⟁ Idaho Well Data field records · 2026 survey

Idaho Well Data › Boise County

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

✓ 3,167 IDWR records · verified 2026-08-21

233 ftmedian well depth
154 ft–350 fttypical depth range
55 ftmedian static water level
15 gpmmedian yield (2,595 tests)

How deep are wells in Boise County, Idaho?

The median drilled well depth in Boise County is 233 ft, based on 2,071 wells with recorded depths in the state IDWR database. Half of all wells fall between 154 ft and 350 ft; 90% are shallower than 464 ft. Wells drilled since 2016 have a median depth of 280 ft.

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

Applying published per-foot rates to the local median depth of 280 ft: drilling and casing alone typically runs $7,000–$18,200; a complete system including pump, pressure tank, and hookup typically runs $16,800–$28,000. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Boise County?

The median static water level is 55 ft below ground surface (middle half of wells: 25 ft–100 ft), from 2,805 measurements.

How much water do wells in Boise County produce?

The median tested yield is 15 gpm (middle half: 6 gpm–30 gpm), from 2,595 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 68 50–100 ft 167 100–150 ft 259 150–200 ft 280 200–300 ft 551 300–400 ft 361 400–600 ft 328 600+ ft 57
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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.