Rock River Water Reclamation District Excess Flow Basin Dam
Illinois — Winnebago County — ROCK RIVER - OFFSTREAM
Location
| State | Illinois |
| County | Winnebago |
| River | ROCK RIVER - OFFSTREAM |
| Coordinates | 42.22778, -89.09861 |
Physical Characteristics
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 2,600 ft |
| NID Storage | 42 acre-ft |
| Max Storage | 42 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | July 23, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 2016 |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Public Utility |
| Owner | ROCK RIVER WATER RECLAMATION DISTRICT |
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.