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county
stringlengths
4
10
well_records
int64
264
25.6k
median_depth_ft
int64
55
260
depth_p25_ft
int64
45
150
depth_p75_ft
int64
70
360
median_static_water_level_ft
int64
10
110
median_yield_gpm
int64
2
45
complete_system_low_usd
int64
2.82k
21.6k
complete_system_high_usd
int64
4.7k
36k
Adams
1,344
71
52
95
23
3
7,860
13,100
Allen
7,093
71
52
102
27
15
4,440
7,400
Ashland
6,014
110
77
147
38
15
8,160
13,600
Ashtabula
5,597
60
50
80
10
6
3,600
6,000
Athens
926
80
55
120
30
3
7,200
12,000
Auglaize
3,230
114
79
159
30
20
7,980
13,300
Belmont
1,151
105
78
142
45
4
9,900
16,500
Brown
264
92
65
115
18
4
5,760
9,600
Butler
4,334
60
50
80
23
10
3,600
6,000
Carroll
6,840
140
91
202
60
12
9,600
16,000
Champaign
6,463
95
62
144
40
15
6,480
10,800
Clark
11,908
89
60
126
30
15
6,240
10,400
Clermont
689
72
60
90
25
6
3,600
6,000
Clinton
2,129
95
66
122
20
10
6,000
10,000
Columbiana
9,875
135
95
200
50
15
9,600
16,000
Coshocton
4,795
102
67
180
45
10
8,400
14,000
Crawford
4,276
60
45
87
20
10
4,020
6,700
Cuyahoga
4,393
84
60
135
30
10
6,780
11,300
Darke
7,554
102
70
142
23
25
7,320
12,200
Defiance
2,777
88
70
114
30
18
5,700
9,500
Delaware
5,404
75
52
102
20
15
6,000
10,000
Erie
1,679
68
50
100
16
10
7,200
12,000
Fairfield
14,799
102
68
156
39
15
7,200
12,000
Fayette
3,015
87
64
118
18
15
6,000
10,000
Franklin
17,402
96
62
135
37
14
6,780
11,300
Fulton
4,370
101
62
151
28
7
6,240
10,400
Gallia
516
73
60
101
30
5
7,200
12,000
Geauga
17,101
105
80
142
39
16
7,200
12,000
Greene
8,799
93
66
125
30
12
6,000
10,000
Guernsey
2,223
111
85
145
40
4
7,560
12,600
Hamilton
1,117
80
60
100
39
18
4,860
8,100
Hancock
5,191
68
45
93
20
15
4,680
7,800
Hardin
3,156
90
65
123
25
15
5,400
9,000
Harrison
1,739
123
84
180
47
8
9,600
16,000
Henry
2,208
78
59
100
30
8
4,920
8,200
Highland
1,999
100
75
125
20
8
6,120
10,200
Hocking
5,060
222
120
342
110
10
19,200
32,000
Holmes
7,140
152
100
230
80
15
10,200
17,000
Huron
3,246
63
45
87
18
10
3,720
6,200
Jackson
931
85
60
135
30
3
16,200
27,000
Jefferson
1,368
130
85
200
55
8
10,620
17,700
Knox
9,534
140
100
188
60
15
9,600
16,000
Lake
3,417
80
51
100
16
8
4,800
8,000
Lawrence
457
82
68
118
32
5
7,800
13,000
Licking
18,908
140
93
202
51
15
9,720
16,200
Logan
6,426
119
72
175
22
20
7,800
13,000
Lorain
2,567
60
45
76
13
10
5,940
9,900
Lucas
6,818
82
62
105
32
10
6,000
10,000
Madison
5,002
105
74
142
30
20
6,180
10,300
Mahoning
11,564
120
86
170
30
15
9,600
16,000
Marion
4,221
80
59
100
22
15
5,400
9,000
Medina
11,265
95
70
125
35
15
7,200
12,000
Meigs
829
91
65
140
36
5
9,600
16,000
Mercer
5,033
150
117
182
29
21
10,620
17,700
Miami
8,460
87
61
118
21
18
6,060
10,100
Monroe
599
100
72
143
38
4
7,680
12,800
Montgomery
7,796
80
56
110
23
12
6,000
10,000
Morgan
1,239
76
54
100
30
2
5,880
9,800
Morrow
5,414
85
48
127
30
12
7,200
12,000
Muskingum
4,891
110
71
180
40
10
10,800
18,000
Noble
385
100
70
125
30
2
9,600
16,000
Ottawa
5,354
75
55
100
18
16
5,700
9,500
Paulding
2,967
61
50
80
20
10
4,080
6,800
Perry
3,948
120
80
211
41
10
9,060
15,100
Pickaway
5,979
93
59
138
38
15
6,180
10,300
Pike
927
70
53
100
25
7
6,120
10,200
Portage
18,795
95
70
127
30
15
7,200
12,000
Preble
4,449
80
55
113
23
14
5,940
9,900
Putnam
4,477
78
55
123
25
10
6,000
10,000
Richland
13,190
125
85
180
55
14
9,600
16,000
Ross
3,555
76
51
110
28
10
5,040
8,400
Sandusky
6,746
90
74
112
22
15
6,120
10,200
Scioto
1,651
55
45
70
21
5
5,520
9,200
Seneca
5,544
93
73
118
26
15
5,880
9,800
Shelby
4,902
113
80
159
35
20
7,380
12,300
Stark
23,050
120
82
180
40
15
7,800
13,000
Summit
25,599
82
60
116
30
15
6,000
10,000
Trumbull
8,440
98
73
125
25
15
6,600
11,000
Tuscarawas
10,285
138
78
240
50
13
12,000
20,000
Union
7,603
100
74
138
27
15
6,000
10,000
Van Wert
2,665
100
70
130
20
15
7,260
12,100
Vinton
1,723
260
150
360
100
5
21,600
36,000
Warren
4,353
61
45
91
20
10
2,820
4,700
Washington
1,216
86
64
120
35
3
5,400
9,000
Wayne
16,723
110
82
145
45
15
7,200
12,000
Williams
4,799
101
77
131
28
45
6,600
11,000
Wood
7,105
80
61
105
15
15
4,920
8,200
Wyandot
3,589
86
69
110
28
14
5,700
9,500

Ohio Water Well Records — County-Level Statistics

County-level summary statistics for documented water wells in Ohio, computed from the official ODNR well database: median drilled depth, static water level, tested yield, and modeled drilling cost for each county.

Compiled and maintained by Ohio Well Data (ohiowelldata.com). Free per-address lookups and full methodology: ohiowelldata.com.

Aggregate statistics only — individual well records are not included.

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