Matawan Lake Dam
New Jersey — Monmouth County — Gravelly Brook
Location
| State | New Jersey |
| County | Monmouth |
| River | Gravelly Brook |
| Coordinates | 40.41940, -74.22650 |
Physical Characteristics
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 275 ft |
| NID Storage | 275 acre-ft |
| Max Storage | 275 acre-ft |
| Surface Area | 28 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | March 29, 2023 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1923 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Borough of Matawan |
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.