Hubbard Dam
Hubbard Dam is an earth dam located in Ada County, Idaho, built in 1902. It carries a Low hazard potential classification.
About Hubbard Dam
The primary purpose of Hubbard Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bureau Of Reclamation (federal). It impounds the Mason Creek, Boise River Snake River near Nampa.
The dam stands 23 feet tall and stretches 6,000 feet across, creates a reservoir covering 450 acres, has a maximum storage capacity of 4,060 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1902, the structure is over a century 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. The most recent inspection on record was 10/29/2019.
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Location
| State | Idaho |
| County | Ada |
| Nearest City | Nampa |
| River/Stream | Mason Creek, Boise River Snake River |
| Coordinates | 43.51230, -116.35950 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 6,000 ft |
| Year Completed | 1902 (124 years old) |
Storage & Hydraulics
| NID Storage | 4,060 acre-ft |
| Max Storage | 4,060 acre-ft |
| Normal Storage | 4,060 acre-ft |
| Surface Area | 450 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BUREAU OF RECLAMATION |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 10/29/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00376 |
| Federal ID | ID00376 |
| More Info | State Dam Safety Program |