msl
160.5
Transmission voltage - kV
115
Rated net head - feet
88.0
Rated net head - test
70.0
Minimum net head - feet
37.0
Plant output at rated net head
Installed capacity at rated power factor -
kW
130,000
Installed capacity at unity power factor -
kW
145,000
Overload capacity at unity power factor -
kW
160,000
Average annual energy - kWh
477,000,000
Tailwater elevations - feet NGVD
All turbines 150 MW (26,000 cfs)
112.0
Three turbines 112 MW (19,500 cfs)
109.0
Two turbines 75 MW (12,000 cfs)
106.0
One turbine 38 MW (5,500 cfs)
103.0
No Flow
102.0