⟁ Idaho Well Data field records · 2026 survey

Idaho Well Data › Custer County › Mackay (83251)

Mackay, ID (83251): well depth, water level & drilling cost

✓ 551 IDWR records · Custer County

80 ftmedian well depth
60 ft–124 fttypical depth range
17 ftmedian static water level
40 gpmmedian yield (354 tests)

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How deep are wells in and around Mackay (83251), Idaho?

The median drilled well depth in and around Mackay (83251) is 80 ft, based on 402 wells with recorded depths in the state IDWR database. Half fall between 60 ft and 124 ft; 90% are shallower than 200 ft.

How much does it cost to drill a well in and around Mackay (83251)?

Applying published per-foot rates to the local median depth of 80 ft: drilling and casing alone typically runs $2,000–$5,200; a complete system including pump, pressure tank, and hookup typically runs $4,800–$8,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Mackay (83251)?

The median static water level is 17 ft below ground surface (middle half of wells: 11 ft–36 ft), from 521 measurements.

Drilled depth distribution

0–50 ft 33 50–100 ft 226 100–150 ft 75 150–200 ft 23 200–300 ft 25 300–400 ft 9 400–600 ft 10 600+ ft 1
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Part of Custer County well records.

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), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.