⟁ Idaho Well Data field records · 2026 survey

Idaho Well Data › Jefferson County

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

✓ 8,055 IDWR records · verified 2026-08-21

120 ftmedian well depth
98 ft–158 fttypical depth range
43 ftmedian static water level
20 gpmmedian yield (2,623 tests)

How deep are wells in Jefferson County, Idaho?

The median drilled well depth in Jefferson County is 120 ft, based on 6,454 wells with recorded depths in the state IDWR database. Half of all wells fall between 98 ft and 158 ft; 90% are shallower than 260 ft. Wells drilled since 2016 have a median depth of 140 ft.

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

Applying published per-foot rates to the local median depth of 140 ft: drilling and casing alone typically runs $3,500–$9,100; a complete system including pump, pressure tank, and hookup typically runs $8,400–$14,000. Actual quotes depend on site access, geology, and casing requirements.

Get quotes from drillers active in Jefferson County

Free for property owners. We route your request only to licensed drillers who actually file well logs in Jefferson County — never sold elsewhere.

What is the static water level in Jefferson County?

The median static water level is 43 ft below ground surface (middle half of wells: 20 ft–80 ft), from 7,698 measurements.

How much water do wells in Jefferson County produce?

The median tested yield is 20 gpm (middle half: 5 gpm–35 gpm), from 2,623 pump tests. A typical household needs 5–10 gpm.

Pull every recorded well near a Jefferson County address — $29

Drilled depth distribution

0–50 ft 242 50–100 ft 1,625 100–150 ft 2,740 150–200 ft 813 200–300 ft 514 300–400 ft 303 400–600 ft 169 600+ ft 48
Looking at a specific property in Jefferson County?

See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.

Free lookup Property report — $29

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.