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
| # | County | Riverine Flood Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Fairfax County | High | 5.82 / yr | $155M | |
| 2 | Chesterfield County | Medium | 1.43 / yr | $53M | |
| 3 | Prince William County | Medium | 3.43 / yr | $45M | |
| 4 | Henrico County | Medium | 0.96 / yr | $31M | |
| 5 | Albemarle County | Medium | 3.39 / yr | $27M | |
| 6 | Rockingham County | Medium | 2.36 / yr | $26M | |
| 7 | Roanoke City | Medium | 1.64 / yr | $19M | |
| 8 | Loudoun County | Medium | 3.04 / yr | $37M | |
| 9 | Chesapeake City | Medium | 1.32 / yr | $29M | |
| 10 | Richmond City | Medium | 0.86 / yr | $22M | |
| 11 | Alexandria City | Medium | 1.43 / yr | $26M | |
| 12 | Danville City | Medium | 1.79 / yr | $14M | |
| 13 | Augusta County | Medium | 2.57 / yr | $18M | |
| 14 | Pittsylvania County | Medium | 2.29 / yr | $12M | |
| 15 | Henry County | Medium | 1.75 / yr | $11M | |
| 16 | Stafford County | Medium | 1.82 / yr | $24M | |
| 17 | Norfolk City | Medium | 1.82 / yr | $17M | |
| 18 | Tazewell County | Medium | 2.61 / yr | $12M | |
| 19 | Shenandoah County | Medium | 2.79 / yr | $14M | |
| 20 | Arlington County | Medium | 1.25 / yr | $23M | |
| 21 | Lee County | Low | 0.57 / yr | $9M | |
| 22 | Newport News City | Low | 1.00 / yr | $14M | |
| 23 | Buchanan County | Low | 1.89 / yr | $9M | |
| 24 | Roanoke County | Low | 1.93 / yr | $15M | |
| 25 | Bedford County | Low | 1.57 / yr | $13M | |
| 26 | Wise County | Low | 0.89 / yr | $9M | |
| 27 | Fauquier County | Low | 2.68 / yr | $16M | |
| 28 | Pulaski County | Low | 1.50 / yr | $9M | |
| 29 | Spotsylvania County | Low | 1.46 / yr | $16M | |
| 30 | Lynchburg City | Low | 1.21 / yr | $10M | |
| 31 | Scott County | Low | 0.82 / yr | $7M | |
| 32 | Montgomery County | Low | 2.21 / yr | $11M | |
| 33 | Washington County | Low | 1.00 / yr | $8M | |
| 34 | Hampton City | Low | 0.86 / yr | $10M | |
| 35 | Franklin County | Low | 2.36 / yr | $8M | |
| 36 | Culpeper County | Low | 3.00 / yr | $10M | |
| 37 | Smyth County | Low | 1.36 / yr | $7M | |
| 38 | Hanover County | Low | 0.93 / yr | $15M | |
| 39 | James City County | Low | 0.57 / yr | $12M | |
| 40 | Frederick County | Low | 2.54 / yr | $13M | |
| 41 | Nelson County | Low | 2.25 / yr | $7M | |
| 42 | York County | Low | 0.75 / yr | $14M | |
| 43 | Mecklenburg County | Low | 0.82 / yr | $6M | |
| 44 | Page County | Low | 1.57 / yr | $7M | |
| 45 | Alleghany County | Low | 1.07 / yr | $7M | |
| 46 | Rockbridge County | Low | 1.96 / yr | $7M | |
| 47 | Warren County | Low | 2.21 / yr | $10M | |
| 48 | Halifax County | Low | 4.29 / yr | $5M | |
| 49 | Suffolk City | Low | 0.79 / yr | $9M | |
| 50 | Portsmouth City | Low | 1.14 / yr | $7M | |
| 51 | Accomack County | Low | 0.50 / yr | $5M | |
| 52 | Wythe County | Low | 1.57 / yr | $5M | |
| 53 | Campbell County | Low | 1.82 / yr | $6M | |
| 54 | Russell County | Low | 0.86 / yr | $5M | |
| 55 | Salem City | Low | 0.86 / yr | $7M | |
| 56 | Harrisonburg City | Low | 0.86 / yr | $6M | |
| 57 | Carroll County | Low | 1.89 / yr | $4M | |
| 58 | Botetourt County | Low | 1.61 / yr | $7M | |
| 59 | Patrick County | Low | 1.64 / yr | $5M | |
| 60 | Giles County | Low | 1.71 / yr | $4M | |
| 61 | Amherst County | Low | 1.07 / yr | $4M | |
| 62 | Louisa County | Low | 0.54 / yr | $4M | |
| 63 | Dickenson County | Low | 1.50 / yr | $3M | |
| 64 | Isle of Wight County | Low | 0.79 / yr | $5M | |
| 65 | Orange County | Low | 1.93 / yr | $5M | |
| 66 | Petersburg City | Very Low | 0.46 / yr | $3M | |
| 67 | Charlottesville City | Very Low | 0.64 / yr | $5M | |
| 68 | Winchester City | Very Low | 0.43 / yr | $3M | |
| 69 | Manassas City | Very Low | 0.57 / yr | $4M | |
