Grupes Reservoir Dam
Connecticut — Fairfield County — SILVERMINE RIVER
Location
| State | Connecticut |
| County | Fairfield |
| River | SILVERMINE RIVER |
| Coordinates | 41.18968, -73.48875 |
Physical Characteristics
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 235 ft |
| NID Storage | 311 acre-ft |
| Max Storage | 311 acre-ft |
| Surface Area | 23 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | May 10, 2021 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1871 |
| Primary Purpose | Water Supply |
| Dam Type | Concrete |
| Owner Type | Local Government |
| Owner | City of Norwalk |
| Other Name | Grupes Reservoir |
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.