⟁ Nebraska Well Data field records · 2026 survey

Nebraska Well Data › Rock County

Rock County, Nebraska: well depth, water level & drilling cost

✓ 1,435 NeDNR records · verified 2026-08-20

180 ftmedian well depth
95 ft–260 fttypical depth range
18 ftmedian static water level
663 gpmmedian yield (1,214 tests)

How deep are wells in Rock County, Nebraska?

The median drilled well depth in Rock County is 180 ft, based on 1,423 wells with recorded depths in the state NeDNR database. Half of all wells fall between 95 ft and 260 ft; 90% are shallower than 360 ft. Wells drilled since 2016 have a median depth of 139 ft.

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

Applying published per-foot rates to the local median depth of 139 ft: drilling and casing alone typically runs $3,475–$9,035; a complete system including pump, pressure tank, and hookup typically runs $8,340–$13,900. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Rock County?

The median static water level is 18 ft below ground surface (middle half of wells: 8 ft–35 ft), from 1,406 measurements.

How much water do wells in Rock County produce?

The median tested yield is 663 gpm (middle half: 11 gpm–950 gpm), from 1,214 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 165 50–100 ft 197 100–150 ft 186 150–200 ft 255 200–300 ft 359 300–400 ft 187 400–600 ft 74 600+ ft 0
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Method: medians computed from NeDNR records (Nebraska DNR registered groundwater wells; decommissioned wells are excluded from the working-well counts but still counted in depth history; depths 0-5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.