⟁ Illinois Well Data field records · 2026 survey

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Best well drillers in Calhoun County, Illinois

Not a pay-to-play list: these are the 24 drilling companies with wells on record in Calhoun County, ranked by wells actually drilled here — 289 logged wells in the Illinois State Geological Survey water well records (records as of 2026-10-12). Every number links back to the public record.

24companies on record
1active since 2022
289wells in county record
#CompanyIn Calhoun Co. since 2016All-time in countyStatewide
1 Erwin, James R. 5 5 38
2 Durbin, Kandra M. 1 1 149
3 Pohlman, Herman J. — 134 369
4 St. Charles Drilling Co. — 26 480
5 Bush, Henry L. — 25 649
6 Calhoun Drlg. Co. — 15 29
7 Swan, Karl F. — 14 60
8 Miller, Alfred Hampton — 10 267
9 Rimbey, Brian — 8 201
10 Chitwood, Charles P. — 8 113
11 Walters, Steven — 6 1,494
12 Link, Harold F. — 5 1,395
13 Shoemaker & Sons Drilling — 5 407
14 Shoemaker, John E. — 5 170
15 Sisk, Gary Drill Co. — 5 114
16 Bekemeyer, Gustav F. — 5 28
17 Bush, Richard W. — 3 32
18 Mckinney, Ted — 2 313
19 Brotcke, Paul — 2 30
20 Baker, Earl Jr. — 1 1,933
21 Horman, Paul — 1 563
22 Roberts, Charles Wayne — 1 384
23 Rimbey, Jesse Dick — 1 125
24 Erwin, James — 1 101

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?

24 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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