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West Virginia inland flooding risk

55 counties scored 0 rated Very High

Kanawha County has the highest inland flooding risk in West Virginia, scoring 97.9 out of 100 — rated "Relatively High" by FEMA's National Risk Index. Recorded inland flooding events across West Virginia have increased 69% over the past five years compared to the prior five-year period.

# County NRI score Rating NOAA events
2016–2026
1 Kanawha County 97.9 Relatively High 139
2 Cabell County 91.9 Relatively Moderate 61
3 Wood County 89.6 Relatively Moderate 55
4 Logan County 89.4 Relatively Moderate 43
5 Wayne County 89.2 Relatively Moderate 60
6 Putnam County 86.9 Relatively Moderate 61
7 Harrison County 86.7 Relatively Moderate 64
8 Mingo County 86 Relatively Moderate 38
9 Marion County 85.7 Relatively Moderate 72
10 Ohio County 85.3 Relatively Moderate 27
11 Boone County 85 Relatively Moderate 37
12 Monongalia County 85 Relatively Moderate 44
13 McDowell County 84.7 Relatively Moderate 38
14 Greenbrier County 84.6 Relatively Moderate 72
15 Wyoming County 82.7 Relatively Moderate 21
16 Raleigh County 80.9 Relatively Moderate 42
17 Berkeley County 79.8 Relatively Moderate 82
18 Lincoln County 78.7 Relatively Moderate 71
19 Mercer County 78.3 Relatively Moderate 62
20 Randolph County 78.3 Relatively Moderate 46
21 Wetzel County 78.3 Relatively Moderate 24
22 Marshall County 76.7 Relatively Moderate 31
23 Mason County 76.3 Relatively Moderate 37
24 Jackson County 75.8 Relatively Moderate 36
25 Brooke County 75.7 Relatively Moderate 16
26 Mineral County 74.2 Relatively Moderate 25
27 Fayette County 72.9 Relatively Low 33
28 Roane County 69.2 Relatively Low 34
29 Lewis County 69.1 Relatively Low 19
30 Upshur County 68.4 Relatively Low 41
31 Nicholas County 67 Relatively Low 12
32 Hancock County 66.3 Relatively Low 8
33 Hardy County 65.3 Relatively Low 14
34 Jefferson County 64.2 Relatively Low 47
35 Braxton County 63.6 Relatively Low 23
36 Tyler County 63 Relatively Low 39
37 Hampshire County 62.8 Relatively Low 36
38 Webster County 60.5 Relatively Low 26
39 Preston County 59.6 Relatively Low 24
40 Summers County 59.6 Relatively Low 12
41 Pendleton County 58.5 Relatively Low 25
42 Grant County 57.9 Relatively Low 25
43 Morgan County 55.9 Relatively Low 44
44 Pocahontas County 54.2 Relatively Low 29
45 Clay County 53.5 Relatively Low 26
46 Taylor County 53.5 Relatively Low 15
47 Barbour County 51.7 Relatively Low 38
48 Pleasants County 50 Relatively Low 7
49 Monroe County 49.3 Relatively Low 17
50 Calhoun County 45.5 Relatively Low 16
51 Ritchie County 44.4 Relatively Low 30
52 Doddridge County 43.6 Relatively Low 25
53 Tucker County 39.6 Relatively Low 17
54 Gilmer County 39.2 Relatively Low 21
55 Wirt County 35.5 Relatively Low 14

Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.

Inland Flooding risk nationally:

Top 50 US counties

Other hazard risks in West Virginia:

WildfireCoastal FloodingEarthquakeHeat WaveTornadoHurricaneHailStrong WindWinter WeatherIce StormCold WaveLightningDroughtLandslideAvalancheTsunamiVolcanic Activity

Frequently asked questions

What is the highest inland flooding risk county in West Virginia?

Kanawha County, WV has the highest inland flooding risk in West Virginia, with a FEMA National Risk Index score of 97.9 out of 100 (rated "Relatively High").

What causes inland flooding risk in West Virginia?

Inland flooding covers riverine and surface (pluvial) flooding — the most common and costly natural disaster type in the US. High scores appear across river floodplains in the Midwest, South, and Mid-Atlantic, where legacy development in flood-prone areas and aging stormwater infrastructure concentrate risk.