Crown 3 Mine North Refuse Extension Dam
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Illinois |
| County | Montgomery |
| Nearest City | FARMERSVILLE |
| River/Stream | PERCHED RESERVOIR |
| Coordinates | 39.43738, -89.69667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 3,800 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 730 acre-ft |
| Max Storage | 730 acre-ft |
| Normal Storage | 600 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 35 sq mi |
| Max Discharge | 8 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | J Oros Properties, LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 08/08/2025 |
| Emergency Action Plan | Yes |