⟁ Oklahoma Well Data field records · 2026 survey

Oklahoma Well Data › Seminole County

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

✓ 1,619 OWRB records · verified 2026-08-24

200 ftmedian well depth
140 ft–260 fttypical depth range
67 ftmedian static water level
15 gpmmedian yield (1,505 tests)

How deep are wells in Seminole County, Oklahoma?

The median drilled well depth in Seminole County is 200 ft, based on 1,592 wells with recorded depths in the state OWRB database. Half of all wells fall between 140 ft and 260 ft; 90% are shallower than 330 ft. Wells drilled since 2016 have a median depth of 220 ft.

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

Applying published per-foot rates to the local median depth of 220 ft: drilling and casing alone typically runs $5,500–$14,300; a complete system including pump, pressure tank, and hookup typically runs $13,200–$22,000. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Seminole County?

The median static water level is 67 ft below ground surface (middle half of wells: 35 ft–130 ft), from 712 measurements.

How much water do wells in Seminole County produce?

The median tested yield is 15 gpm (middle half: 10 gpm–20 gpm), from 1,505 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 22 50–100 ft 92 100–150 ft 352 150–200 ft 317 200–300 ft 544 300–400 ft 196 400–600 ft 36 600+ ft 33
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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.