⟁ California Well Data field records · 2026 survey

California Well Data › San Diego County › San Marcos (92069)

San Marcos, CA (92069): well depth, water level & drilling cost

✓ 152 DWR records · San Diego County

385 ftmedian well depth
94 ft–722 fttypical depth range
59 ftmedian static water level
40 gpmmedian yield (59 tests)

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How deep are wells in and around San Marcos (92069), California?

The median drilled well depth in and around San Marcos (92069) is 385 ft, based on 88 wells with recorded depths in the state DWR database. Half fall between 94 ft and 722 ft; 90% are shallower than 1,012 ft.

How much does it cost to drill a well in and around San Marcos (92069)?

Applying published per-foot rates to the local median depth of 385 ft: drilling and casing alone typically runs $9,625–$25,025; a complete system including pump, pressure tank, and hookup typically runs $23,100–$38,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around San Marcos (92069)?

The median static water level is 59 ft below ground surface (middle half of wells: 15 ft–100 ft), from 21 measurements.

Drilled depth distribution

0–50 ft 21 50–100 ft 1 100–150 ft 4 150–200 ft 6 200–300 ft 4 300–400 ft 8 400–600 ft 15 600+ ft 29
Looking at a specific property in San Marcos (92069)?

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Part of San Diego 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.