MSD Chicago-Calumet Sys C-9
Status not reported Service well
| API number | 12-031-30358 |
|---|---|
| Operator | KeiferAssociates |
| County | Cook, Illinois |
| Completed | 1975-02-28 |
| Depth | 509 ft |
| Surface location | 41.644402, -87.553310 · 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.