Gatfield No 2
Gatfield No 2 is a dam located in Gem County, Idaho, built in 1951. It carries a Significant hazard potential classification and has a fair condition assessment.
About Gatfield No 2
Gatfield No 2 is a dam in Gem, Idaho. The dam is private-owned. It impounds the Rock Creek Payette River near Horseshoe Bend.
The dam stands 20 feet tall and stretches 750 feet across, creates a reservoir covering 10 acres, has a storage capacity of 70 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1951, the structure is well into its service life at over 50 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. The most recent inspection on record was 06/25/2020.
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Location
| State | Idaho |
| County | Gem |
| Nearest City | Horseshoe Bend |
| River/Stream | Rock Creek Payette River |
| Coordinates | 43.91930, -116.29020 |
Physical Characteristics
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 750 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 66 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 06/25/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00121 |
| Federal ID | ID00121 |
| More Info | State Dam Safety Program |