countyscore

Best Water Quality Counties in Florida

EPA drinking water health violations and safety grades Compare rankings across all 67 counties.

Average Water Quality Score
56/100
Top County
Baker County
Counties Ranked
66

Top 10

#1
Baker County
FL
86/100
#2
Calhoun County
FL
86/100
#3
Escambia County
FL
86/100
#4
Gilchrist County
FL
86/100
#5
Hamilton County
FL
86/100
#6
Indian River County
FL
86/100
#7
Jefferson County
FL
86/100
#8
Lafayette County
FL
86/100
#9
Santa Rosa County
FL
86/100
#10
Sarasota County
FL
86/100

All Florida Counties Ranked

#CountyWater Quality ScoreOverall Score
1Baker County, FL
86
45.7
2Calhoun County, FL
86
62.2
3Escambia County, FL
86
48.9
4Gilchrist County, FL
86
61.1
5Hamilton County, FL
86
43.3
6Indian River County, FL
86
45
7Jefferson County, FL
86
57
8Lafayette County, FL
86
62.9
9Santa Rosa County, FL
86
48
10Sarasota County, FL
86
44
11Union County, FL
86
57.2
12Duval County, FL
71.8
30.3
13Okaloosa County, FL
71.3
52.3
14Clay County, FL
71.1
44
15Hernando County, FL
70.8
38.1
16Broward County, FL
70.6
41.8
17Manatee County, FL
70.6
45.3
18Miami-Dade County, FL
70.4
30.4
19Walton County, FL
70.4
52.6
20Leon County, FL
70.1
34.5
21St. Johns County, FL
70.1
50.9
22Alachua County, FL
69.3
32.1
23Orange County, FL
68.8
32.1
24Hillsborough County, FL
68.4
35.8
25Pinellas County, FL
68.2
36.3
26Pasco County, FL
67.3
42.4
27Brevard County, FL
65.6
41.3
28Palm Beach County, FL
64.5
37.5
29Lee County, FL
64.2
36.4
30Nassau County, FL
62.6
48.6
31Volusia County, FL
61.2
34.2
32Citrus County, FL
60.8
43.3
33Hardee County, FL
59.9
34.6
34Bradford County, FL
59.6
60.2
35Suwannee County, FL
58.6
56.2
36Gadsden County, FL
58.1
51.7
37Martin County, FL
57.8
41.6
38Marion County, FL
56.6
35.4
39Collier County, FL
56.2
45.8
40St. Lucie County, FL
56.1
36.6
41Seminole County, FL
54.3
41.8
42Okeechobee County, FL
52.7
31.6
43Polk County, FL
50.8
38
44Osceola County, FL
50.1
31.8
45Bay County, FL
49.7
36.9
46Charlotte County, FL
48.8
44.5
47Dixie County, FL
47.1
51
48Jackson County, FL
46.6
53.9
49Flagler County, FL
46.2
45.5
50Lake County, FL
45.2
46
51Levy County, FL
35.8
47.6
52Glades County, FL
35.5
54.1
53Sumter County, FL
34.8
53.5
54Holmes County, FL
31.1
51.4
55Wakulla County, FL
30.1
55.5
56Madison County, FL
28.1
50.4
57Franklin County, FL
27.4
55
58Highlands County, FL
25.8
48.5
59Gulf County, FL
24.4
54.7
60DeSoto County, FL
22
31.5
61Liberty County, FL
17.3
53.4
62Washington County, FL
14.5
53.5
63Hendry County, FL
13.3
34.9
64Taylor County, FL
11.8
52.9
65Putnam County, FL
8.7
37.5
66Columbia County, FL
6
44.2

Data Source

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