⟁ Idaho Well Data field records · 2026 survey

Idaho Well Data › Kootenai County › Post Falls (83877)

Post Falls, ID (83877): well depth, water level & drilling cost

✓ 1,169 IDWR records · Kootenai County

340 ftmedian well depth
220 ft–560 fttypical depth range
90 ftmedian static water level
10 gpmmedian yield (1,042 tests)

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How deep are wells in and around Post Falls (83877), Idaho?

The median drilled well depth in and around Post Falls (83877) is 340 ft, based on 565 wells with recorded depths in the state IDWR database. Half fall between 220 ft and 560 ft; 90% are shallower than 800 ft.

How much does it cost to drill a well in and around Post Falls (83877)?

Applying published per-foot rates to the local median depth of 400 ft: drilling and casing alone typically runs $10,000–$26,000; a complete system including pump, pressure tank, and hookup typically runs $24,000–$40,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Post Falls (83877)?

The median static water level is 90 ft below ground surface (middle half of wells: 45 ft–135 ft), from 1,063 measurements.

Drilled depth distribution

0–50 ft 4 50–100 ft 6 100–150 ft 36 150–200 ft 48 200–300 ft 127 300–400 ft 91 400–600 ft 123 600+ ft 130
Looking at a specific property in Post Falls (83877)?

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Part of Kootenai 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.