⟁ California Well Data field records · 2026 survey

California Well Data › Contra Costa County › Alamo (94507)

Alamo, CA (94507): well depth, water level & drilling cost

✓ 325 DWR records · Contra Costa County

200 ftmedian well depth
150 ft–260 fttypical depth range
35 ftmedian static water level
25 gpmmedian yield (167 tests)

Pull every recorded well near a Alamo (94507) address — $49

How deep are wells in and around Alamo (94507), California?

The median drilled well depth in and around Alamo (94507) is 200 ft, based on 270 wells with recorded depths in the state DWR database. Half fall between 150 ft and 260 ft; 90% are shallower than 360 ft.

How much does it cost to drill a well in and around Alamo (94507)?

Applying published per-foot rates to the local median depth of 200 ft: drilling and casing alone typically runs $5,000–$13,000; a complete system including pump, pressure tank, and hookup typically runs $12,000–$20,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Alamo (94507)?

The median static water level is 35 ft below ground surface (middle half of wells: 22 ft–56 ft), from 169 measurements.

Drilled depth distribution

0–50 ft 2 50–100 ft 13 100–150 ft 51 150–200 ft 43 200–300 ft 101 300–400 ft 40 400–600 ft 15 600+ ft 5
Looking at a specific property in Alamo (94507)?

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 Alamo (94507)

Free. Goes to licensed drillers working Contra Costa County.

Part of Contra Costa 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.