Holly
High HazardNot Rated ConditionEmergency Action Plan: Yes
Location
| State | Colorado |
| County | Arapahoe |
| Nearest City | LITTLETON |
| River/Stream | LITTLE DRY CREEK |
| Coordinates | 39.59833, -104.92140 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 40 ft |
| Dam Length | 1,170 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 455 acre-ft |
| Max Storage | 455 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 14,010 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | URBAN DRAINAGE & FLOOD CONTROL DISTRICT (THOMAS, S |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 09/29/2021 |
| Emergency Action Plan | Yes |