⟁ California Well Data field records · 2026 survey

California Well Data › San Luis Obispo County › San Luis Obispo (93409)

San Luis Obispo, CA (93409): well depth, water level & drilling cost

✓ 969 DWR records · San Luis Obispo County

240 ftmedian well depth
171 ft–360 fttypical depth range
84 ftmedian static water level
60 gpmmedian yield (109 tests)

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How deep are wells in and around San Luis Obispo (93409), California?

The median drilled well depth in and around San Luis Obispo (93409) is 240 ft, based on 130 wells with recorded depths in the state DWR database. Half fall between 171 ft and 360 ft; 90% are shallower than 482 ft.

How much does it cost to drill a well in and around San Luis Obispo (93409)?

Applying published per-foot rates to the local median depth of 240 ft: drilling and casing alone typically runs $6,000–$15,600; a complete system including pump, pressure tank, and hookup typically runs $14,400–$24,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around San Luis Obispo (93409)?

The median static water level is 84 ft below ground surface (middle half of wells: 53 ft–122 ft), from 114 measurements.

Drilled depth distribution

0–50 ft 7 50–100 ft 5 100–150 ft 13 150–200 ft 13 200–300 ft 38 300–400 ft 28 400–600 ft 22 600+ ft 4
Looking at a specific property in San Luis Obispo (93409)?

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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.