Idaho Falls Upper Powerhouse Dam No 2
Idaho Falls Upper Powerhouse Dam No 2 is a dam located in Bonneville County, Idaho, built in 1982. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Idaho Falls Upper Powerhouse Dam No 2
The primary purpose of Idaho Falls Upper Powerhouse Dam No 2 is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is public utility-owned. It impounds the Snake River Columbia River near Idaho Falls.
The dam stands 37 feet tall and stretches 460 feet across, creates a reservoir covering 58 acres, has a storage capacity of 424 acre-feet, and collects water from a drainage area of 9,050 square miles. Completed in 1982, the structure is 44 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 10/31/2018.
At 37 feet, this dam is taller than 84% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Idaho |
| County | Bonneville |
| Nearest City | Idaho Falls |
| River/Stream | Snake River Columbia River |
| Coordinates | 43.55540, -112.04550 |
Physical Characteristics
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 460 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 424 acre-ft |
| Normal Storage | 424 acre-ft |
| Surface Area | 58 acres |
| Drainage Area | 9,050 sq mi |
| Max Discharge | 13,500 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/31/2018 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | ID00640 |
| Federal ID | ID00640 |
| More Info | State Dam Safety Program |