Upper Pond Dam (Aka Holbrook )
Connecticut, New London County, JOSHUA CREEK
Location
| State | Connecticut |
| County | New London |
| River | JOSHUA CREEK |
| Coordinates | 41.39645, -72.37725 |
Physical Characteristics
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 140 ft |
| NID Storage | 54 acre-ft |
| Max Storage | 54 acre-ft |
| Surface Area | 13 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Fair |
| EAP Status | No |
| Last Inspection | June 16, 2025 |
| Inspection Frequency | 7 |
Dam Information
| Year Completed | 1860 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Lyme Upper Pond, LLC. |
| Other Name | Holbrook;Upper 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.