⟁ New Mexico Well Data field records · 2026 survey

New Mexico Well Data › Union County

Union County, New Mexico: well depth, water level & drilling cost

✓ 1,091 OSE records · verified 2026-09-22

300 ftmedian well depth
160 ft–419 fttypical depth range
145 ftmedian static water level
20 gpmmedian yield (746 tests)

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How deep are wells in Union County, New Mexico?

The median drilled well depth in Union County is 300 ft, based on 1,091 wells with recorded depths in the state OSE database. Half of all wells fall between 160 ft and 419 ft; 90% are shallower than 550 ft. Wells drilled since 2016 have a median depth of 300 ft.

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

Applying published per-foot rates to the local median depth of 300 ft: drilling and casing alone typically runs $7,500–$19,500; a complete system including pump, pressure tank, and hookup typically runs $18,000–$30,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Union County?

The median static water level is 145 ft below ground surface (middle half of wells: 75 ft–230 ft), from 862 measurements.

How much water do wells in Union County produce?

The median tested yield is 20 gpm (middle half: 8 gpm–60 gpm), from 746 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 50 50–100 ft 70 100–150 ft 134 150–200 ft 89 200–300 ft 188 300–400 ft 226 400–600 ft 257 600+ ft 77
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Well records by ZIP code in Union County

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

Method: medians computed from OSE records (OSE Points of Diversion filed as wells (a recorded drilled depth); surface diversions, ditches and acequias excluded; depths 0–5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.