Allen Lake
Colorado — Boulder County — LEFT HAND CREEK-OS
Location
| State | Colorado |
| County | Boulder |
| River | LEFT HAND CREEK-OS |
| Coordinates | 40.14047, -105.28410 |
Physical Characteristics
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 1,525 ft |
| NID Storage | 865 acre-ft |
| Max Storage | 865 acre-ft |
| Surface Area | 36 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | June 23, 2022 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1928 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | LEFT HAND DITCH COMPANY (TERRY PLUMMER) |
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.