⟁ Arizona Well Data field records · 2026 survey

Arizona Well Data › Maricopa County

Maricopa County, Arizona: well depth, water level & drilling cost

✓ 34,569 ADWR records · verified 2026-08-20

340 ftmedian well depth
180 ft–600 fttypical depth range
150 ftmedian static water level
25 gpmmedian yield (11,204 tests)

How deep are wells in Maricopa County, Arizona?

The median drilled well depth in Maricopa County is 340 ft, based on 28,078 wells with recorded depths in the state ADWR database. Half of all wells fall between 180 ft and 600 ft; 90% are shallower than 820 ft. Wells drilled since 2016 have a median depth of 320 ft.

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

Applying published per-foot rates to the local median depth of 320 ft: drilling and casing alone typically runs $8,000–$20,800; a complete system including pump, pressure tank, and hookup typically runs $19,200–$32,000. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Maricopa County?

The median static water level is 150 ft below ground surface (middle half of wells: 75 ft–320 ft), from 24,712 measurements.

How much water do wells in Maricopa County produce?

The median tested yield is 25 gpm (middle half: 11 gpm–130 gpm), from 11,204 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 981 50–100 ft 1,960 100–150 ft 2,463 150–200 ft 2,193 200–300 ft 4,553 300–400 ft 3,154 400–600 ft 5,496 600+ ft 7,278
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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.