The state of Ohio keeps a log of every well ever drilled. We read all 514,574 of them.
How deep is the water under Ohio?
County by county, well by well.
Median drilled depths, static water levels, tested yields, and what a new well actually costs — computed from the official record, not national averages.
✓ Verified against ODNR · 2026-06-29
99 ftmedian well depth statewide
31 ftmedian static water level
15 gpmmedian well yield
51,564wells drilled since 2016
Buying property with a well — or land you'd need to drill?
See every recorded well near any Ohio address: depths, water levels, yields, and the original driller's logs.
Free address lookup Property report — $19Well data by county
Adams County
1,344 wells · median 71 ft Allen County
7,093 wells · median 71 ft Ashland County
6,014 wells · median 110 ft Ashtabula County
5,597 wells · median 60 ft Athens County
926 wells · median 80 ft Auglaize County
3,230 wells · median 114 ft Belmont County
1,151 wells · median 105 ft Brown County
264 wells · median 92 ft Butler County
4,334 wells · median 60 ft Carroll County
6,840 wells · median 140 ft Champaign County
6,463 wells · median 95 ft Clark County
11,908 wells · median 89 ft Clermont County
689 wells · median 72 ft Clinton County
2,129 wells · median 95 ft Columbiana County
9,875 wells · median 135 ft Coshocton County
4,795 wells · median 102 ft Crawford County
4,276 wells · median 60 ft Cuyahoga County
4,393 wells · median 84 ft Darke County
7,554 wells · median 102 ft Defiance County
2,777 wells · median 88 ft Delaware County
5,404 wells · median 75 ft Erie County
1,679 wells · median 68 ft Fairfield County
14,799 wells · median 102 ft Fayette County
3,015 wells · median 87 ft Franklin County
17,402 wells · median 96 ft Fulton County
4,370 wells · median 101 ft Gallia County
516 wells · median 73 ft Geauga County
17,101 wells · median 105 ft Greene County
8,799 wells · median 93 ft Guernsey County
2,223 wells · median 111 ft Hamilton County
1,117 wells · median 80 ft Hancock County
5,191 wells · median 68 ft Hardin County
3,156 wells · median 90 ft Harrison County
1,739 wells · median 123 ft Henry County
2,208 wells · median 78 ft Highland County
1,999 wells · median 100 ft Hocking County
5,060 wells · median 222 ft Holmes County
7,140 wells · median 152 ft Huron County
3,246 wells · median 63 ft Jackson County
931 wells · median 85 ft Jefferson County
1,368 wells · median 130 ft Knox County
9,534 wells · median 140 ft Lake County
3,417 wells · median 80 ft Lawrence County
457 wells · median 82 ft Licking County
18,908 wells · median 140 ft Logan County
6,426 wells · median 119 ft Lorain County
2,567 wells · median 60 ft Lucas County
6,818 wells · median 82 ft Madison County
5,002 wells · median 105 ft Mahoning County
11,564 wells · median 120 ft Marion County
4,221 wells · median 80 ft Medina County
11,265 wells · median 95 ft Meigs County
829 wells · median 91 ft Mercer County
5,033 wells · median 150 ft Miami County
8,460 wells · median 87 ft Monroe County
599 wells · median 100 ft Montgomery County
7,796 wells · median 80 ft Morgan County
1,239 wells · median 76 ft Morrow County
5,414 wells · median 85 ft Muskingum County
4,891 wells · median 110 ft Noble County
385 wells · median 100 ft Ottawa County
5,354 wells · median 75 ft Paulding County
2,967 wells · median 61 ft Perry County
3,948 wells · median 120 ft Pickaway County
5,979 wells · median 93 ft Pike County
927 wells · median 70 ft Portage County
18,795 wells · median 95 ft Preble County
4,449 wells · median 80 ft Putnam County
4,477 wells · median 78 ft Richland County
13,190 wells · median 125 ft Ross County
3,555 wells · median 76 ft Sandusky County
6,746 wells · median 90 ft Scioto County
1,651 wells · median 55 ft Seneca County
5,544 wells · median 93 ft Shelby County
4,902 wells · median 113 ft Stark County
23,050 wells · median 120 ft Summit County
25,599 wells · median 82 ft Trumbull County
8,440 wells · median 98 ft Tuscarawas County
10,285 wells · median 138 ft Union County
7,603 wells · median 100 ft Van Wert County
2,665 wells · median 100 ft Vinton County
1,723 wells · median 260 ft Warren County
4,353 wells · median 61 ft Washington County
1,216 wells · median 86 ft Wayne County
16,723 wells · median 110 ft Williams County
4,799 wells · median 101 ft Wood County
7,105 wells · median 80 ft Wyandot County
3,589 wells · median 86 ft
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.