Em Johnson Alum Sludge Lagoon Dam
North Carolina — Wake County
Location
| State | North Carolina |
| County | Wake |
| Coordinates | 35.91580, -78.60350 |
Physical Characteristics
| NID Height | 41 ft |
| Dam Height | — |
| Dam Length | 1,600 ft |
| NID Storage | 108 acre-ft |
| Max Storage | 108 acre-ft |
| Surface Area | 6 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1994 |
| Primary Purpose | Other |
| Dam Type | — |
| Owner Type | — |
| Owner | City of Raleigh Public Utilities Department |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.