Illinois Well Data › Mclean County
Mclean County, Illinois: well depth, yield & drilling cost
✓ 3,604 ISGS records · verified 2026-10-12
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How deep are wells in Mclean County, Illinois?
The median drilled well depth in Mclean County is 145 ft, based on 3,540 wells with recorded depths in the state ISGS database. Half of all wells fall between 85 ft and 220 ft; 90% are shallower than 290 ft. Wells drilled since 2016 have a median depth of 150 ft.
How much does it cost to drill a well in Mclean County?
Applying published per-foot rates to the local median depth of 150 ft: drilling and casing alone typically runs $3,750–$9,750; a complete system including pump, pressure tank, and hookup typically runs $9,000–$15,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Mclean County?
Few static water level measurements are recorded for this county.
How much water do wells in Mclean County produce?
The median tested yield is 15 gpm (middle half: 10 gpm–25 gpm), from 2,341 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Mclean 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 |
|---|---|
| Layten, Mark J. | 127 |
| Layten, James | 63 |
| Parrott, Cody | 46 |
| Wagenbach, Mark | 30 |
| Beck, Harold F. Jr. | 14 |
| Mark Layten | 8 |
| Smith, David M. | 8 |
| Kickapoo Drilling Co. | 8 |
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Well records by ZIP code in Mclean County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Downs (61736) — 467 wells, median 172 ft
- Hudson (61748) — 322 wells, median 190 ft
- Heyworth (61745) — 273 wells, median 105 ft
- Lexington (61753) — 241 wells, median 105 ft
- Bloomington (61709) — 208 wells, median 148 ft
- Le Roy (61752) — 200 wells, median 89 ft
- Danvers (61732) — 193 wells, median 298 ft
- Chenoa (61726) — 184 wells, median 53 ft
- Gridley (61744) — 168 wells, median 152 ft
- Ellsworth (61737) — 163 wells, median 188 ft
- Bloomington (61705) — 123 wells, median 117 ft
- Bellflower (61724) — 119 wells, median 151 ft
- Saybrook (61770) — 111 wells, median 184 ft
- Mc Lean (61754) — 106 wells, median 237 ft
- Stanford (61774) — 102 wells, median 235 ft
- Colfax (61728) — 98 wells, median 108 ft
- Arrowsmith (61722) — 91 wells, median 150 ft
- Shirley (61772) — 87 wells, median 105 ft
- Towanda (61776) — 79 wells, median 150 ft
- Normal (61790) — 75 wells, median 164 ft
- Cropsey (61731) — 67 wells, median 105 ft
- Cooksville (61730) — 65 wells, median 98 ft
- Anchor (61720) — 64 wells, median 126 ft
- Bloomington (61701) — 59 wells, median 156 ft
- Merna (61758) — 59 wells, median 142 ft
- Normal (61761) — 50 wells, median 178 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.