Riverine Flood Risk in Virginia

All 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 133 of 133 Virginia counties in FEMA's National Risk Index. Fairfax County carries the state's highest riverine flood score at 97.0, with $155M in expected annual riverine flood losses.

1 Virginia county is rated High or Very High for riverine flood, and expected annual losses from riverine flood total roughly $1.15B 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 Fairfax County
97.0
High 5.82 / yr $155M
2 Chesterfield County
89.5
Medium 1.43 / yr $53M
3 Prince William County
88.0
Medium 3.43 / yr $45M
4 Henrico County
85.4
Medium 0.96 / yr $31M
5 Albemarle County
85.1
Medium 3.39 / yr $27M
6 Rockingham County
84.6
Medium 2.36 / yr $26M
7 Roanoke City
84.1
Medium 1.64 / yr $19M
8 Loudoun County
83.9
Medium 3.04 / yr $37M
9 Chesapeake City
82.9
Medium 1.32 / yr $29M
10 Richmond City
82.6
Medium 0.86 / yr $22M
11 Alexandria City
81.8
Medium 1.43 / yr $26M
12 Danville City
81.5
Medium 1.79 / yr $14M
13 Augusta County
80.2
Medium 2.57 / yr $18M
14 Pittsylvania County
77.4
Medium 2.29 / yr $12M
15 Henry County
76.6
Medium 1.75 / yr $11M
16 Stafford County
75.5
Medium 1.82 / yr $24M
17 Norfolk City
75.3
Medium 1.82 / yr $17M
18 Tazewell County
75.1
Medium 2.61 / yr $12M
19 Shenandoah County
73.9
Medium 2.79 / yr $14M
20 Arlington County
73.8
Medium 1.25 / yr $23M
21 Lee County
72.8
Low 0.57 / yr $9M
22 Newport News City
71.4
Low 1.00 / yr $14M
23 Buchanan County
70.2
Low 1.89 / yr $9M
24 Roanoke County
69.2
Low 1.93 / yr $15M
25 Bedford County
68.3
Low 1.57 / yr $13M
26 Wise County
66.3
Low 0.89 / yr $9M
27 Fauquier County
65.8
Low 2.68 / yr $16M
28 Pulaski County
65.8
Low 1.50 / yr $9M
29 Spotsylvania County
65.3
Low 1.46 / yr $16M
30 Lynchburg City
65.3
Low 1.21 / yr $10M
31 Scott County
65.0
Low 0.82 / yr $7M
32 Montgomery County
63.6
Low 2.21 / yr $11M
33 Washington County
63.5
Low 1.00 / yr $8M
34 Hampton City
62.6
Low 0.86 / yr $10M
35 Franklin County
62.2
Low 2.36 / yr $8M
36 Culpeper County
62.0
Low 3.00 / yr $10M
37 Smyth County
61.9
Low 1.36 / yr $7M
38 Hanover County
61.5
Low 0.93 / yr $15M
39 James City County
60.8
Low 0.57 / yr $12M
40 Frederick County
60.0
Low 2.54 / yr $13M
41 Nelson County
58.2
Low 2.25 / yr $7M
42 York County
57.9
Low 0.75 / yr $14M
43 Mecklenburg County
56.6
Low 0.82 / yr $6M
44 Page County
56.6
Low 1.57 / yr $7M
45 Alleghany County
56.3
Low 1.07 / yr $7M
46 Rockbridge County
55.8
Low 1.96 / yr $7M
47 Warren County
55.7
Low 2.21 / yr $10M
48 Halifax County
54.4
Low 4.29 / yr $5M
49 Suffolk City
54.0
Low 0.79 / yr $9M
50 Portsmouth City
53.3
Low 1.14 / yr $7M
51 Accomack County
50.6
Low 0.50 / yr $5M
52 Wythe County
50.3
Low 1.57 / yr $5M
53 Campbell County
49.7
Low 1.82 / yr $6M
54 Russell County
48.2
Low 0.86 / yr $5M
55 Salem City
44.8
Low 0.86 / yr $7M
56 Harrisonburg City
44.2
Low 0.86 / yr $6M
57 Carroll County
42.7
Low 1.89 / yr $4M
58 Botetourt County
42.4
Low 1.61 / yr $7M
59 Patrick County
42.3
Low 1.64 / yr $5M
60 Giles County
42.2
Low 1.71 / yr $4M
61 Amherst County
41.6
Low 1.07 / yr $4M
62 Louisa County
38.5
Low 0.54 / yr $4M
63 Dickenson County
37.6
Low 1.50 / yr $3M
64 Isle of Wight County
36.9
Low 0.79 / yr $5M
65 Orange County
35.6
Low 1.93 / yr $5M
66 Petersburg City
34.0
Very Low 0.46 / yr $3M
67 Charlottesville City
33.3
Very Low 0.64 / yr $5M
68 Winchester City
31.9
Very Low 0.43 / yr $3M
69 Manassas City
31.7
Very Low 0.57 / yr $4M
70 Waynesboro City
31.1
