Riverine Flood Risk in Arkansas

All Arkansas counties ranked by FEMA National Risk Index riverine flood score

Riverine Flood risk — rivers and streams overflowing their banks after heavy rain or snowmelt — is rated for 75 of 75 Arkansas counties in FEMA's National Risk Index. Pulaski County carries the state's highest riverine flood score at 96.8, with $91M in expected annual riverine flood losses.

1 Arkansas county is rated High or Very High for riverine flood, and expected annual losses from riverine flood total roughly $628M statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Riverine Flood

#CountyRiverine Flood ScoreRatingAnn. Freq.Ann. Loss
1 Pulaski County
96.8
High 4.89 / yr $91M
2 Benton County
90.4
Medium 2.50 / yr $50M
3 Washington County
90.1
Medium 2.71 / yr $42M
4 Garland County
90.1
Medium 2.14 / yr $28M
5 Sebastian County
86.1
Medium 3.21 / yr $25M
6 White County
80.7
Medium 4.43 / yr $18M
7 Craighead County
78.8
Medium 2.46 / yr $15M
8 Jefferson County
78.2
Medium 2.36 / yr $12M
9 Faulkner County
77.0
Medium 2.18 / yr $22M
10 Pope County
75.3
Medium 1.54 / yr $17M
11 Saline County
74.9
Medium 3.11 / yr $17M
12 Cleburne County
73.3
Medium 1.04 / yr $11M
13 Crittenden County
72.4
Low 1.00 / yr $11M
14 Crawford County
70.6
Low 3.00 / yr $13M
15 Lonoke County
69.3
Low 1.96 / yr $15M
16 Sharp County
66.3
Low 2.00 / yr $7M
17 Carroll County
65.1
Low 1.11 / yr $7M
18 Yell County
64.9
Low 3.25 / yr $8M
19 Baxter County
64.4
Low 1.14 / yr $7M
20 Greene County
63.2
Low 1.43 / yr $8M
21 Mississippi County
63.0
Low 1.21 / yr $7M
22 Johnson County
62.0
Low 1.57 / yr $7M
23 Hot Spring County
58.6
Low 1.82 / yr $6M
24 Arkansas County
58.4
Low 1.82 / yr $6M
25 Miller County
57.3
Low 1.29 / yr $6M
26 Logan County
56.9
Low 1.07 / yr $7M
27 Independence County
56.5
Low 2.32 / yr $7M
28 Ashley County
54.0
Low 1.79 / yr $5M
29 Madison County
53.9
Low 1.86 / yr $6M
30 Polk County
53.4
Low 1.82 / yr $5M
31 Ouachita County
53.1
Low 4.07 / yr $5M
32 Lawrence County
52.5
Low 2.82 / yr $5M
33 Howard County
52.1
Low 0.93 / yr $4M
34 Boone County
51.2
Low 1.29 / yr $6M
35 Union County
51.2
Low 1.32 / yr $5M
36 Franklin County
50.9
Low 2.25 / yr $4M
37 Chicot County
49.4
Low 2.43 / yr $4M
38 Montgomery County
48.7
Low 1.68 / yr $4M
39 Sevier County
48.2
Low 0.82 / yr $4M
40 Izard County
48.1
Low 1.11 / yr $4M
41 Van Buren County
47.9
Low 0.96 / yr $4M
42 Stone County
47.4
Low 1.18 / yr $4M
43 Phillips County
46.2
Low 0.61 / yr $4M
44 Fulton County
45.6
Low 1.14 / yr $3M
45 Randolph County
45.5
Low 2.68 / yr $5M
46 Conway County
45.4
Low 1.79 / yr $4M
47 Scott County
45.0
Low 1.75 / yr $5M
48 Little River County
44.1
Low 0.86 / yr $4M
49 Jackson County
43.9
Low 2.39 / yr $4M
50 Hempstead County
43.9
Low 1.29 / yr $4M
51 Prairie County
43.2
Low 2.57 / yr $4M
52 Marion County
43.1
Low 1.07 / yr $3M
53 St. Francis County
41.2
Low 0.64 / yr $3M
54 Clay County
40.0
Low 1.07 / yr $3M
55 Pike County
39.9
Low 1.11 / yr $4M
56 Cross County
39.3
Low 0.50 / yr $4M
57 Perry County
38.5
Low 3.50 / yr $4M
58 Clark County
38.1
Low 3.39 / yr $4M
59 Poinsett County
37.3
Low 1.18 / yr $3M
60 Woodruff County
34.5
Very Low 10.14 / yr $3M
61 Desha County
33.4
Very Low 1.25 / yr $2M
62 Monroe County
28.4
Very Low 3.21 / yr $2M
63 Columbia County
24.6
Very Low 1.04 / yr $2M
64 Bradley County
24.5
Very Low 1.21 / yr $2M
65 Lincoln County
24.4
Very Low 1.00 / yr $2M
66 Nevada County
24.0
Very Low 0.71 / yr $2M
67 Newton County
21.3
Very Low 1.14 / yr $2M
68 Lee County
21.2
Very Low 0.57 / yr $1M
69 Searcy County
21.0
Very Low 1.18 / yr $2M
70 Drew County
19.0
Very Low 1.64 / yr $1M
71 Dallas County
17.7
Very Low 1.11 / yr $1M
72 Lafayette County
16.9
Very Low 0.93 / yr $1M
73 Grant County
16.7
Very Low 1.18 / yr $2M
74 Cleveland County
13.9
Very Low 1.21 / yr $1M
75 Calhoun County
6.9
Very Low 2.07 / yr $1M

75 Arkansas counties with measurable riverine flood risk. See the national riverine flood ranking or all Arkansas counties by overall risk.

Frequently Asked Questions

Which Arkansas county has the highest riverine flood risk?

Pulaski County has the highest FEMA riverine flood risk score in Arkansas at 96.8 (High), with $91M in expected annual losses and about 4.89 events per year.

How many Arkansas counties face significant riverine flood risk?

75 Arkansas counties record measurable riverine flood risk in FEMA's National Risk Index; 1 of them are rated High or Very High.

Other Hazards in Arkansas