Tumblesom
Low HazardFair ConditionEmergency Action Plan: Not Required
Location
| State | Colorado |
| County | Boulder |
| Nearest City | LYONS |
| River/Stream | SOUTH ST. VRAIN CREEK-TR |
| Coordinates | 40.10501, -105.49140 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 186 ft |
| Year Completed | 1918 (108 years old) |
Storage & Hydraulics
| NID Storage | 149 acre-ft |
| Max Storage | 149 acre-ft |
| Normal Storage | 85 acre-ft |
| Surface Area | 16 acres |
| Max Discharge | 96 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | DENVER AREA COUNCIL BSA (WHITNER, DAVE) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/02/2020 |
| Emergency Action Plan | Not Required |