Unnamed well HES-1
Status not reported Other well
| API number | 12-073-21180 |
|---|---|
| Operator | Northern Illinois Gas Co. |
| County | Henry, Illinois |
| Permitted | 1977-08-24 |
| Depth | 740 ft |
| Surface location | 41.222740, -89.907086 · 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.