Illinois Well Data › Whiteside County
Whiteside County, Illinois: well depth, yield & drilling cost
✓ 4,653 ISGS records · verified 2026-10-12
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How deep are wells in Whiteside County, Illinois?
The median drilled well depth in Whiteside County is 120 ft, based on 4,552 wells with recorded depths in the state ISGS database. Half of all wells fall between 71 ft and 180 ft; 90% are shallower than 360 ft. Wells drilled since 2016 have a median depth of 114 ft.
How much does it cost to drill a well in Whiteside County?
Applying published per-foot rates to the local median depth of 114 ft: drilling and casing alone typically runs $2,850–$7,410; a complete system including pump, pressure tank, and hookup typically runs $6,840–$11,400. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Whiteside County?
Few static water level measurements are recorded for this county.
How much water do wells in Whiteside County produce?
The median tested yield is 30 gpm (middle half: 20 gpm–50 gpm), from 2,621 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Whiteside 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 |
|---|---|
| White, Matt | 69 |
| Albrecht, Harold Dean | 65 |
| Stoll, Austen | 43 |
| Zhieriy, Keith | 30 |
| Thierry, Keith | 26 |
| Henry, John | 16 |
| Lyons, Larry | 14 |
| Tracy A McConnel | 11 |
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Well records by ZIP code in Whiteside County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Rock Falls (61071) — 788 wells, median 60 ft
- Sterling (61081) — 759 wells, median 290 ft
- Galt (61037) — 666 wells, median 138 ft
- Morrison (61270) — 482 wells, median 140 ft
- Fulton (61252) — 396 wells, median 82 ft
- Tampico (61283) — 288 wells, median 101 ft
- Milledgeville (61051) — 253 wells, median 225 ft
- Deer Grove (61243) — 249 wells, median 134 ft
- Prophetstown (61277) — 245 wells, median 140 ft
- Erie (61250) — 234 wells, median 95 ft
- Albany (61230) — 227 wells, median 120 ft
- Lyndon (61261) — 181 wells, median 91 ft
- Fenton (61251) — 166 wells, median 124 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.