⟁ California Well Data field records · 2026 survey

California Well Data › San Luis Obispo County › San Luis Obispo (93401)

San Luis Obispo, CA (93401): well depth, water level & drilling cost

✓ 507 DWR records · San Luis Obispo County

108 ftmedian well depth
63 ft–174 fttypical depth range
20 ftmedian static water level
30 gpmmedian yield (85 tests)

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How deep are wells in and around San Luis Obispo (93401), California?

The median drilled well depth in and around San Luis Obispo (93401) is 108 ft, based on 154 wells with recorded depths in the state DWR database. Half fall between 63 ft and 174 ft; 90% are shallower than 254 ft.

How much does it cost to drill a well in and around San Luis Obispo (93401)?

Applying published per-foot rates to the local median depth of 108 ft: drilling and casing alone typically runs $2,700–$7,020; a complete system including pump, pressure tank, and hookup typically runs $6,480–$10,800. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around San Luis Obispo (93401)?

The median static water level is 20 ft below ground surface (middle half of wells: 15 ft–30 ft), from 124 measurements.

Drilled depth distribution

0–50 ft 27 50–100 ft 38 100–150 ft 29 150–200 ft 31 200–300 ft 17 300–400 ft 7 400–600 ft 4 600+ ft 1
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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.