Spellman B1-27-5475
Spellman B1-27-5475 is an earth dam located in Campbell County, Wyoming, built in 2008. It carries a Low hazard potential classification and has a fair condition assessment.
About Spellman B1-27-5475
The primary purpose of Spellman B1-27-5475 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bobby Joe Spellman (private). It impounds the Tank Draw near County Road 75.
The dam stands 40 feet tall and stretches 400 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 49 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2008, the structure is relatively new.
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. 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 05/12/2021.
At 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Wyoming |
| County | Campbell |
| Nearest City | County Road 75 |
| River/Stream | Tank Draw |
| Coordinates | 44.63280, -105.87450 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 400 ft |
| Year Completed | 2008 (18 years old) |
Storage & Hydraulics
| NID Storage | 49 acre-ft |
| Max Storage | 49 acre-ft |
| Normal Storage | 33 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 975 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BOBBY JOE SPELLMAN |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/12/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02472 |
| Federal ID | WY02472 |
| More Info | State Dam Safety Program |