Anchor
SOUTH FORK OWL CREEK·
Hot Springs, Wyoming·
Built 1959·
Concrete·
208 ft tall
Physical Details
| Dam Height | 208 ft (taller than 99.6% in WY) |
| Dam Length | 660 ft |
| Dam Type | Concrete |
| Max Storage | 22.4K acre-ft |
| Normal Storage | 17.4K acre-ft |
| Surface Area | 437 acres |
| Drainage Area | 131 sq mi |
| Max Discharge | 13,500 cfs |
| Year Completed | 1959 (67 years old) |
| NID ID | WY01298 |
Safety Information
High Hazard
Loss of human life is likely if the dam fails
Emergency Action Plan: Yes
Last Inspection: August 27, 2020
State Regulated: Yes
Regulatory Agency: SEO
Ownership
RECLAMATION
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Anchor?
Anchor is classified as High Hazard. Loss of human life is likely if the dam fails.
Who owns Anchor?
Anchor is owned by RECLAMATION (Federal Government).
When was Anchor last inspected?
Anchor was last inspected on August 27, 2020.
When was Anchor built?
Anchor was completed in 1959, making it 67 years old.
Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.