Duck Creek Gypsum Stack Dam
Low HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | Fulton |
| Nearest City | LIVERPOOL |
| River/Stream | TRIB DUCK CREEK |
| Coordinates | 40.50689, -89.98702 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 4,900 ft |
Storage & Hydraulics
| NID Storage | 773 acre-ft |
| Max Storage | 773 acre-ft |
| Normal Storage | 632 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 550 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Tailings |
| Owner | DYNEGY MIDWEST GENERATION, INC. |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 09/15/2025 |
| Emergency Action Plan | No |