⟁ Oklahoma Well Data field records · 2026 survey

Oklahoma Well Data › Harper County

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

✓ 977 OWRB records · verified 2026-08-24

100 ftmedian well depth
60 ft–140 fttypical depth range
35 ftmedian static water level
20 gpmmedian yield (725 tests)

How deep are wells in Harper County, Oklahoma?

The median drilled well depth in Harper County is 100 ft, based on 949 wells with recorded depths in the state OWRB database. Half of all wells fall between 60 ft and 140 ft; 90% are shallower than 180 ft. Wells drilled since 2016 have a median depth of 100 ft.

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

Applying published per-foot rates to the local median depth of 100 ft: drilling and casing alone typically runs $2,500–$6,500; a complete system including pump, pressure tank, and hookup typically runs $6,000–$10,000. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Harper County?

The median static water level is 35 ft below ground surface (middle half of wells: 18 ft–60 ft), from 766 measurements.

How much water do wells in Harper County produce?

The median tested yield is 20 gpm (middle half: 6 gpm–70 gpm), from 725 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 117 50–100 ft 356 100–150 ft 291 150–200 ft 116 200–300 ft 57 300–400 ft 10 400–600 ft 1 600+ ft 1
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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.