Lake Johnson Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | North Carolina |
| County | Wake |
| Nearest City | Raleigh |
| River/Stream | Walnut Creek |
| Coordinates | 35.76240, -78.70520 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Length | 779 ft |
| Year Completed | 1914 (112 years old) |
Storage & Hydraulics
| NID Storage | 3,090 acre-ft |
| Max Storage | 3,090 acre-ft |
| Normal Storage | 2,570 acre-ft |
| Surface Area | 147 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 2,070 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Raleigh Public Utilities Department |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/07/2024 |
| Emergency Action Plan | Yes |