Last Chance No. 1
Colorado — Jefferson County — BIG DRY CREEK-OS
Location
| State | Colorado |
| County | Jefferson |
| River | BIG DRY CREEK-OS |
| Coordinates | 39.85500, -105.16307 |
Physical Characteristics
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 810 ft |
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Surface Area | 18 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Fair |
| EAP Status | Not Required |
| Last Inspection | January 17, 1986 |
| Inspection Frequency | 6 |
Dam Information
| Year Completed | 1892 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | ALKIRE INVESTMENT COMPANY (RALPH COLEMAN) |
| Other Name | Upper Twin Lake |
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.