City Diversion
City Diversion is a gravity dam located in Bonneville County, Idaho, built in 1982. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About City Diversion
The primary purpose of City Diversion is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by City Of Idaho Falls (local government). It impounds the Snake River near Idaho Falls, Id.
The dam stands 30 feet tall and stretches 1,970 feet across, creates a reservoir covering 50 acres, has a maximum storage capacity of 1,200 acre-feet, and collects water from a drainage area of 9,800 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. The most recent inspection on record was 09/28/2017.
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Location
| State | Idaho |
| County | Bonneville |
| Nearest City | Idaho Falls, Id |
| River/Stream | Snake River |
| Coordinates | 43.49560, -112.04330 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 1,970 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 1,200 acre-ft |
| Max Storage | 1,200 acre-ft |
| Normal Storage | 400 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 9,800 sq mi |
| Max Discharge | 75,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | City of Idaho Falls |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/28/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00432 |
| Federal ID | ID00432 |
| More Info | State Dam Safety Program |