Black Snag Reservoir is an earth dam located in Crook County, Oregon, built in 1998. It carries a Low hazard potential classification.
Dam profile
NID height · 38 ft38 ft tall, taller than 84% 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 Black Snag Reservoir
The primary purpose of Black Snag Reservoir is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Gi Ranch Corporation (private). It impounds the Black Snag Creek near No Downstream Settlement.
The dam stands 38 feet tall, creates a reservoir covering 36 acres, has a storage capacity of 273 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1998, the structure is 28 years 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 10/10/2019.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Oregon |
| County | Crook |
| Nearest City | No Downstream Settlement |
| River/Stream | Black Snag Creek |
| Coordinates | 43.90028, -119.78322 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Year Completed | 1998 (28 years old) |
Storage & Hydraulics
| NID Storage | 273 acre-ft |
| Normal Storage | 273 acre-ft |
| Surface Area | 36 acres |
| Drainage Area | 7 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Gi Ranch Corporation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/10/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR03777 |
| Federal ID | OR03777 |
| More Info | State Dam Safety Program |