Six Mile - Main
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Colorado |
| County | Boulder |
| Nearest City | BOULDER |
| River/Stream | LITTLE DRY CREEK-TR |
| Coordinates | 40.06751, -105.21807 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 52 ft |
| Dam Height | 35 ft |
| Dam Length | 3,050 ft |
| Year Completed | 1892 (134 years old) |
Storage & Hydraulics
| NID Storage | 2,186 acre-ft |
| Max Storage | 2,186 acre-ft |
| Normal Storage | 1,367 acre-ft |
| Surface Area | 124 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 11,552 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BOULDER & WHITE ROCK DITCH & RESERVOIR CO. (GRANT, |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/09/2022 |
| Emergency Action Plan | Yes |