Hefner 1-W
Status not reported Injection well
| API number | 12-065-02843-0100 |
|---|---|
| Operator | Royalco, Inc. |
| County | Hamilton, Illinois |
| Permitted | 1962-01-08 |
| Completed | 1962-02-12 |
| Depth | 3,165 ft |
| Surface location | 37.968377, -88.546265 · 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.