⟁ California Well Data field records · 2026 survey

California Well Data › Contra Costa County › Knightsen (94548)

Knightsen, CA (94548): well depth, water level & drilling cost

✓ 576 DWR records · Contra Costa County

180 ftmedian well depth
144 ft–250 fttypical depth range
25 ftmedian static water level
70 gpmmedian yield (66 tests)

Pull every recorded well near a Knightsen (94548) address — $49

How deep are wells in and around Knightsen (94548), California?

The median drilled well depth in and around Knightsen (94548) is 180 ft, based on 503 wells with recorded depths in the state DWR database. Half fall between 144 ft and 250 ft; 90% are shallower than 300 ft.

How much does it cost to drill a well in and around Knightsen (94548)?

Applying published per-foot rates to the local median depth of 180 ft: drilling and casing alone typically runs $4,500–$11,700; a complete system including pump, pressure tank, and hookup typically runs $10,800–$18,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Knightsen (94548)?

The median static water level is 25 ft below ground surface (middle half of wells: 15 ft–37 ft), from 278 measurements.

Drilled depth distribution

0–50 ft 2 50–100 ft 31 100–150 ft 103 150–200 ft 143 200–300 ft 167 300–400 ft 50 400–600 ft 7 600+ ft 0
Looking at a specific property in Knightsen (94548)?

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 Knightsen (94548)

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.