⟁ Oklahoma Well Data field records · 2026 survey

Oklahoma Well Data › Delaware County

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

✓ 3,640 OWRB records · verified 2026-08-24

335 ftmedian well depth
173 ft–425 fttypical depth range
150 ftmedian static water level
9 gpmmedian yield (3,443 tests)

How deep are wells in Delaware County, Oklahoma?

The median drilled well depth in Delaware County is 335 ft, based on 3,613 wells with recorded depths in the state OWRB database. Half of all wells fall between 173 ft and 425 ft; 90% are shallower than 610 ft. Wells drilled since 2016 have a median depth of 400 ft.

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

Applying published per-foot rates to the local median depth of 400 ft: drilling and casing alone typically runs $10,000–$26,000; a complete system including pump, pressure tank, and hookup typically runs $24,000–$40,000. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Delaware County?

The median static water level is 150 ft below ground surface (middle half of wells: 80 ft–330 ft), from 2,856 measurements.

How much water do wells in Delaware County produce?

The median tested yield is 9 gpm (middle half: 4 gpm–15 gpm), from 3,443 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 23 50–100 ft 132 100–150 ft 540 150–200 ft 323 200–300 ft 477 300–400 ft 953 400–600 ft 763 600+ ft 402
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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.