Illinois Well Data › Washington County
Washington County, Illinois: well depth, yield & drilling cost
✓ 908 ISGS records · verified 2026-10-12
Pull every recorded well near a Washington County address — $49
How deep are wells in Washington County, Illinois?
The median drilled well depth in Washington County is 72 ft, based on 787 wells with recorded depths in the state ISGS database. Half of all wells fall between 33 ft and 145 ft; 90% are shallower than 209 ft. Wells drilled since 2016 have a median depth of 150 ft.
How much does it cost to drill a well in Washington County?
Applying published per-foot rates to the local median depth of 72 ft: drilling and casing alone typically runs $1,800–$4,680; a complete system including pump, pressure tank, and hookup typically runs $4,320–$7,200. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Washington County?
Few static water level measurements are recorded for this county.
How much water do wells in Washington County produce?
The median tested yield is 8 gpm (middle half: 5 gpm–13 gpm), from 295 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Washington 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 |
|---|---|
| Durbin, Dominique | 5 |
| Haake, Ralph | 4 |
| Greg A. Evans | 3 |
| Dowdy, Tony Jr. | 3 |
| Baker, James Curtis | 2 |
| Beckett, Donald | 1 |
| Gebke, Randy | 1 |
See every driller with wells on record in Washington County, ranked →
Get quotes from local drillers
See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.
Free lookup Property report — $49Free. Goes to licensed drillers working Washington County.
Well records by ZIP code in Washington County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Okawville (62271) — 255 wells, median 124 ft
- Oakdale (62268) — 167 wells, median 55 ft
- Addieville (62214) — 162 wells, median 82 ft
- Nashville (62263) — 132 wells, median 71 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.