⟁ California Well Data field records · 2026 survey

California Well Data › San Luis Obispo County › Atascadero (93422)

Atascadero, CA (93422): well depth, water level & drilling cost

✓ 1,622 DWR records · San Luis Obispo County

325 ftmedian well depth
200 ft–440 fttypical depth range
120 ftmedian static water level
50 gpmmedian yield (182 tests)

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How deep are wells in and around Atascadero (93422), California?

The median drilled well depth in and around Atascadero (93422) is 325 ft, based on 393 wells with recorded depths in the state DWR database. Half fall between 200 ft and 440 ft; 90% are shallower than 520 ft.

How much does it cost to drill a well in and around Atascadero (93422)?

Applying published per-foot rates to the local median depth of 325 ft: drilling and casing alone typically runs $8,125–$21,125; a complete system including pump, pressure tank, and hookup typically runs $19,500–$32,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Atascadero (93422)?

The median static water level is 120 ft below ground surface (middle half of wells: 60 ft–183 ft), from 337 measurements.

Drilled depth distribution

0–50 ft 10 50–100 ft 24 100–150 ft 43 150–200 ft 14 200–300 ft 72 300–400 ft 86 400–600 ft 117 600+ ft 27
Looking at a specific property in Atascadero (93422)?

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Part of San Luis Obispo County well records.

Method: medians computed from DWR records (filed well completion reports, water-supply uses only (destruction, repair and monitoring wells excluded); depths 0–5,000 ft), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.