Ohio Well Data › Knox County

Knox County, Ohio: well depth, water level & drilling cost

Name: Knox County, Ohio water well statistics
Creator: Ohio Well Data
License: https://creativecommons.org/licenses/by/4.0/

✓ 9,581 ODNR records · verified 2026-09-28

140 ftmedian well depth

100 ft–188 fttypical depth range

60 ftmedian static water level

15 gpmmedian yield (8,722 tests)

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How deep are wells in Knox County, Ohio?

The median drilled well depth in Knox County is 140 ft, based on 9,576 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.

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 8,996 measurements.

How much water do wells in Knox County produce?

The median tested yield is 15 gpm (middle half: 12 gpm–20 gpm), from 8,722 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 482 50–100 ft 1,804 100–150 ft 2,843 150–200 ft 2,254 200–300 ft 1,862 300–400 ft 290 400–600 ft 40 600+ ft 1

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).

Driller	Wells since 2016
KEEN WELL AND PUMP	782
K & B WELL DRILLING CO	204
JAMISON WELL DRILLING INC	177
CENTRAL SOFT WATER	90
TEDROW WATER WELL DRILLING	73
J MILLER & SONS DRILLING	20
DUNCAN DRILLING CO	17
HURLEY'S WATER WELL DRILLING	13

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Well records by ZIP code in Knox County

Median depth, water level, and yield for each ZIP code with recorded wells.

Mount Vernon (43050) — 2,676 wells, median 153 ft
Fredericktown (43019) — 1,361 wells, median 120 ft
Centerburg (43011) — 1,269 wells, median 127 ft
Butler (44822) — 932 wells, median 160 ft
Gambier (43022) — 753 wells, median 160 ft
Mount Liberty (43048) — 718 wells, median 175 ft
Howard (43028) — 671 wells, median 140 ft
Danville (43014) — 661 wells, median 150 ft
Walhonding (43843) — 470 wells, median 160 ft
Bladensburg (43005) — 408 wells, median 120 ft
Martinsburg (43037) — 233 wells, median 130 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.