California Well Data › Lassen County

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

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

✓ 4,990 DWR records · verified 2026-10-02

165 ftmedian well depth

104 ft–285 fttypical depth range

53 ftmedian static water level

25 gpmmedian yield (1,496 tests)

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How deep are wells in Lassen County, California?

The median drilled well depth in Lassen County is 165 ft, based on 4,967 wells with recorded depths in the state DWR database. Half of all wells fall between 104 ft and 285 ft; 90% are shallower than 480 ft. Wells drilled since 2016 have a median depth of 246 ft.

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

Applying published per-foot rates to the local median depth of 246 ft: drilling and casing alone typically runs $6,150–$15,990; a complete system including pump, pressure tank, and hookup typically runs $14,760–$24,600. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Lassen County?

The median static water level is 53 ft below ground surface (middle half of wells: 27 ft–88 ft), from 213 measurements.

How much water do wells in Lassen County produce?

The median tested yield is 25 gpm (middle half: 15 gpm–50 gpm), from 1,496 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 123 50–100 ft 946 100–150 ft 1,094 150–200 ft 786 200–300 ft 842 300–400 ft 431 400–600 ft 467 600+ ft 278

Who drills wells in Lassen 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
SMITH'S PUMPS INC	69
STEVE'S PUMPS & WELL DRILLING INC	52
CONNERS WELL DRILLING	32
YOUR H20 PRO	24
STONEHOUSE WELL DRILLING	22
BECKETT DRILLING & PUMP SERVICE	11
JENSEN KELIN DRILLING	7
ENLOE DRILLING AND PUMPS INC	6

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Well records by ZIP code in Lassen County

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

Janesville (96114) — 1,013 wells, median 186 ft
Susanville (96130) — 693 wells, median 157 ft
Doyle (96109) — 335 wells, median 154 ft
Standish (96128) — 313 wells, median 179 ft
Herlong (96113) — 308 wells, median 157 ft
Bieber (96009) — 255 wells, median 320 ft
Milford (96121) — 227 wells, median 204 ft
Susanville (96127) — 187 wells, median 240 ft
Litchfield (96117) — 167 wells, median 165 ft
Nubieber (96068) — 148 wells, median 300 ft
Ravendale (96123) — 83 wells, median 163 ft
Wendel (96136) — 82 wells, median 175 ft
Termo (96132) — 68 wells, median 239 ft
Madeline (96119) — 66 wells, median 489 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.