⟁ Idaho Well Data field records · 2026 survey

Idaho Well Data › Bannock County

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

✓ 4,216 IDWR records · verified 2026-08-21

175 ftmedian well depth
120 ft–260 fttypical depth range
60 ftmedian static water level
25 gpmmedian yield (2,581 tests)

How deep are wells in Bannock County, Idaho?

The median drilled well depth in Bannock County is 175 ft, based on 3,018 wells with recorded depths in the state IDWR database. Half of all wells fall between 120 ft and 260 ft; 90% are shallower than 380 ft. Wells drilled since 2016 have a median depth of 200 ft.

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

Applying published per-foot rates to the local median depth of 200 ft: drilling and casing alone typically runs $5,000–$13,000; a complete system including pump, pressure tank, and hookup typically runs $12,000–$20,000. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Bannock County?

The median static water level is 60 ft below ground surface (middle half of wells: 38 ft–100 ft), from 3,765 measurements.

How much water do wells in Bannock County produce?

The median tested yield is 25 gpm (middle half: 15 gpm–40 gpm), from 2,581 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 53 50–100 ft 435 100–150 ft 718 150–200 ft 541 200–300 ft 687 300–400 ft 327 400–600 ft 203 600+ ft 54
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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.