countyscore

Best Water Quality Counties in Arkansas

EPA drinking water health violations and safety grades Compare rankings across all 75 counties.

Average Water Quality Score
48/100
Top County
Bradley County
Counties Ranked
75

Top 10

#1
Bradley County
AR
86/100
#2
Calhoun County
AR
86/100
#3
Clay County
AR
86/100
#4
Cleburne County
AR
86/100
#5
Cleveland County
AR
86/100
#6
Conway County
AR
86/100
#7
Craighead County
AR
86/100
#8
Dallas County
AR
86/100
#9
Garland County
AR
86/100
#10
Grant County
AR
86/100

All Arkansas Counties Ranked

#CountyWater Quality ScoreOverall Score
1Bradley County, AR
86
53.9
2Calhoun County, AR
86
55.4
3Clay County, AR
86
55.7
4Cleburne County, AR
86
48.2
5Cleveland County, AR
86
53.3
6Conway County, AR
86
49.5
7Craighead County, AR
86
38.8
8Dallas County, AR
86
57.6
9Garland County, AR
86
38.6
10Grant County, AR
86
56.2
11Greene County, AR
86
41.3
12Hot Spring County, AR
86
51
13Independence County, AR
86
45
14Izard County, AR
86
56.4
15Jefferson County, AR
86
33.8
16Johnson County, AR
86
52.7
17Lincoln County, AR
86
52.8
18Madison County, AR
86
57.2
19Perry County, AR
86
56.3
20Pope County, AR
86
44.9
21Pulaski County, AR
86
29.1
22Randolph County, AR
86
51
23Saline County, AR
86
44
24Scott County, AR
86
49.2
25Sevier County, AR
86
50.4
26Sharp County, AR
86
65.6
27St. Francis County, AR
86
36.9
28White County, AR
86
41.7
29Woodruff County, AR
86
57.6
30Poinsett County, AR
64.1
43.7
31Washington County, AR
55.4
37.2
32Clark County, AR
51.8
43.8
33Lawrence County, AR
46.1
51.8
34Faulkner County, AR
44.3
40
35Benton County, AR
40.3
38.7
36Crittenden County, AR
40.2
32.3
37Lonoke County, AR
39.8
40.2
38Crawford County, AR
38.8
43.7
39Cross County, AR
38
41.4
40Drew County, AR
37
47.2
41Stone County, AR
33.4
57.5
42Boone County, AR
32.8
53.2
43Ouachita County, AR
31.2
47
44Baxter County, AR
30.8
44.5
45Miller County, AR
30.7
34.6
46Jackson County, AR
28.6
42.3
47Sebastian County, AR
26.5
35.1
48Van Buren County, AR
25.2
56.7
49Franklin County, AR
25.1
52.4
50Little River County, AR
23.8
52.3
51Mississippi County, AR
23.5
38.3
52Ashley County, AR
22.9
46.7
53Howard County, AR
22.6
53.6
54Logan County, AR
21.7
48.5
55Union County, AR
17.3
40
56Nevada County, AR
16.3
52.1
57Polk County, AR
14.8
51.5
58Marion County, AR
14.4
48.3
59Arkansas County, AR
14.1
37.4
60Carroll County, AR
12.9
45.1
61Phillips County, AR
12.5
37.8
62Columbia County, AR
11.3
49
63Searcy County, AR
10.5
64.2
64Monroe County, AR
9.9
49.1
65Hempstead County, AR
9.3
43.1
66Prairie County, AR
8.6
51.1
67Chicot County, AR
8.4
50.6
68Desha County, AR
8.1
47.4
69Fulton County, AR
7.3
51.4
70Pike County, AR
7.3
62.4
71Lafayette County, AR
5.9
46.5
72Yell County, AR
5
50.9
73Newton County, AR
4.7
65.3
74Lee County, AR
2.5
42.1
75Montgomery County, AR
1
63.3

Data Source

Water Quality data from WaterByCounty. See full details at WaterByCounty. Data updated February 2026.