Illinois Well Data › Tazewell County
Tazewell County, Illinois: well depth, yield & drilling cost
✓ 5,243 ISGS records · verified 2026-10-12
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How deep are wells in Tazewell County, Illinois?
The median drilled well depth in Tazewell County is 118 ft, based on 5,091 wells with recorded depths in the state ISGS database. Half of all wells fall between 83 ft and 209 ft; 90% are shallower than 295 ft. Wells drilled since 2016 have a median depth of 133 ft.
How much does it cost to drill a well in Tazewell County?
Applying published per-foot rates to the local median depth of 133 ft: drilling and casing alone typically runs $3,325–$8,645; a complete system including pump, pressure tank, and hookup typically runs $7,980–$13,300. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Tazewell County?
Few static water level measurements are recorded for this county.
How much water do wells in Tazewell County produce?
The median tested yield is 18 gpm (middle half: 13 gpm–25 gpm), from 3,286 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Tazewell 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 |
|---|---|
| Wagenbach, Mark | 103 |
| Tyler J. Gee | 61 |
| Williams, Robert | 31 |
| Danner, James | 18 |
| Greg Tarter | 17 |
| Cole, Steve | 15 |
| Warner, Scott | 13 |
| Layten, Mark J. | 11 |
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Well records by ZIP code in Tazewell County
Median depth, water level, and yield for each ZIP code with recorded wells.
- South Pekin (61564) — 906 wells, median 87 ft
- Washington (61571) — 410 wells, median 316 ft
- Mackinaw (61755) — 408 wells, median 245 ft
- Tremont (61568) — 373 wells, median 157 ft
- East Peoria (61611) — 362 wells, median 195 ft
- Kingston Mines (61539) — 354 wells, median 78 ft
- Green Valley (61534) — 287 wells, median 110 ft
- Hopedale (61747) — 250 wells, median 136 ft
- Morton (61550) — 217 wells, median 263 ft
- Groveland (61535) — 214 wells, median 128 ft
- Pekin (61555) — 188 wells, median 76 ft
- Delavan (61734) — 184 wells, median 165 ft
- Armington (61721) — 139 wells, median 172 ft
- Peoria (61639) — 134 wells, median 77 ft
- Deer Creek (61733) — 132 wells, median 263 ft
- Pekin (61554) — 114 wells, median 70 ft
- Minier (61759) — 89 wells, median 158 ft
- Pekin (61558) — 50 wells, median 69 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.