Unnamed well HER-4
Plugged Other well
| API number | 12-095-21043 |
|---|---|
| Operator | Northern Illinois Gas Co. |
| County | Knox, Illinois |
| Permitted | 1977-07-28 |
| Completed | 1977-07-28 |
| Depth | 940 ft |
| Surface location | 40.773589, -90.327218 · wells within 1 mile |
| State record | Illinois State Geological Survey ↗ |
| Data as of | 2026-10-17 |
From Illinois State Geological Survey public records. Verify with the state before relying on this information.