Joliet West Side Wastewater Treatment Plant Dam
Illinois — Will County — DES PLAINES RIVER - OFFSTREAM
Location
| State | Illinois |
| County | Will |
| River | DES PLAINES RIVER - OFFSTREAM |
| Coordinates | 41.45744, -88.18431 |
Physical Characteristics
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 1,000 ft |
| NID Storage | 77 acre-ft |
| Max Storage | 77 acre-ft |
| Surface Area | 6 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Available |
| EAP Status | No |
| Last Inspection | June 3, 2025 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | — |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | CITY OF JOLIET |
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.