| 70 | Waynesboro City | Very Low | 0.61 / yr | $5M | |
| 71 | Staunton City | Very Low | 0.64 / yr | $4M | |
| 72 | Hopewell City | Very Low | 0.25 / yr | $2M | |
| 73 | Southampton County | Very Low | 0.75 / yr | $3M | |
| 74 | Westmoreland County | Very Low | 0.61 / yr | $3M | |
| 75 | Powhatan County | Very Low | 0.50 / yr | $4M | |
| 76 | Bland County | Very Low | 0.75 / yr | $3M | |
| 77 | Brunswick County | Very Low | 0.39 / yr | $3M | |
| 78 | Goochland County | Very Low | 0.25 / yr | $4M | |
| 79 | Grayson County | Very Low | 1.25 / yr | $2M | |
| 80 | Virginia Beach City | Very Low | 1.32 / yr | $5M | |
| 81 | Caroline County | Very Low | 0.57 / yr | $3M | |
| 82 | Craig County | Very Low | 0.61 / yr | $2M | |
| 83 | Fluvanna County | Very Low | 0.25 / yr | $3M | |
| 84 | Gloucester County | Very Low | 0.32 / yr | $3M | |
| 85 | Prince Edward County | Very Low | 0.36 / yr | $2M | |
| 86 | Buckingham County | Very Low | 1.46 / yr | $2M | |
| 87 | Greene County | Very Low | 2.18 / yr | $3M | |
| 88 | Covington City | Very Low | 0.29 / yr | $3M | |
| 89 | Martinsville City | Very Low | 0.68 / yr | $2M | |
| 90 | Bristol City | Very Low | 0.39 / yr | $2M | |
| 91 | New Kent County | Very Low | 0.57 / yr | $3M | |
| 92 | Dinwiddie County | Very Low | 0.50 / yr | $3M | |
| 93 | Fredericksburg City | Very Low | 0.71 / yr | $4M | |
| 94 | Rappahannock County | Very Low | 1.68 / yr | $2M | |
| 95 | Charlotte County | Very Low | 1.86 / yr | $1M | |
| 96 | Northumberland County | Very Low | 0.39 / yr | $2M | |
| 97 | Colonial Heights City | Very Low | 0.39 / yr | $3M | |
| 98 | Madison County | Very Low | 2.61 / yr | $3M | |
| 99 | King George County | Very Low | 0.61 / yr | $3M | |
| 100 | Prince George County | Very Low | 0.61 / yr | $3M | |
| 101 | Sussex County | Very Low | 0.57 / yr | $2M | |
| 102 | Floyd County | Very Low | 0.82 / yr | $2M | |
| 103 | Lunenburg County | Very Low | 0.39 / yr | $1M | |
| 104 | Bath County | Very Low | 1.07 / yr | $2M | |
| 105 | Clarke County | Very Low | 1.32 / yr | $3M | |
| 106 | Cumberland County | Very Low | 0.32 / yr | $1M | |
| 107 | King and Queen County | Very Low | 0.46 / yr | $1M | |
| 108 | Buena Vista City | Very Low | 0.39 / yr | $2M | |
| 109 | Greensville County | Very Low | 0.32 / yr | $1M | |
| 110 | Manassas Park City | Very Low | 0.11 / yr | $2M | |
| 111 | Appomattox County | Very Low | 1.07 / yr | $2M | |
| 112 | King William County | Very Low | 0.54 / yr | $3M | |
| 113 | Lancaster County | Very Low | 0.39 / yr | $1M | |
| 114 | Fairfax City | Very Low | 0.71 / yr | $3M | |
| 115 | Emporia City | Very Low | 0.36 / yr | $1M | |
| 116 | Galax City | Very Low | 0.82 / yr | $1M | |
| 117 | Lexington City | Very Low | 0.54 / yr | $1M | |
| 118 | Northampton County | Very Low | 0.36 / yr | $1M | |
| 119 | Nottoway County | Very Low | 0.43 / yr | $1M | |
| 120 | Franklin City | Very Low | 0.32 / yr | $1M | |
| 121 | Highland County | Very Low | 0.61 / yr | $1M | |
| 122 | Mathews County | Very Low | 0.46 / yr | $1M | |
| 123 | Amelia County | Very Low | 0.29 / yr | $1M | |
| 124 | Radford City | Very Low | 0.39 / yr | $2M | |
| 125 | Middlesex County | Very Low | 0.32 / yr | $1M | |
| 126 | Essex County | Very Low | 0.32 / yr | $1M | |
| 127 | Charles City County | Very Low | 0.43 / yr | $935K | |
| 128 | Norton City | Very Low | 0.43 / yr | $706K | |
| 129 | Richmond County | Very Low | 0.86 / yr | $783K | |
| 130 | Poquoson City | Very Low | 0.18 / yr | $2M | |
| 131 | Williamsburg City | Very Low | 0.14 / yr | $1M | |
| 132 | Surry County | Very Low | 0.64 / yr | $797K | |
| 133 | Falls Church City | 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.