Drought Risk in New Hampshire
All New Hampshire counties ranked by FEMA National Risk Index drought score
Drought risk — extended dry periods that stress water supplies and agriculture — is rated for 5 of 10 New Hampshire counties in FEMA's National Risk Index. Rockingham County carries the state's highest drought score at 77.1, with $1M in expected annual drought losses.
No New Hampshire county reaches the High band for drought, and expected annual losses from drought total roughly $2M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Drought
| # | County | Drought Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Rockingham County | Medium | 5.59 / yr | $1M | |
| 2 | Strafford County | Medium | 4.78 / yr | $509K | |
| 3 | Merrimack County | Low | 2.15 / yr | $329K | |
| 4 | Hillsborough County | Low | 3.95 / yr | $357K | |
| 5 | Belknap County | Low | 1.17 / yr | $47K |
5 New Hampshire counties with measurable drought risk. See the national drought ranking or all New Hampshire counties by overall risk.
Frequently Asked Questions
Which New Hampshire county has the highest drought risk?
Rockingham County has the highest FEMA drought risk score in New Hampshire at 77.1 (Medium), with $1M in expected annual losses and about 5.59 events per year.
How many New Hampshire counties face significant drought risk?
5 New Hampshire counties record measurable drought risk in FEMA's National Risk Index; 0 of them are rated High or Very High.