⟁ California Well Data field records · 2026 survey

California Well Data › Solano County

Solano County, California: well depth, water level & drilling cost

✓ 8,699 DWR records · verified 2026-08-14

200 ftmedian well depth
100 ft–300 fttypical depth range
36 ftmedian static water level
60 gpmmedian yield (549 tests)

How deep are wells in Solano County, California?

The median drilled well depth in Solano County is 200 ft, based on 6,449 wells with recorded depths in the state DWR database. Half of all wells fall between 100 ft and 300 ft; 90% are shallower than 430 ft. Wells drilled since 2016 have a median depth of 208 ft.

How much does it cost to drill a well in Solano County?

Applying published per-foot rates to the local median depth of 208 ft: drilling and casing alone typically runs $5,200–$13,520; a complete system including pump, pressure tank, and hookup typically runs $12,480–$20,800. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Solano County?

The median static water level is 36 ft below ground surface (middle half of wells: 15 ft–80 ft), from 706 measurements.

How much water do wells in Solano County produce?

The median tested yield is 60 gpm (middle half: 25 gpm–200 gpm), from 549 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 581 50–100 ft 843 100–150 ft 1,082 150–200 ft 703 200–300 ft 1,516 300–400 ft 865 400–600 ft 517 600+ ft 342

Who drills wells in Solano County?

Companies by number of wells completed in this county since 2016, per filed well completion reports (California Department of Water Resources).

DrillerWells since 2016
GREGG DRILLING & TESTING INC81
PARKS WATER RESOURCES64
CASCADE DRILLING L P59
SULLIVAN DRILLING INC38
KVILHAUG DRILLING & PUMP INC35
EATON DRILLING CO LLC33
CASCADE DRILLING LP27
PARKS WATER RESOURCES LLC27

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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). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.