Crane Gulch East Dam
Crane Gulch East Dam is a dam located in Ada County, Idaho, built in 1998. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Crane Gulch East Dam
The primary purpose of Crane Gulch East Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is local government-owned. It impounds the Unnamed Stream Crane Creek near Boise.
The dam stands 60 feet tall and stretches 316 feet across, creates a reservoir covering 2 acres, has a storage capacity of 28 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1998, the structure is 28 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 11/20/2018.
At 60 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Idaho |
| County | Ada |
| Nearest City | Boise |
| River/Stream | Unnamed Stream Crane Creek |
| Coordinates | 43.65750, -116.16800 |
Physical Characteristics
| NID Height | 60 ft |
| Dam Height | 60 ft |
| Dam Length | 316 ft |
| Year Completed | 1998 (28 years old) |
Storage & Hydraulics
| NID Storage | 28 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,900 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/20/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00479 |
| Federal ID | ID00479 |
| More Info | State Dam Safety Program |