Donald R. Wheeler (Surprise Lake) Dam
New Jersey — Morris County
Location
| State | New Jersey |
| County | Morris |
| Coordinates | 40.95315, -74.35688 |
Physical Characteristics
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 750 ft |
| NID Storage | 190 acre-ft |
| Max Storage | 190 acre-ft |
| Surface Area | 25 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1909 |
| Primary Purpose | Recreation |
| Dam Type | — |
| Owner Type | — |
| Owner | Pequannock Properties, LLC |
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.