Very Low 0.61 / yr $5M
71 Staunton City
30.4
Very Low 0.64 / yr $4M
72 Hopewell City
30.0
Very Low 0.25 / yr $2M
73 Southampton County
29.8
Very Low 0.75 / yr $3M
74 Westmoreland County
29.7
Very Low 0.61 / yr $3M
75 Powhatan County
29.7
Very Low 0.50 / yr $4M
76 Bland County
29.5
Very Low 0.75 / yr $3M
77 Brunswick County
28.8
Very Low 0.39 / yr $3M
78 Goochland County
28.7
Very Low 0.25 / yr $4M
79 Grayson County
28.4
Very Low 1.25 / yr $2M
80 Virginia Beach City
27.9
Very Low 1.32 / yr $5M
81 Caroline County
26.8
Very Low 0.57 / yr $3M
82 Craig County
26.2
Very Low 0.61 / yr $2M
83 Fluvanna County
26.1
Very Low 0.25 / yr $3M
84 Gloucester County
25.9
Very Low 0.32 / yr $3M
85 Prince Edward County
25.3
Very Low 0.36 / yr $2M
86 Buckingham County
24.8
Very Low 1.46 / yr $2M
87 Greene County
24.8
Very Low 2.18 / yr $3M
88 Covington City
23.6
Very Low 0.29 / yr $3M
89 Martinsville City
23.1
Very Low 0.68 / yr $2M
90 Bristol City
23.1
Very Low 0.39 / yr $2M
91 New Kent County
22.5
Very Low 0.57 / yr $3M
92 Dinwiddie County
22.1
Very Low 0.50 / yr $3M
93 Fredericksburg City
20.6
Very Low 0.71 / yr $4M
94 Rappahannock County
20.5
Very Low 1.68 / yr $2M
95 Charlotte County
19.8
Very Low 1.86 / yr $1M
96 Northumberland County
19.7
Very Low 0.39 / yr $2M
97 Colonial Heights City
19.6
Very Low 0.39 / yr $3M
98 Madison County
19.5
Very Low 2.61 / yr $3M
99 King George County
19.3
Very Low 0.61 / yr $3M
100 Prince George County
17.9
Very Low 0.61 / yr $3M
101 Sussex County
17.3
Very Low 0.57 / yr $2M
102 Floyd County
17.3
Very Low 0.82 / yr $2M
103 Lunenburg County
17.1
Very Low 0.39 / yr $1M
104 Bath County
16.7
Very Low 1.07 / yr $2M
105 Clarke County
16.6
Very Low 1.32 / yr $3M
106 Cumberland County
16.5
Very Low 0.32 / yr $1M
107 King and Queen County
16.5
Very Low 0.46 / yr $1M
108 Buena Vista City
16.4
Very Low 0.39 / yr $2M
109 Greensville County
16.2
Very Low 0.32 / yr $1M
110 Manassas Park City
15.1
Very Low 0.11 / yr $2M
111 Appomattox County
14.7
Very Low 1.07 / yr $2M
112 King William County
14.4
Very Low 0.54 / yr $3M
113 Lancaster County
13.7
Very Low 0.39 / yr $1M
114 Fairfax City
13.5
Very Low 0.71 / yr $3M
115 Emporia City
13.5
Very Low 0.36 / yr $1M
116 Galax City
13.2
Very Low 0.82 / yr $1M
117 Lexington City
13.1
Very Low 0.54 / yr $1M
118 Northampton County
12.8
Very Low 0.36 / yr $1M
119 Nottoway County
12.8
Very Low 0.43 / yr $1M
120 Franklin City
11.8
Very Low 0.32 / yr $1M
121 Highland County
11.7
Very Low 0.61 / yr $1M
122 Mathews County
11.6
Very Low 0.46 / yr $1M
123 Amelia County
11.4
Very Low 0.29 / yr $1M
124 Radford City
11.4
Very Low 0.39 / yr $2M
125 Middlesex County
11.3
Very Low 0.32 / yr $1M
126 Essex County
10.4
Very Low 0.32 / yr $1M
127 Charles City County
9.3
Very Low 0.43 / yr $935K
128 Norton City
7.3
Very Low 0.43 / yr $706K
129 Richmond County
7.2
Very Low 0.86 / yr $783K
130 Poquoson City
7.1
Very Low 0.18 / yr $2M
131 Williamsburg City
6.6
Very Low 0.14 / yr $1M
132 Surry County
6.0
Very Low 0.64 / yr $797K
133 Falls Church City
5.4
Very Low 0.36 / yr $1M

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

Frequently Asked Questions

Which Virginia county has the highest riverine flood risk?

Fairfax County has the highest FEMA riverine flood risk score in Virginia at 97.0 (High), with $155M in expected annual losses and about 5.82 events per year.

How many Virginia counties face significant riverine flood risk?

133 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 Virginia