King Reservoir (west Dam) is a dam located in Owyhee County, Idaho, built in 1969. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 30 ft30 ft tall and 560 ft long, taller than 68% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About King Reservoir (west Dam)
The primary purpose of King Reservoir (west Dam) 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 Unnamed Streams Little Mc Bride Creek near Brown Dam.
The dam stands 30 feet tall and stretches 560 feet across, creates a reservoir covering 28 acres, has a storage capacity of 300 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1969, 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 06/13/2018.
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Location
| State | Idaho |
| County | Owyhee |
| Nearest City | Brown Dam |
| River/Stream | Unnamed Streams Little Mc Bride Creek |
| Coordinates | 43.28540, -116.95420 |
Physical Characteristics
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 560 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Normal Storage | 300 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 31 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 06/13/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00199 |
| Federal ID | ID00199 |
| More Info | State Dam Safety Program |