⟁ Idaho Well Data field records · 2026 survey

Idaho Well Data › Oneida County

Oneida County, Idaho: well depth, water level & drilling cost

✓ 1,554 IDWR records · verified 2026-08-21

220 ftmedian well depth
145 ft–318 fttypical depth range
70 ftmedian static water level
30 gpmmedian yield (992 tests)

How deep are wells in Oneida County, Idaho?

The median drilled well depth in Oneida County is 220 ft, based on 1,111 wells with recorded depths in the state IDWR database. Half of all wells fall between 145 ft and 318 ft; 90% are shallower than 434 ft. Wells drilled since 2016 have a median depth of 225 ft.

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

Applying published per-foot rates to the local median depth of 225 ft: drilling and casing alone typically runs $5,625–$14,625; a complete system including pump, pressure tank, and hookup typically runs $13,500–$22,500. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Oneida County?

The median static water level is 70 ft below ground surface (middle half of wells: 35 ft–148 ft), from 1,379 measurements.

How much water do wells in Oneida County produce?

The median tested yield is 30 gpm (middle half: 20 gpm–50 gpm), from 992 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 12 50–100 ft 67 100–150 ft 207 150–200 ft 157 200–300 ft 330 300–400 ft 186 400–600 ft 108 600+ ft 44
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Method: medians computed from IDWR records (IDWR well records, excluding the 8,758 monitoring, injection, test, dewatering, cathodic-protection and heat-exchange wells that are not water supplies; depths 0-5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.