Arizona Well Data › Santa Cruz County
Santa Cruz County, Arizona: well depth, water level & drilling cost
✓ 5,472 ADWR records · verified 2026-10-12
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How deep are wells in Santa Cruz County, Arizona?
The median drilled well depth in Santa Cruz County is 240 ft, based on 4,459 wells with recorded depths in the state ADWR database. Half of all wells fall between 120 ft and 360 ft; 90% are shallower than 500 ft. Wells drilled since 2016 have a median depth of 340 ft.
How much does it cost to drill a well in Santa Cruz County?
Applying published per-foot rates to the local median depth of 340 ft: drilling and casing alone typically runs $8,500–$22,100; a complete system including pump, pressure tank, and hookup typically runs $20,400–$34,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Santa Cruz County?
The median static water level is 88 ft below ground surface (middle half of wells: 31 ft–190 ft), from 4,081 measurements.
How much water do wells in Santa Cruz County produce?
The median tested yield is 16 gpm (middle half: 10 gpm–30 gpm), from 2,562 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
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Well records by ZIP code in Santa Cruz County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Sonoita (85637) — 1,412 wells, median 320 ft
- Patagonia (85624) — 1,006 wells, median 200 ft
- Nogales (85621) — 903 wells, median 101 ft
- Elgin (85611) — 870 wells, median 260 ft
- Tubac (85646) — 548 wells, median 200 ft
- Nogales (85628) — 381 wells, median 425 ft
- Amado (85645) — 370 wells, median 190 ft
- Tumacacori (85640) — 271 wells, median 102 ft
- Rio Rico (85648) — 123 wells, median 160 ft
Method: medians computed from ADWR records (ADWR registered wells, excluding the 51,744 registrations the department has cancelled; depths 0-5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.