Koster Pond Dam
Illinois, Greene County, SAND CREEK
Location
| State | Illinois |
| County | Greene |
| River | SAND CREEK |
| Coordinates | 39.27833, -90.36302 |
Physical Characteristics
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 134 ft |
| NID Storage | 25 acre-ft |
| Max Storage | 25 acre-ft |
| Surface Area | 2 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Available |
| EAP Status | No |
| Last Inspection | August 27, 2025 |
| Inspection Frequency | - |
Dam Information
| Year Completed | 1963 |
| Primary Purpose | Fish and Wildlife Pond |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | JOHN C. KOSTER;JOHN C. KOSTER |
| Other Name | Koster Pond;Koster Pond |
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.