Upper Mill Pond Dam
Connecticut, Middlesex County, Sumner Brook
Location
| State | Connecticut |
| County | Middlesex |
| River | Sumner Brook |
| Coordinates | 41.54321, -72.63834 |
Physical Characteristics
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 300 ft |
| NID Storage | 36 acre-ft |
| Max Storage | 36 acre-ft |
| Surface Area | 5 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | December 4, 2025 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1860 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | KP Management, LLC;Shumaker, Loop & Kendrick LLP |
| Other Name | Upper Mill Pond |
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.