⟁ Oklahoma Well Data field records · 2026 survey

Oklahoma Well Data › Adair County

Adair County, Oklahoma: well depth, water level & drilling cost

✓ 1,378 OWRB records · verified 2026-10-02

225 ftmedian well depth
140 ft–411 fttypical depth range
89 ftmedian static water level
5 gpmmedian yield (1,194 tests)

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How deep are wells in Adair County, Oklahoma?

The median drilled well depth in Adair County is 225 ft, based on 1,360 wells with recorded depths in the state OWRB database. Half of all wells fall between 140 ft and 411 ft; 90% are shallower than 550 ft. Wells drilled since 2016 have a median depth of 300 ft.

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

Applying published per-foot rates to the local median depth of 300 ft: drilling and casing alone typically runs $7,500–$19,500; a complete system including pump, pressure tank, and hookup typically runs $18,000–$30,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Adair County?

The median static water level is 89 ft below ground surface (middle half of wells: 52 ft–160 ft), from 733 measurements.

How much water do wells in Adair County produce?

The median tested yield is 5 gpm (middle half: 2 gpm–10 gpm), from 1,194 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 18 50–100 ft 81 100–150 ft 260 150–200 ft 177 200–300 ft 227 300–400 ft 194 400–600 ft 295 600+ ft 108
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Well records by ZIP code in Adair County

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

Method: medians computed from OWRB records (OWRB reported well logs, water wells only (water-quality, monitoring, site-assessment and heat-exchange holes excluded); depths 0-5,000 ft. Water-level figures are OWRB's reported depth to first water). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.