⟁ California Well Data field records · 2026 survey

California Well Data › Mendocino County › Gualala (95445)

Gualala, CA (95445): well depth, water level & drilling cost

✓ 500 DWR records · Mendocino County

140 ftmedian well depth
101 ft–200 fttypical depth range
30 ftmedian static water level
6 gpmmedian yield (213 tests)

Pull every recorded well near a Gualala (95445) address — $49

How deep are wells in and around Gualala (95445), California?

The median drilled well depth in and around Gualala (95445) is 140 ft, based on 420 wells with recorded depths in the state DWR database. Half fall between 101 ft and 200 ft; 90% are shallower than 220 ft.

How much does it cost to drill a well in and around Gualala (95445)?

Applying published per-foot rates to the local median depth of 140 ft: drilling and casing alone typically runs $3,500–$9,100; a complete system including pump, pressure tank, and hookup typically runs $8,400–$14,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Gualala (95445)?

The median static water level is 30 ft below ground surface (middle half of wells: 20 ft–60 ft), from 223 measurements.

Drilled depth distribution

0–50 ft 10 50–100 ft 61 100–150 ft 147 150–200 ft 93 200–300 ft 97 300–400 ft 8 400–600 ft 4 600+ ft 0
Looking at a specific property in Gualala (95445)?

See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.

Free lookup Property report — $49
Get quotes from drillers who work in Gualala (95445)

Free. Goes to licensed drillers working Mendocino County.

Part of Mendocino 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.