Riverine Flood Risk in Vermont
All Vermont 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 14 of 14 Vermont counties in FEMA's National Risk Index. Windsor County carries the state's highest riverine flood score at 76.7, with $19M in expected annual riverine flood losses.
No Vermont county reaches the High band for riverine flood, and expected annual losses from riverine flood total roughly $162M 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 | Windsor County | Medium | 1.36 / yr | $19M | |
| 2 | Chittenden County | Medium | 2.14 / yr | $29M | |
| 3 | Windham County | Low | 1.89 / yr | $15M | |
| 4 | Washington County | Low | 2.25 / yr | $18M | |
| 5 | Rutland County | Low | 2.14 / yr | $13M | |
| 6 | Bennington County | Low | 1.61 / yr | $12M | |
| 7 | Orleans County | Low | 1.75 / yr | $9M | |
| 8 | Caledonia County | Low | 1.75 / yr | $8M | |
| 9 | Franklin County | Low | 1.71 / yr | $10M | |
| 10 | Orange County | Low | 1.04 / yr | $9M | |
| 11 | Addison County | Low | 2.21 / yr | $8M | |
| 12 | Lamoille County | Low | 1.61 / yr | $8M | |
| 13 | Essex County | Very Low | 0.75 / yr | $2M | |
| 14 | Grand Isle County | Very Low | 0.43 / yr | $3M |
14 Vermont counties with measurable riverine flood risk. See the national riverine flood ranking or all Vermont counties by overall risk.
Frequently Asked Questions
Which Vermont county has the highest riverine flood risk?
Windsor County has the highest FEMA riverine flood risk score in Vermont at 76.7 (Medium), with $19M in expected annual losses and about 1.36 events per year.
How many Vermont counties face significant riverine flood risk?
14 Vermont counties record measurable riverine flood risk in FEMA's National Risk Index; 0 of them are rated High or Very High.