Ohio Well Data › Knox County
Knox County, Ohio: well depth, water level & drilling cost
✓ 9,554 ODNR records · verified 2026-08-13
How deep are wells in Knox County, Ohio?
The median drilled well depth in Knox County is 140 ft, based on 9,549 wells with recorded depths in the state ODNR database. Half of all wells fall between 100 ft and 188 ft; 90% are shallower than 240 ft. Wells drilled since 2016 have a median depth of 160 ft.
How much does it cost to drill a well in Knox County?
Applying published per-foot rates to the local median depth of 160 ft: drilling and casing alone typically runs $4,000–$10,400; a complete system including pump, pressure tank, and hookup typically runs $9,600–$16,000. Actual quotes depend on site access, geology, and casing requirements.
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What is the static water level in Knox County?
The median static water level is 60 ft below ground surface (middle half of wells: 32 ft–89 ft), from 8,969 measurements.
How much water do wells in Knox County produce?
The median tested yield is 15 gpm (middle half: 12 gpm–20 gpm), from 8,695 pump tests. A typical household needs 5–10 gpm.
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Drilled depth distribution
Who drills wells in Knox County?
Companies by number of wells completed in this county since 2016, per filed well logs (ODNR Division of Geological Survey).
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Median depth, water level, and yield for each ZIP code with recorded wells.
- Mt Vernon (43050) — 1,562 wells, median 164 ft
- Centerburg (43011) — 832 wells, median 140 ft
- Fredericktown (43019) — 732 wells, median 140 ft
- Danville (43014) — 417 wells, median 160 ft
- Howard (43028) — 353 wells, median 160 ft
- Gambier (43022) — 273 wells, median 160 ft
- Walhonding (43843) — 271 wells, median 165 ft
Method: medians computed from ODNR records (water-supply wells only (domestic, public/municipal, commercial, industrial, agricultural/irrigation, fire protection) — monitoring, test/boring, heat-pump, injection, abandoned/sealed and unclassified wells excluded; depths 0–5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.