California water well logs, made useful.
Depth, water level, yield, and the original driller's report — for every recorded water well near any California address.
✓ Verified against DWR · 2026-09-22
215 ftmedian well depth statewide
60 ftmedian static water level
30 gpmmedian well yield
60,680wells drilled since 2016
From recent buyers
“Between the report and your correspondence I feel I got way more than my money's worth… it has even removed a ton of stress.”
“Thank you, fantastic and good information. Worth far more than what I paid — your time especially!”
“The report was very helpful and answered my questions.”
What you can answer here
- How deep will my well need to be? Median and range of actual drilled depths near you — not national averages.
- What will it cost? Local median depth × published per-foot rates, with the math shown.
- Will it produce enough water? Yields from pump tests on nearby wells.
- Who drills around here? The drillers who actually filed recent well logs in your county.
These are DWR records
Every figure here comes from the California Department of Water Resources (DWR) Well Completion Reports database — the state's official well-log repository. We index those same records by location so you can start from an address, and every well links back to its original filed log.
Buying property with a well — or land you'd need to drill?
See every recorded well near any California address: depths, water levels, yields, driller names and license numbers, and a printable summary for due diligence — all in one report.
Get the property report — $49Driller, agent, or inspector? Unlimited & white-label plans →
Well data by county
Alameda County 13,244 wells · median 74 ft Alpine County 414 wells · median 250 ft Amador County 7,675 wells · median 270 ft Butte County 18,305 wells · median 160 ft Calaveras County 8,581 wells · median 300 ft Colusa County 3,595 wells · median 244 ft Contra Costa County 11,327 wells · median 140 ft Del Norte County 1,969 wells · median 41 ft El Dorado County 17,808 wells · median 250 ft Fresno County 44,148 wells · median 205 ft Glenn County 6,383 wells · median 160 ft Humboldt County 4,134 wells · median 100 ft Imperial County 627 wells · median 300 ft Inyo County 2,216 wells · median 152 ft Kern County 21,077 wells · median 400 ft Kings County 8,232 wells · median 295 ft Lake County 6,521 wells · median 120 ft Lassen County 4,990 wells · median 165 ft Los Angeles County 36,879 wells · median 246 ft Madera County 18,381 wells · median 397 ft Marin County 3,929 wells · median 150 ft Mariposa County 7,240 wells · median 220 ft Mendocino County 14,948 wells · median 140 ft Merced County 14,627 wells · median 214 ft Modoc County 2,746 wells · median 240 ft Mono County 1,512 wells · median 200 ft Monterey County 11,253 wells · median 310 ft Napa County 9,864 wells · median 310 ft Nevada County 23,259 wells · median 200 ft Orange County 11,510 wells · median 190 ft Placer County 18,729 wells · median 200 ft Plumas County 9,691 wells · median 150 ft Riverside County 31,130 wells · median 300 ft Sacramento County 20,189 wells · median 202 ft San Benito County 2,508 wells · median 252 ft San Bernardino County 22,946 wells · median 260 ft San Diego County 25,800 wells · median 305 ft San Francisco County 2,345 wells · median 29 ft San Joaquin County 21,732 wells · median 235 ft San Luis Obispo County 22,605 wells · median 340 ft San Mateo County 7,609 wells · median 120 ft Santa Barbara County 11,535 wells · median 340 ft Santa Clara County 33,188 wells · median 80 ft Santa Cruz County 7,338 wells · median 248 ft Shasta County 13,453 wells · median 160 ft Sierra County 830 wells · median 175 ft Siskiyou County 9,276 wells · median 145 ft Solano County 8,700 wells · median 200 ft Sonoma County 37,900 wells · median 195 ft Stanislaus County 16,671 wells · median 200 ft Sutter County 6,844 wells · median 115 ft Tehama County 14,624 wells · median 170 ft Trinity County 3,154 wells · median 178 ft Tulare County 27,135 wells · median 270 ft Tuolumne County 5,864 wells · median 350 ft Ventura County 8,649 wells · median 300 ft Yolo County 12,459 wells · median 232 ft Yuba County 8,568 wells · median 200 ft