The state of Missouri keeps a log of every well ever drilled. We read all 195,527 of them.

Missouri well logs, made useful.

Every well certified with the Missouri Geological Survey — how deep it went, what it yielded and who drilled it — brought together around one address, instead of one record at a time.

✓ Verified against MoDNR · 2026-08-21

335 ftmedian well depth statewide

120 ftmedian static water level

35 gpmmedian well yield

37,201wells drilled since 2016

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 MoDNR records

Every figure here comes from the Missouri Department of Natural Resources water well 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.

What's in a Missouri well log → · About MoDNR →

Buying property with a well — or land you'd need to drill?

See every recorded well near any Missouri address: depths, water levels, yields, and links to the original driller's logs — all in one report.

Get the property report — $29

Driller, agent, or inspector? Unlimited & white-label plans →

Well data by county

Andrew County 90 wells · median 50 ft Atchison County 334 wells · median 81 ft Audrain County 296 wells · median 630 ft Barry County 3,959 wells · median 505 ft Barton County 175 wells · median 741 ft Bates County 189 wells · median 450 ft Benton County 3,911 wells · median 270 ft Bollinger County 1,955 wells · median 270 ft Boone County 681 wells · median 506 ft Buchanan County 122 wells · median 70 ft Butler County 2,825 wells · median 120 ft Caldwell County 89 wells · median 51 ft Callaway County 885 wells · median 446 ft Camden County 5,548 wells · median 285 ft Cape Girardeau County 2,351 wells · median 324 ft Carroll County 127 wells · median 70 ft Carter County 534 wells · median 230 ft Cass County 252 wells · median 368 ft Cedar County 2,027 wells · median 400 ft Chariton County 173 wells · median 72 ft Christian County 5,341 wells · median 530 ft Clark County 69 wells · median 139 ft Clay County 155 wells · median 100 ft Clinton County 139 wells · median 60 ft Cole County 2,698 wells · median 290 ft Cooper County 1,032 wells · median 360 ft Crawford County 2,993 wells · median 272 ft Dade County 1,321 wells · median 415 ft Dallas County 3,594 wells · median 305 ft Daviess County 104 wells · median 126 ft Dekalb County 94 wells · median 50 ft Dent County 1,972 wells · median 312 ft Douglas County 2,861 wells · median 350 ft Dunklin County 2,564 wells · median 100 ft Franklin County 8,109 wells · median 306 ft Gasconade County 2,037 wells · median 320 ft Gentry County 98 wells · median 42 ft Greene County 6,957 wells · median 485 ft Grundy County 31 wells · median 147 ft Harrison County 58 wells · median 60 ft Henry County 1,087 wells · median 390 ft Hickory County 1,880 wells · median 345 ft Holt County 353 wells · median 82 ft Howard County 99 wells · median 310 ft Howell County 3,872 wells · median 340 ft Iron County 1,023 wells · median 265 ft Jackson County 222 wells · median 100 ft Jasper County 3,208 wells · median 364 ft Jefferson County 7,383 wells · median 353 ft Johnson County 992 wells · median 485 ft Knox County 56 wells · median 280 ft Laclede County 1,793 wells · median 340 ft Lafayette County 82 wells · median 370 ft Lawrence County 3,678 wells · median 475 ft Lewis County 108 wells · median 168 ft Lincoln County 3,699 wells · median 525 ft Linn County 46 wells · median 80 ft Livingston County 87 wells · median 83 ft Macon County 15 wells · median 520 ft Madison County 1,339 wells · median 300 ft Maries County 1,419 wells · median 292 ft Marion County 108 wells · median 129 ft Mcdonald County 2,298 wells · median 630 ft Mercer County 22 wells · median 68 ft Miller County 3,026 wells · median 260 ft Mississippi County 905 wells · median 100 ft Moniteau County 1,504 wells · median 300 ft Monroe County 215 wells · median 388 ft Montgomery County 1,235 wells · median 460 ft Morgan County 3,968 wells · median 252 ft New Madrid County 3,276 wells · median 100 ft Newton County 5,433 wells · median 450 ft Nodaway County 269 wells · median 50 ft Oregon County 1,621 wells · median 330 ft Osage County 1,890 wells · median 333 ft Ozark County 2,230 wells · median 356 ft Pemiscot County 1,907 wells · median 100 ft Perry County 1,281 wells · median 375 ft Pettis County 3,003 wells · median 330 ft Phelps County 3,206 wells · median 272 ft Pike County 519 wells · median 460 ft Platte County 192 wells · median 86 ft Polk County 4,568 wells · median 325 ft Pulaski County 1,504 wells · median 325 ft Ralls County 95 wells · median 284 ft Randolph County 70 wells · median 430 ft Ray County 153 wells · median 72 ft Reynolds County 822 wells · median 300 ft Ripley County 982 wells · median 210 ft Saline County 208 wells · median 370 ft Scotland County 17 wells · median 315 ft Scott County 2,021 wells · median 95 ft Shannon County 1,444 wells · median 390 ft Shelby County 38 wells · median 238 ft St. Charles County 3,363 wells · median 566 ft St. Clair County 1,929 wells · median 325 ft St. Francois County 4,419 wells · median 287 ft St. Louis County 1,717 wells · median 445 ft Ste. Genevieve County 1,697 wells · median 285 ft Stoddard County 4,267 wells · median 100 ft Stone County 4,185 wells · median 510 ft Taney County 3,198 wells · median 488 ft Texas County 2,926 wells · median 330 ft Vernon County 337 wells · median 465 ft Warren County 2,910 wells · median 505 ft Washington County 3,318 wells · median 220 ft Wayne County 1,161 wells · median 247 ft Webster County 5,905 wells · median 360 ft Worth County 36 wells · median 42 ft Wright County 2,851 wells · median 365 ft