Harper Lake
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Colorado |
| County | Boulder |
| Nearest City | LOUISVILLE |
| River/Stream | COAL CREEK-TR |
| Coordinates | 39.98141, -105.16100 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 2,200 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 843 acre-ft |
| Max Storage | 843 acre-ft |
| Normal Storage | 715 acre-ft |
| Surface Area | 31 acres |
| Max Discharge | 460 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF LOUISVILLE (KOWAR, KURT) |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/11/2022 |
| Emergency Action Plan | Yes |