Illinois Well Data › Madison County
Madison County, Illinois: well depth, yield & drilling cost
✓ 5,961 ISGS records · verified 2026-10-12
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How deep are wells in Madison County, Illinois?
The median drilled well depth in Madison County is 47 ft, based on 5,722 wells with recorded depths in the state ISGS database. Half of all wells fall between 36 ft and 74 ft; 90% are shallower than 110 ft. Wells drilled since 2016 have a median depth of 55 ft.
How much does it cost to drill a well in Madison County?
Applying published per-foot rates to the local median depth of 55 ft: drilling and casing alone typically runs $1,375–$3,575; a complete system including pump, pressure tank, and hookup typically runs $3,300–$5,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Madison County?
Few static water level measurements are recorded for this county.
How much water do wells in Madison County produce?
The median tested yield is 500 gpm (middle half: 150 gpm–513 gpm), from 1,069 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Madison County?
Companies and licensed drillers by number of wells logged in this county, per records filed with the Illinois State Geological Survey.
| Driller | Wells since 2016 |
|---|---|
| Dragovich, Mark G. | 124 |
| Davinroy, Mark | 54 |
| Beanland, Ronald D. | 54 |
| Haake, Ralph | 30 |
| Kelly, Timothy | 23 |
| Skouby, Charles A. | 20 |
| Durbin, Kandra M. | 17 |
| Greg A. Evans | 16 |
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Well records by ZIP code in Madison County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Troy (62294) — 691 wells, median 40 ft
- Highland (62249) — 385 wells, median 40 ft
- Edwardsville (62026) — 331 wells, median 44 ft
- Saint Jacob (62281) — 327 wells, median 37 ft
- Alhambra (62001) — 317 wells, median 40 ft
- Marine (62061) — 301 wells, median 41 ft
- Alton (62002) — 297 wells, median 47 ft
- Madison (62060) — 288 wells, median 74 ft
- Collinsville (62234) — 268 wells, median 50 ft
- Granite City (62040) — 259 wells, median 79 ft
- Hamel (62046) — 254 wells, median 40 ft
- Worden (62097) — 248 wells, median 42 ft
- South Roxana (62087) — 232 wells, median 63 ft
- Wood River (62095) — 219 wells, median 82 ft
- Glen Carbon (62034) — 198 wells, median 44 ft
- Pierron (62273) — 176 wells, median 35 ft
- Maryville (62062) — 166 wells, median 41 ft
- New Douglas (62074) — 139 wells, median 35 ft
- Hartford (62048) — 131 wells, median 88 ft
- Roxana (62084) — 114 wells, median 110 ft
- Venice (62090) — 101 wells, median 63 ft
- Moro (62067) — 101 wells, median 41 ft
- Godfrey (62035) — 86 wells, median 49 ft
- Livingston (62058) — 77 wells, median 50 ft
- Dorsey (62021) — 75 wells, median 38 ft
- Bethalto (62010) — 73 wells, median 42 ft
- Cottage Hills (62018) — 52 wells, median 40 ft
Method: medians computed from ISGS records (ISGS water wells; engineering, mineral and stratigraphic test borings, mine shafts, outcrops and monitoring wells are excluded, as are wells the survey records as plugged; depths 0-5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.