countyscore

Water Quality · Nebraska

Best Water Quality Counties in Nebraska 2026

Ranked by EPA drinking water health violations.

Top 10 — Water Quality in Nebraska

Score reflects water quality only — not overall county quality.

1Banner County, NE
86
2Blaine County, NE
86
3Boone County, NE
86
4Box Butte County, NE
86
5Boyd County, NE
86
6Brown County, NE
86
7Burt County, NE
86
8Chase County, NE
86
9Cheyenne County, NE
86
10Dakota County, NE
86

All Nebraska Counties — Water Quality Rankings

90 counties ranked by water quality score. Overall Score shown for context.

#CountyWater Quality ScoreOverall Score
1Banner County, NE
86
56
2Blaine County, NE
86
66.4
3Boone County, NE
86
71.2
4Box Butte County, NE
86
43.2
5Boyd County, NE
86
67.6
6Brown County, NE
86
60.7
7Burt County, NE
86
64.6
8Chase County, NE
86
58.4
9Cheyenne County, NE
86
41.4
10Dakota County, NE
86
35.8
11Douglas County, NE
86
29.6
12Dundy County, NE
86
73.1
13Franklin County, NE
86
68.2
14Furnas County, NE
86
55.9
15Gage County, NE
86
51.4
16Garden County, NE
86
68.5
17Garfield County, NE
86
69.3
18Gosper County, NE
86
67.9
19Grant County, NE
86
69.6
20Harlan County, NE
86
69
21Hayes County, NE
86
65.8
22Holt County, NE
86
67.4
23Hooker County, NE
86
66.7
24Howard County, NE
86
65.4
25Kearney County, NE
86
61.5
26Keya Paha County, NE
86
65.1
27Kimball County, NE
86
52.3
28Lincoln County, NE
86
39.1
29Logan County, NE
86
67.9
30Madison County, NE
86
52.8
31Merrick County, NE
86
64.9
32Nemaha County, NE
86
57.7
33Nuckolls County, NE
86
75.9
34Pawnee County, NE
86
62.5
35Polk County, NE
86
68.3
36Richardson County, NE
86
60
37Saunders County, NE
86
58.7
38Scotts Bluff County, NE
86
37
39Sheridan County, NE
86
57.3
40Sioux County, NE
86
62.9
41Thomas County, NE
86
78.9
42Thurston County, NE
86
59.3
43Valley County, NE
86
62.5
44Wayne County, NE
86
60.5
45Webster County, NE
86
65
46Wheeler County, NE
86
74.8
47Lancaster County, NE
71.5
32.3
48Buffalo County, NE
67.1
38.6
49Hall County, NE
61.4
35.5
50Sarpy County, NE
58
44.9
51Dodge County, NE
56.3
42.2
52Dawson County, NE
55
47.5
53Knox County, NE
48.2
65.3
54Fillmore County, NE
45.2
69.4
55Colfax County, NE
44.9
53.9
56Stanton County, NE
43.9
67.9
57Phelps County, NE
42.1
64.7
58Saline County, NE
39.5
46.4
59Morrill County, NE
38.8
58.7
60Cass County, NE
36.6
53.6
61Butler County, NE
36
70.4
62Custer County, NE
35.4
58.3
63Thayer County, NE
32.3
61.7
64Perkins County, NE
32.2
60.5
65Washington County, NE
31.8
55.3
66Hitchcock County, NE
31.1
60.4
67Seward County, NE
30.4
60.6
68Frontier County, NE
30.1
65.1
69Johnson County, NE
29.7
62.9
70Deuel County, NE
26
61.2
71York County, NE
25.2
55
72Keith County, NE
22.5
52.4
73Sherman County, NE
20
61.2
74Adams County, NE
18
39.8
75Cedar County, NE
18
67.3
76Cherry County, NE
17.8
55.4
77Antelope County, NE
17.1
67.5
78Platte County, NE
17.1
44
79Otoe County, NE
14.9
49.3
80Nance County, NE
14.1
63.3
81Red Willow County, NE
10.5
60.1
82Rock County, NE
8.9
71.8
83Jefferson County, NE
8.6
54.4
84Greeley County, NE
6.8
64
85Dawes County, NE
6.5
38.8
86Pierce County, NE
5.4
65.4
87Cuming County, NE
5.3
64.1
88Clay County, NE
4.2
66.1
89Hamilton County, NE
4.2
62.4
90Dixon County, NE
1.7
63.6

Explore More

Best overall counties in NebraskaFull Water Quality data on WaterByCounty