Collins Station Cooling Lake Dam
Significant HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Illinois |
| County | Grundy |
| Nearest City | MORRIS |
| River/Stream | ILLINOIS RIVER-OFFSTREAM |
| Coordinates | 41.38491, -88.32142 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 32,736 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 29,600 acre-ft |
| Max Storage | 29,600 acre-ft |
| Normal Storage | 23,600 acre-ft |
| Surface Area | 1,990 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 3,637 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | NRG |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 03/21/2025 |
| Emergency Action Plan | Yes |