Eel Weir
Maine — Cumberland County — Presumpscot River
Location
| State | Maine |
| County | Cumberland |
| River | Presumpscot River |
| Coordinates | 43.83020, -70.45500 |
Physical Characteristics
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 1,310 ft |
| NID Storage | 330,000 acre-ft |
| Max Storage | 330,000 acre-ft |
| Surface Area | 28,771 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | September 16, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1879 |
| Primary Purpose | Hydroelectric |
| Dam Type | Masonry |
| Owner Type | Private |
| Owner | Dichotomy Power Maine, LLC and Presumpcot Hydro, 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.