Em Johnson Alum Sludge Lagoon Dam
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | North Carolina |
| County | Wake |
| Nearest City | Raleigh |
| River/Stream | Honeycutt Creek |
| Coordinates | 35.91580, -78.60350 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Length | 1,600 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 108 acre-ft |
| Max Storage | 108 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 190 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | City of Raleigh Public Utilities Department |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 12/05/2024 |
| Emergency Action Plan | Yes |