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county
stringlengths
4
15
well_records
int64
777
21.9k
median_depth_ft
int64
30
191
depth_p25_ft
int64
18
105
depth_p75_ft
int64
60
1.04k
median_static_water_level_ft
int64
13
80
median_yield_gpm
int64
7
30
complete_system_low_usd
int64
1.56k
15.6k
complete_system_high_usd
int64
2.6k
26k
Beaverhead
4,930
78
43
146
25
20
7,200
12,000
Big Horn
3,640
67
32
175
25
12
4,920
8,200
Blaine
1,842
77
42
180
25
15
7,980
13,300
Broadwater
3,946
141
80
240
55
25
11,760
19,600
Carbon
6,442
58
36
120
19
24
3,540
5,900
Carter
1,583
160
80
275
65
10
13,200
22,000
Cascade
7,150
110
38
245
35
22
11,400
19,000
Chouteau
2,447
39
23
110
20
10
1,680
2,800
Custer
3,222
180
80
330
60
15
13,740
22,900
Daniels
1,476
55
31
105
37
7
7,440
12,400
Dawson
3,888
90
37
164
42
10
2,820
4,700
Deer Lodge
2,582
60
39
140
23
20
8,400
14,000
Fallon
1,840
180
81
400
70
10
11,400
19,000
Fergus
3,752
126
50
300
32
15
6,600
11,000
Flathead
21,886
191
102
300
55
25
14,700
24,500
Gallatin
19,678
80
55
154
27
30
6,300
10,500
Garfield
2,234
180
105
280
80
10
13,200
22,000
Glacier
1,402
95
38
161
30
13
7,200
12,000
Golden Valley
986
100
45
175
30
10
8,400
14,000
Granite
2,388
80
45
180
30
20
7,320
12,200
Hill
3,289
90
35
160
30
12
3,840
6,400
Jefferson
5,294
180
96
300
50
20
15,000
25,000
Judith Basin
1,583
100
47
250
20
15
6,120
10,200
Lake
8,068
180
97
325
50
25
14,400
24,000
Lewis and Clark
17,127
105
60
194
39
20
8,400
14,000
Liberty
1,072
38
21
140
40
10
5,580
9,300
Lincoln
8,129
145
61
265
50
20
13,200
22,000
Madison
6,603
100
55
205
32
22
9,600
16,000
Mccone
1,880
118
61
194
51
10
7,200
12,000
Meagher
1,263
110
60
191
30
20
9,480
15,800
Mineral
1,683
122
75
185
60
30
8,400
14,000
Missoula
15,559
100
63
170
33
30
8,280
13,800
Musselshell
3,628
177
90
300
60
9
15,000
25,000
Park
6,550
107
55
205
38
25
10,680
17,800
Petroleum
777
160
36
1,042
34
10
15,600
26,000
Phillips
2,422
75
38
208
30
10
3,840
6,400
Pondera
1,391
35
18
75
21
10
4,200
7,000
Powder River
3,921
168
80
300
60
10
15,600
26,000
Powell
2,435
84
50
158
25
20
8,400
14,000
Prairie
1,733
148
65
300
62
10
12,600
21,000
Ravalli
21,892
74
40
150
28
20
6,420
10,700
Richland
4,998
80
40
169
32
11
7,800
13,000
Roosevelt
3,948
60
30
115
31
10
2,280
3,800
Rosebud
4,284
100
41
200
44
10
6,240
10,400
Sanders
4,881
164
71
300
53
25
14,400
24,000
Sheridan
2,394
100
42
165
38
10
6,480
10,800
Silver Bow
4,335
95
45
170
33
20
8,460
14,100
Stillwater
5,818
60
33
126
20
20
3,720
6,200
Sweet Grass
2,314
85
47
160
25
20
7,800
13,000
Teton
3,022
30
20
60
13
15
4,800
8,000
Toole
837
38
20
115
23
10
1,560
2,600
Treasure
924
80
38
170
30
10
2,580
4,300
Valley
3,114
68
40
120
26
10
3,000
5,000
Wheatland
1,081
100
55
180
28
16
8,340
13,900
Wibaux
1,384
130
60
235
70
8
6,000
10,000
Yellowstone
15,354
35
25
78
15
24
1,980
3,300

Montana Water Well Records — County-Level Statistics

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

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

Aggregate statistics only — individual well records are not included.

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