The state of Wisconsin keeps a log of every well ever drilled. We read all 814,554 of them.
How deep is the water under Wisconsin?
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 WI DNR · 2026-06-30
120 ftmedian well depth statewide
31 ftmedian static water level
15 gpmmedian well yield
89,115wells drilled since 2016
Buying property with a well — or land you'd need to drill?
See every recorded well near any Wisconsin address: depths, water levels, yields, and the original driller's logs.
Free address lookup Property report — $19Well data by county
Adams County
13,812 wells · median 62 ft Ashland County
2,741 wells · median 118 ft Barron County
12,016 wells · median 79 ft Bayfield County
6,963 wells · median 97 ft Brown County
15,801 wells · median 183 ft Buffalo County
3,933 wells · median 90 ft Burnett County
9,115 wells · median 90 ft Calumet County
4,583 wells · median 180 ft Chippewa County
16,281 wells · median 69 ft Clark County
8,097 wells · median 95 ft Columbia County
10,531 wells · median 145 ft Crawford County
3,055 wells · median 200 ft Dane County
28,539 wells · median 179 ft Dodge County
12,796 wells · median 147 ft Door County
14,834 wells · median 240 ft Douglas County
6,445 wells · median 131 ft Dunn County
8,897 wells · median 100 ft Eau Claire County
11,735 wells · median 95 ft Florence County
2,907 wells · median 83 ft Fond Du Lac County
14,062 wells · median 165 ft Forest County
5,153 wells · median 66 ft Grant County
7,413 wells · median 240 ft Green County
6,798 wells · median 176 ft Green Lake County
5,770 wells · median 145 ft Iowa County
5,201 wells · median 224 ft Iron County
2,683 wells · median 80 ft Jackson County
5,727 wells · median 78 ft Jefferson County
11,175 wells · median 142 ft Juneau County
7,328 wells · median 62 ft Kenosha County
17,650 wells · median 116 ft Kewaunee County
4,437 wells · median 160 ft La Crosse County
8,846 wells · median 108 ft Lafayette County
3,557 wells · median 220 ft Langlade County
7,507 wells · median 66 ft Lincoln County
8,872 wells · median 74 ft Manitowoc County
10,391 wells · median 143 ft Marathon County
26,449 wells · median 140 ft Marinette County
13,284 wells · median 116 ft Marquette County
7,419 wells · median 110 ft Menominee County
1,599 wells · median 62 ft Milwaukee County
24,981 wells · median 204 ft Monroe County
7,665 wells · median 95 ft Oconto County
15,981 wells · median 104 ft Oneida County
20,222 wells · median 61 ft Outagamie County
15,999 wells · median 175 ft Ozaukee County
12,997 wells · median 185 ft Pepin County
1,858 wells · median 115 ft Pierce County
5,744 wells · median 200 ft Polk County
12,676 wells · median 108 ft Portage County
12,123 wells · median 78 ft Price County
6,338 wells · median 71 ft Racine County
18,807 wells · median 125 ft Richland County
3,979 wells · median 140 ft Rock County
14,048 wells · median 140 ft Rusk County
5,819 wells · median 60 ft Sauk County
10,528 wells · median 140 ft Sawyer County
11,595 wells · median 79 ft Shawano County
9,373 wells · median 121 ft Sheboygan County
12,743 wells · median 175 ft St. Croix County
16,146 wells · median 160 ft Taylor County
6,232 wells · median 94 ft Trempealeau County
6,224 wells · median 100 ft Vernon County
5,357 wells · median 220 ft Vilas County
16,663 wells · median 60 ft Walworth County
20,348 wells · median 96 ft Washburn County
8,053 wells · median 84 ft Washington County
21,770 wells · median 172 ft Waukesha County
63,794 wells · median 149 ft Waupaca County
12,602 wells · median 98 ft Waushara County
11,757 wells · median 99 ft Winnebago County
16,334 wells · median 145 ft Wood County
11,030 wells · median 62 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.