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How Deep Are Wells in Indiana? Real Depth Data by County

"How deep will my well need to be?" is one of the hardest well-drilling questions to answer in the abstract, because it depends entirely on local geology. Indiana publishes its water-well records as open data through IndianaMap, so instead of a national average, here is what 10,771 actual wells completed since 2011 report for depth, broken down by county.

Source and method: Indiana Department of Natural Resources Water Well Record Database (IndianaMap), extracted 2026-07-14. This dataset has no well-use field, so the figures cover all wells on record, not residential wells only (there is no way to filter to domestic use in the source). Figures are limited to wells completed 2011 or later, with a reported total depth between 15 and 2,000 ft (to exclude likely data-entry errors). A county is shown only if it has at least 5 qualifying records. These are figures self-reported by licensed drillers to the state; the Indiana DNR compiles the driller-submitted reports and does not independently verify them, and neither does this site. Treat this as a planning reference, not a guarantee for any specific property, your own site could sit well outside your county's typical range.

Median well depth by county

"Typical range" is the 10th-to-90th-percentile band, i.e. where 80% of reported wells in that county fell. Counties with fewer than 5 qualifying records since 2011 are omitted rather than shown with a misleading precise figure.

County Median depth Typical range (10th-90th pct) Reports used
Adams 141 ft 88-222 ft 77
Allen 100 ft 60-185 ft 197
Bartholomew 63 ft 36-243 ft 37
Benton 137 ft 61-300 ft 105
Blackford 121 ft 71-181 ft 16
Boone 108 ft 48-191 ft 167
Carroll 99 ft 60-174 ft 170
Cass 101 ft 65-198 ft 155
Clark 37 ft 24-205 ft 10
Clay 250 ft 63-300 ft 19
Clinton 111 ft 58-225 ft 135
Crawford 172 ft 128-420 ft 12
Daviess 258 ft 46-380 ft 62
Decatur 75 ft 48-82 ft 7
DeKalb 116 ft 66-169 ft 72
Delaware 98 ft 50-185 ft 168
Dubois 200 ft 150-300 ft 7
Elkhart 62 ft 40-140 ft 1,838
Fayette 65 ft 39-105 ft 15
Fountain 110 ft 50-240 ft 80
Franklin 114 ft 60-160 ft 17
Fulton 94 ft 61-148 ft 157
Gibson 29 ft 29-60 ft 36
Grant 100 ft 64-176 ft 55
Greene 210 ft 70-360 ft 24
Hamilton 102 ft 55-202 ft 276
Hancock 105 ft 47-175 ft 135
Harrison 173 ft 97-220 ft 8
Hendricks 98 ft 50-197 ft 203
Henry 95 ft 47-163 ft 70
Howard 104 ft 67-200 ft 87
Huntington 164 ft 93-284 ft 53
Jackson 78 ft 40-162 ft 19
Jasper 82 ft 35-300 ft 70
Jay 141 ft 59-215 ft 68
Johnson 84 ft 40-170 ft 65
Knox 68 ft 40-130 ft 22
Kosciusko 90 ft 56-165 ft 449
LaGrange 85 ft 49-145 ft 631
Lake 88 ft 38-200 ft 256
LaPorte 66 ft 37-135 ft 504
Lawrence 180 ft 50-300 ft 17
Madison 111 ft 57-180 ft 160
Marion 95 ft 42-188 ft 284
Marshall 103 ft 60-170 ft 120
Martin 190 ft 65-343 ft 8
Miami 101 ft 63-163 ft 88
Monroe 185 ft 57-300 ft 17
Montgomery 99 ft 60-170 ft 111
Morgan 117 ft 52-200 ft 36
Newton 51 ft 35-160 ft 92
Noble 98 ft 60-190 ft 105
Orange 189 ft 70-260 ft 19
Owen 200 ft 105-285 ft 31
Parke 130 ft 58-203 ft 37
Perry 100 ft 44-161 ft 10
Porter 88 ft 30-135 ft 38
Posey 43 ft 29-187 ft 18
Pulaski 108 ft 70-220 ft 103
Putnam 95 ft 53-218 ft 27
Randolph 98 ft 50-181 ft 70
Rush 76 ft 41-141 ft 26
Shelby 71 ft 42-125 ft 72
Spencer 96 ft 54-150 ft 12
St. Joseph 72 ft 45-132 ft 796
Starke 86 ft 44-174 ft 38
Steuben 95 ft 54-161 ft 560
Sullivan 90 ft 46-210 ft 15
Tippecanoe 141 ft 69-206 ft 487
Tipton 107 ft 68-162 ft 49
Union 49 ft 30-98 ft 8
Vanderburgh 55 ft 30-149 ft 5
Vermillion 93 ft 45-208 ft 20
Vigo 62 ft 40-230 ft 87
Wabash 114 ft 63-217 ft 103
Warren 137 ft 65-260 ft 132
Wayne 103 ft 60-154 ft 65
Wells 141 ft 81-201 ft 40
White 120 ft 58-202 ft 222
Whitley 130 ft 80-197 ft 89

How to use this table

Find your county, then use the median and typical-range figures as a starting point when budgeting with the well drilling cost estimator or reading the cost guide. A driller working in your county day-to-day will still know more about your specific property than a county-wide figure can, ask them how your site compares to the county's typical range, and why, before you commit to a per-foot quote with no depth ceiling.

We build these tables state by state from each state's public completion-report data. See also our Texas well depth by county page.

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