Calderwood Dam (Calderwood Lake)

Field Descriptions

Dam Name: Calderwood
NID ID: TN00906
Longitude: -83.97945
Latitude: 35.49222
County: BLOUNT
River: LITTLE TENNESSEE RIVER
State: TN
Nearest City: CALDERWOOD
Distance: 1.00 miles
Owner Name: ALCOA POWER GENERATING INC., TAPOCO DIVISION
Owner Type: Private
Private Dam? No
Dam Type: Arch
Core: Homogeneous Dam (Position)
Concrete (Type)
Known (Certainty)
Foundation: RK
Purposes: Hydroelectric
Year Completed: 1930
Dam Length: 916 feet
Dam Height: 214 feet
Structural Height: 230 feet
Hydraulic Height: 229.4 feet
Maximum Discharge: 375000 cu ft/sec
Maximum Storage: 43500 acre-feet
Normal Storage: 41100 acre-feet
Surface Area: 570 acres
Drainage Area: 1856 square miles
Hazard Potential: High
Emergency Action Plan? Yes
Inspection Date: 2012-03-07
Inspection Frequency: 1
State Regulated Dam? No
State Regulating Agency: NONE
Spillway Type: Controlled
Spillway Width: 576 feet
Outlet Gates: O1;L24;
Federal Regulatory Agency:
Federal Inspection Agency:
Source Agency:

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