California Well Data › Merced County

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

Name: Merced County, California water well statistics
Creator: California Well Data
License: https://creativecommons.org/licenses/by/4.0/

✓ 14,628 DWR records · verified 2026-10-02

214 ftmedian well depth

150 ft–310 fttypical depth range

40 ftmedian static water level

1,000 gpmmedian yield (1,657 tests)

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How deep are wells in Merced County, California?

The median drilled well depth in Merced County is 214 ft, based on 12,391 wells with recorded depths in the state DWR database. Half of all wells fall between 150 ft and 310 ft; 90% are shallower than 500 ft. Wells drilled since 2016 have a median depth of 300 ft.

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

Applying published per-foot rates to the local median depth of 300 ft: drilling and casing alone typically runs $7,500–$19,500; a complete system including pump, pressure tank, and hookup typically runs $18,000–$30,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Merced County?

The median static water level is 40 ft below ground surface (middle half of wells: 18 ft–84 ft), from 4,331 measurements.

How much water do wells in Merced County produce?

The median tested yield is 1,000 gpm (middle half: 150 gpm–2,036 gpm), from 1,657 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 216 50–100 ft 851 100–150 ft 1,997 150–200 ft 2,122 200–300 ft 3,586 300–400 ft 1,601 400–600 ft 1,145 600+ ft 873

Who drills wells in Merced County?

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

Driller	Wells since 2016
QUALITY WELL DRILLERS INC	480
CALWATER DRILLING COMPANY INC	344
LIVING WATER WELL DRILLING	337
MASELLIS DRILLING INC	112
DOS PALOS WELL DRILLING	80
MYERS BROTHERS WELL DRILLING INC	58
ALLISON SIERRA	39
ATWATER WELL DRILLING	34

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Well records by ZIP code in Merced County

Median depth, water level, and yield for each ZIP code with recorded wells.

Atwater (95301) — 1,612 wells, median 210 ft
Livingston (95334) — 1,226 wells, median 205 ft
Los Banos (93635) — 1,081 wells, median 220 ft
Hilmar (95324) — 1,075 wells, median 146 ft
Delhi (95315) — 879 wells, median 190 ft
Winton (95388) — 847 wells, median 250 ft
Stevinson (95374) — 804 wells, median 143 ft
El Nido (95317) — 779 wells, median 500 ft
Merced (95348) — 731 wells, median 240 ft
Merced (95340) — 728 wells, median 240 ft
Dos Palos (93620) — 708 wells, median 150 ft
Gustine (95322) — 708 wells, median 180 ft
Ballico (95303) — 690 wells, median 306 ft
Le Grand (95333) — 467 wells, median 527 ft
Planada (95365) — 442 wells, median 400 ft
Cressey (95312) — 414 wells, median 239 ft
Snelling (95369) — 348 wells, median 317 ft
Santa Rita Park (93661) — 303 wells, median 234 ft
Merced (95343) — 279 wells, median 223 ft
Merced (95341) — 272 wells, median 348 ft

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.