Lower Columbia Quarry Dam
Illinois — Macoupin County
Location
| State | Illinois |
| County | Macoupin |
| Coordinates | 39.10752, -89.79151 |
Physical Characteristics
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 600 ft |
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Available |
| EAP Status | No |
| Last Inspection | May 23, 2024 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | — |
| Primary Purpose | Water Supply |
| Dam Type | — |
| Owner Type | Private |
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.