⟁ Idaho Well Data field records · 2026 survey

Idaho Well Data › Franklin County

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

✓ 1,488 IDWR records · verified 2026-10-12

208 ftmedian well depth
125 ft–324 fttypical depth range
50 ftmedian static water level
25 gpmmedian yield (1,051 tests)

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How deep are wells in Franklin County, Idaho?

The median drilled well depth in Franklin County is 208 ft, based on 1,069 wells with recorded depths in the state IDWR database. Half of all wells fall between 125 ft and 324 ft; 90% are shallower than 440 ft. Wells drilled since 2016 have a median depth of 259 ft.

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

Applying published per-foot rates to the local median depth of 259 ft: drilling and casing alone typically runs $6,475–$16,835; a complete system including pump, pressure tank, and hookup typically runs $15,540–$25,900. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Franklin County?

The median static water level is 50 ft below ground surface (middle half of wells: 20 ft–112 ft), from 1,330 measurements.

How much water do wells in Franklin County produce?

The median tested yield is 25 gpm (middle half: 15 gpm–40 gpm), from 1,051 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 41 50–100 ft 115 100–150 ft 195 150–200 ft 144 200–300 ft 234 300–400 ft 190 400–600 ft 124 600+ ft 26
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Well records by ZIP code in Franklin County

Median depth, water level, and yield for each ZIP code with recorded wells.

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.