New Mexico Well Data › Sierra County
Sierra County, New Mexico: well depth, water level & drilling cost
✓ 4,339 OSE records · verified 2026-09-22
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How deep are wells in Sierra County, New Mexico?
The median drilled well depth in Sierra County is 125 ft, based on 4,339 wells with recorded depths in the state OSE database. Half of all wells fall between 67 ft and 220 ft; 90% are shallower than 381 ft. Wells drilled since 2016 have a median depth of 160 ft.
How much does it cost to drill a well in Sierra County?
Applying published per-foot rates to the local median depth of 160 ft: drilling and casing alone typically runs $4,000–$10,400; a complete system including pump, pressure tank, and hookup typically runs $9,600–$16,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Sierra County?
The median static water level is 44 ft below ground surface (middle half of wells: 16 ft–90 ft), from 3,191 measurements.
How much water do wells in Sierra County produce?
The median tested yield is 30 gpm (middle half: 15 gpm–55 gpm), from 2,727 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
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Well records by ZIP code in Sierra County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Williamsburg (87942) — 1,200 wells, median 80 ft
- Truth Or Consequences (87901) — 469 wells, median 82 ft
- Caballo (87931) — 461 wells, median 120 ft
- Elephant Butte (87935) — 453 wells, median 240 ft
- Arrey (87930) — 434 wells, median 120 ft
- Hillsboro (88042) — 403 wells, median 200 ft
- Winston (87943) — 239 wells, median 146 ft
- Monticello (87939) — 214 wells, median 184 ft
- Derry (87933) — 142 wells, median 80 ft
- Spaceport City (87654) — 134 wells, median 200 ft
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.