⟁ California Well Data field records · 2026 survey

California Well Data › San Luis Obispo County › Santa Margarita (93453)

Santa Margarita, CA (93453): well depth, water level & drilling cost

✓ 230 DWR records · San Luis Obispo County

240 ftmedian well depth
139 ft–301 fttypical depth range
40 ftmedian static water level
68 gpmmedian yield (38 tests)

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How deep are wells in and around Santa Margarita (93453), California?

The median drilled well depth in and around Santa Margarita (93453) is 240 ft, based on 67 wells with recorded depths in the state DWR database. Half fall between 139 ft and 301 ft; 90% are shallower than 485 ft.

How much does it cost to drill a well in and around Santa Margarita (93453)?

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 Santa Margarita (93453)?

The median static water level is 40 ft below ground surface (middle half of wells: 22 ft–75 ft), from 57 measurements.

Drilled depth distribution

0–50 ft 2 50–100 ft 8 100–150 ft 8 150–200 ft 7 200–300 ft 21 300–400 ft 9 400–600 ft 8 600+ ft 4
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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.