Arrowhead
Arrowhead is an earth dam located in Crook County, Wyoming, built in 1956. It carries a Low hazard potential classification and has a poor condition assessment.
About Arrowhead
The primary purpose of Arrowhead is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Shawn S. & Kathy J. Fligge (private). It impounds the W Fork Arch Creek near Hulett.
The dam stands 23 feet tall and stretches 625 feet across, creates a reservoir covering 42 acres, and has a maximum storage capacity of 479 acre-feet. Completed in 1956, the structure is well into its service life at over 50 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/28/2023.
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Location
| State | Wyoming |
| County | Crook |
| Nearest City | Hulett |
| River/Stream | W Fork Arch Creek |
| Coordinates | 44.22556, -104.57833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 625 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 479 acre-ft |
| Max Storage | 479 acre-ft |
| Normal Storage | 234 acre-ft |
| Surface Area | 42 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | SHAWN S. & KATHY J. FLIGGE |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/28/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01005 |
| Federal ID | WY01005 |
| More Info | State Dam Safety Program |