Best well drillers in Calhoun County, Illinois
Not a pay-to-play list: these are the 23 drilling companies with wells on record in Calhoun County, ranked by wells actually drilled here — 287 logged wells in the Illinois State Geological Survey water well records (records as of 2026-08-20). Every number links back to the public record.
| # | Company | In Calhoun Co. since 2016 | All-time in county | Statewide |
|---|---|---|---|---|
| 1 | Erwin, James R. | 5 | 5 | 36 |
| 2 | Durbin, Kandra M. | 1 | 1 | 143 |
| 3 | Pohlman, Herman J. | — | 134 | 367 |
| 4 | St. Charles Drilling Co. | — | 26 | 463 |
| 5 | Bush, Henry L. | — | 25 | 638 |
| 6 | Calhoun Drlg. Co. | — | 15 | 28 |
| 7 | Swan, Karl F. | — | 14 | 52 |
| 8 | Miller, Alfred Hampton | — | 10 | 246 |
| 9 | Rimbey, Brian | — | 8 | 189 |
| 10 | Chitwood, Charles P. | — | 8 | 110 |
| 11 | Walters, Steven | — | 6 | 1,374 |
| 12 | Link, Harold F. | — | 5 | 1,386 |
| 13 | Shoemaker & Sons Drilling | — | 5 | 330 |
| 14 | Shoemaker, John E. | — | 5 | 166 |
| 15 | Sisk, Gary Drill Co. | — | 5 | 63 |
| 16 | Bekemeyer, Gustav F. | — | 5 | 28 |
| 17 | Bush, Richard W. | — | 3 | 32 |
| 18 | Mckinney, Ted | — | 2 | 310 |
| 19 | Baker, Earl Jr. | — | 1 | 1,667 |
| 20 | Horman, Paul | — | 1 | 439 |
| 21 | Roberts, Charles Wayne | — | 1 | 258 |
| 22 | Rimbey, Jesse Dick | — | 1 | 115 |
| 23 | Erwin, James | — | 1 | 85 |
Ranked by wells drilled in Calhoun County since 2016 (then all-time), from the full ISGS record. A ★ marks a featured sponsor — sponsors must appear in the county record to be listed, and the ranking below them is never reordered.
Who drills the most wells in Calhoun County?
Erwin, James R. has drilled the most Calhoun County wells in the recent record — 5 since 2016, 5 in the county all-time.
How many well drilling companies work in Calhoun County?
23 companies in the ISGS record have drilled wells in Calhoun County; 1 of them have drilled somewhere in Illinois since 2022. Smaller operators below the record threshold may also serve the area.
How deep is a typical well in Calhoun County?
The median drilled depth in Calhoun County is 107 ft, based on 336 recorded wells. Depths, water levels, and yields are on the Calhoun County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Calhoun County wells page.
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