Antelope Creek
Antelope Creek is a dam located in Bonneville County, Idaho, built in 1991. It carries a Significant hazard potential classification and has a fair condition assessment.
About Antelope Creek
The primary purpose of Antelope Creek is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is private-owned. It impounds the Antelope Creek Snake River near Antelope Creek.
The dam stands 22 feet tall and stretches 350 feet across, creates a reservoir covering 10 acres, and has a storage capacity of 67 acre-feet. Completed in 1991, the structure is 35 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 06/07/2019.
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Location
| State | Idaho |
| County | Bonneville |
| Nearest City | Antelope Creek |
| River/Stream | Antelope Creek Snake River |
| Coordinates | 43.52580, -111.53020 |
Physical Characteristics
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 350 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 67 acre-ft |
| Normal Storage | 67 acre-ft |
| Surface Area | 10 acres |
| Max Discharge | 280 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 06/07/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | ID00472 |
| Federal ID | ID00472 |
| More Info | State Dam Safety Program |