American Falls Dam (American Falls Reservoir)

Field Descriptions

Dam Name: American Falls
NID ID: ID00274
Longitude: -112.875
Latitude: 42.77917
County: POWER
State: ID
Nearest City: AMERICAN FALLS
Distance: 1.00 miles
Owner Type: Federal
Private Dam? No
Dam Type: Gravity
Core: Concrete (Type)
Foundation: U
Year Completed: 1927
Year Modified/Mod Type: 1978
Dam Length: 5327 feet
Dam Height: 86.5 feet
Hydraulic Height: 86.5 feet
Maximum Discharge: 87000 cu ft/sec
Normal Storage: 1672590 acre-feet
Surface Area: 58076 acres
Drainage Area: 13580 square miles
Hazard Potential: High
Emergency Action Plan? Yes
Inspection Date: 2011-06-29
Inspection Frequency: 3
State Regulated Dam? No
Spillway Type: Controlled
Spillway Width: 0 feet
Source Agency:

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