St. Mary'S Abbey Lower Dam
New Jersey — Morris County — Whippany River-TR
Location
| State | New Jersey |
| County | Morris |
| River | Whippany River-TR |
| Coordinates | 40.78882, -74.52418 |
Physical Characteristics
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 100 ft |
| NID Storage | 15 acre-ft |
| Max Storage | 15 acre-ft |
| Surface Area | 4 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | May 22, 2023 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | — |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | S. Mary's Abbey;The Order of St. Benedict of NJ |
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.