Riverine Flood Risk in West Virginia

All West Virginia 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 55 of 55 West Virginia counties in FEMA's National Risk Index. Kanawha County carries the state's highest riverine flood score at 97.9, with $133M in expected annual riverine flood losses.

1 West Virginia county is rated High or Very High for riverine flood, and expected annual losses from riverine flood total roughly $859M 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 Kanawha County
97.9
High 4.21 / yr $133M
2 Cabell County
91.9
Medium 2.79 / yr $41M
3 Wood County
89.6
Medium 1.89 / yr $33M
4 Logan County
89.4
Medium 1.82 / yr $27M
5 Wayne County
89.2
Medium 2.29 / yr $26M
6 Putnam County
86.9
Medium 2.29 / yr $30M
7 Harrison County
86.7
Medium 2.79 / yr $25M
8 Mingo County
86.0
Medium 1.75 / yr $15M
9 Marion County
85.7
Medium 2.36 / yr $27M
10 Ohio County
85.3
Medium 1.39 / yr $30M
11 Monongalia County
85.0
Medium 2.07 / yr $31M
12 Boone County
85.0
Medium 1.68 / yr $17M
13 McDowell County
84.7
Medium 1.79 / yr $14M
14 Greenbrier County
84.6
Medium 1.82 / yr $18M
15 Wyoming County
82.7
Medium 1.14 / yr $16M
16 Raleigh County
80.9
Medium 1.68 / yr $16M
17 Berkeley County
79.8
Medium 2.50 / yr $25M
18 Lincoln County
78.7
Medium 2.43 / yr $13M
19 Mercer County
78.3
Medium 2.11 / yr $14M
20 Randolph County
78.3
Medium 2.00 / yr $18M
21 Wetzel County
78.3
Medium 1.36 / yr $15M
22 Marshall County
76.7
Medium 2.29 / yr $16M
23 Mason County
76.3
Medium 2.07 / yr $13M
24 Jackson County
75.8
Medium 2.14 / yr $14M
25 Brooke County
75.7
Medium 1.25 / yr $12M
26 Mineral County
74.2
Medium 1.36 / yr $13M
27 Fayette County
72.9
Low 1.50 / yr $12M
28 Roane County
69.2
Low 2.25 / yr $9M
29 Lewis County
69.1
Low 1.57 / yr $11M
30 Upshur County
68.4
Low 1.79 / yr $10M
31 Nicholas County
67.0
Low 1.21 / yr $8M
32 Hancock County
66.3
Low 0.93 / yr $11M
33 Hardy County
65.3
Low 1.36 / yr $9M
34 Jefferson County
64.2
Low 1.93 / yr $13M
35 Braxton County
63.6
Low 1.75 / yr $8M
36 Tyler County
63.0
Low 2.18 / yr $6M
37 Hampshire County
62.8
Low 1.89 / yr $9M
38 Webster County
60.5
Low 1.54 / yr $5M
39 Summers County
59.6
Low 0.89 / yr $6M
40 Preston County
59.6
Low 2.00 / yr $8M
41 Pendleton County
58.5
Low 1.18 / yr $9M
42 Grant County
57.9
Low 1.25 / yr $6M
43 Morgan County
55.9
Low 1.64 / yr $6M
44 Pocahontas County
54.2
Low 1.36 / yr $6M
45 Taylor County
53.5
Low 1.14 / yr $7M
46 Clay County
53.5
Low 1.54 / yr $4M
47 Barbour County
51.7
Low 1.43 / yr $7M
48 Pleasants County
50.0
Low 0.89 / yr $5M
49 Monroe County
49.3
Low 1.25 / yr $4M
50 Calhoun County
45.5
Low 1.46 / yr $4M
51 Ritchie County
44.4
Low 1.61 / yr $5M
52 Doddridge County
43.6
Low 1.57 / yr $6M
53 Tucker County
39.6
Low 1.18 / yr $4M
54 Gilmer County
39.2
Low 1.64 / yr $5M
55 Wirt County
35.5
Low 0.71 / yr $4M

55 West Virginia counties with measurable riverine flood risk. See the national riverine flood ranking or all West Virginia counties by overall risk.

Frequently Asked Questions

Which West Virginia county has the highest riverine flood risk?

Kanawha County has the highest FEMA riverine flood risk score in West Virginia at 97.9 (High), with $133M in expected annual losses and about 4.21 events per year.

How many West Virginia counties face significant riverine flood risk?

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

Other Hazards in West Virginia