Ohio Well Data field records · 2026 survey

Ohio Well Data › Defiance County

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

✓ 2,777 ODNR records · verified 2026-06-29

88 ftmedian well depth
70 ft–114 fttypical depth range
30 ftmedian static water level
18 gpmmedian yield (2,707 tests)

How deep are wells in Defiance County, Ohio?

The median drilled well depth in Defiance County is 88 ft, based on 2,774 wells with recorded depths in the state ODNR database. Half of all wells fall between 70 ft and 114 ft; 90% are shallower than 145 ft. Wells drilled since 2016 have a median depth of 95 ft.

How much does it cost to drill a well in Defiance County?

Applying published per-foot rates to the local median depth of 95 ft: drilling and casing alone typically runs $2,375–$6,175; a complete system including pump, pressure tank, and hookup typically runs $5,700–$9,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Defiance County?

The median static water level is 30 ft below ground surface (middle half of wells: 19 ft–40 ft), from 2,689 measurements.

How much water do wells in Defiance County produce?

The median tested yield is 18 gpm (middle half: 7 gpm–50 gpm), from 2,707 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 103 50–100 ft 1,627 100–150 ft 783 150–200 ft 189 200–300 ft 65 300–400 ft 4 400–600 ft 3 600+ ft 0

Who drills wells in Defiance County?

Companies by number of wells completed in this county since 2016, per filed well logs (ODNR Division of Geological Survey).

DrillerWells since 2016
LAYMAN DRILLING LLC169
WATSON WELL DRILLING INC107
KAUFMAN WELL DRILLING INC38
WATSON WELL DRILLING31
MAAS BROTHERS DRILLING17
WATSON DRILLING6
CRABTREE DRILLING5
BOES WATER WELL DRILLING4

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Looking at a specific property in Defiance County?

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Well records by ZIP code in Defiance County

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

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.