Brock
Wyoming — Johnson County — CUMMINGS CREEK
Location
| State | Wyoming |
| County | Johnson |
| River | CUMMINGS CREEK |
| Coordinates | 44.30570, -106.71440 |
Physical Characteristics
| NID Height | 34 ft |
| Dam Height | 25 ft |
| Dam Length | 255 ft |
| NID Storage | 86 acre-ft |
| Max Storage | 86 acre-ft |
| Surface Area | 6 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Poor |
| EAP Status | Not Required |
| Last Inspection | May 20, 2025 |
| Inspection Frequency | 10 |
Dam Information
| Year Completed | 1964 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | GERALD JOINT REVOCABLE TRUST, LARRY J & CHERYL A GERALD TRUSTEES |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.