Illinois Well Data › Dupage County
Dupage County, Illinois: well depth, yield & drilling cost
✓ 10,728 ISGS records · verified 2026-10-12
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How deep are wells in Dupage County, Illinois?
The median drilled well depth in Dupage County is 161 ft, based on 10,476 wells with recorded depths in the state ISGS database. Half of all wells fall between 140 ft and 200 ft; 90% are shallower than 255 ft. Wells drilled since 2016 have a median depth of 168 ft.
How much does it cost to drill a well in Dupage County?
Applying published per-foot rates to the local median depth of 161 ft: drilling and casing alone typically runs $4,025–$10,465; a complete system including pump, pressure tank, and hookup typically runs $9,660–$16,100. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Dupage County?
Few static water level measurements are recorded for this county.
How much water do wells in Dupage County produce?
The median tested yield is 12 gpm (middle half: 10 gpm–20 gpm), from 4,099 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Dupage 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 |
|---|---|
| Knierim, Ken/K & K Well Drlg. | 49 |
| Matt Liberg | 43 |
| Jason Jablonski | 10 |
| Fischer, James Monroe | 10 |
| Will County Well & Pump | 9 |
| Jablonski, John A. | 6 |
| Stinnett, David | 5 |
| Neely, Mark S. | 4 |
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Well records by ZIP code in Dupage County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Wayne (60184) — 882 wells, median 175 ft
- West Chicago (60185) — 615 wells, median 160 ft
- Warrenville (60555) — 609 wells, median 140 ft
- Winfield (60190) — 549 wells, median 160 ft
- West Chicago (60186) — 519 wells, median 135 ft
- Wheaton (60187) — 518 wells, median 180 ft
- Willowbrook (60527) — 497 wells, median 190 ft
- Lisle (60532) — 477 wells, median 140 ft
- Carol Stream (60188) — 453 wells, median 180 ft
- Oak Brook (60523) — 361 wells, median 155 ft
- Bartlett (60103) — 329 wells, median 175 ft
- Glendale Heights (60139) — 316 wells, median 180 ft
- Addison (60101) — 294 wells, median 150 ft
- Downers Grove (60515) — 289 wells, median 160 ft
- Westmont (60559) — 284 wells, median 242 ft
- Lombard (60148) — 266 wells, median 150 ft
- Glen Ellyn (60138) — 252 wells, median 160 ft
- Roselle (60172) — 238 wells, median 185 ft
- Medinah (60157) — 233 wells, median 161 ft
- Downers Grove (60516) — 232 wells, median 172 ft
- Bloomingdale (60117) — 213 wells, median 171 ft
- Carol Stream (60116) — 211 wells, median 160 ft
- Darien (60561) — 207 wells, median 190 ft
- Woodridge (60517) — 203 wells, median 160 ft
- Naperville (60565) — 178 wells, median 160 ft
- Clarendon Hills (60514) — 175 wells, median 220 ft
- Bloomingdale (60108) — 168 wells, median 190 ft
- Villa Park (60181) — 145 wells, median 150 ft
- Wood Dale (60191) — 128 wells, median 150 ft
- Naperville (60567) — 127 wells, median 153 ft
- Naperville (60540) — 115 wells, median 160 ft
- Itasca (60143) — 105 wells, median 160 ft
- Glen Ellyn (60137) — 92 wells, median 160 ft
- Bensenville (60106) — 90 wells, median 173 ft
- Hinsdale (60521) — 87 wells, median 210 ft
- Naperville (60563) — 84 wells, median 145 ft
- Aurora (60569) — 75 wells, median 165 ft
- Aurora (60504) — 59 wells, median 141 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.