Spring Valley, New York: natural disaster risk
How exposed Spring Valley is to floods, storms and other hazards, from FEMA and NOAA records for Rockland County.
Spring Valley is a city of 33,192 people in Rockland County, New York. FEMA's National Risk Index rates Rockland County relatively moderate for natural hazards overall, about average for the US. The costliest hazards there are inland flooding, cold wave and earthquake, with about $60.5 million in expected losses a year across the county. The weather service has logged 318 storm reports in the county since 1965, including 3 tornadoes and 114 floods. NOAA hurricane records show 4 hurricanes and 19 tropical storms passing within 65 miles of the county's center, 1 of them major. About 1.3% of homes in the county carry federal flood insurance.
Risk figures are for Rockland County. FEMA National Risk Index December 2025; NOAA Storm Events; US Census Bureau ACS 2020 to 2024. Updated November 6, 2026.
Top risks in Spring Valley
Full Rockland County report ›- Check the FEMA flood map for your address, and ask the seller or landlord about past flooding.
- Price a flood policy now. Most new federal policies take 30 days to start.
- Insulate pipes in outside walls, crawl spaces and garages.
- Know how to shut off the main water valve.
- Ask whether an older house is bolted to its foundation.
- Consider separate earthquake insurance where risk is high.
All hazards
| Hazard | Rating | A year |
|---|---|---|
| Inland flooding | $38M | |
| Cold wave | $4M | |
| Earthquake | $4M | |
| Hurricane | $3M | |
| Strong wind | $3M | |
| Tornado | $3M | |
| Heat wave | $3M | |
| Lightning | $1M | |
| Coastal flooding | $597K | |
| Winter weather | $537K | |
| Ice storm | $286K | |
| Hail | $41K |
Homes in Spring Valley
Older homes and mobile homes usually take more damage in storms, floods and earthquakes. Ask about roof age, flood history and retrofits before you buy or rent.
Strongest tornadoes in Rockland County
More cities in Rockland County
Other cities in New York
All ›Common questions about Spring Valley
Is Spring Valley safe from natural disasters?
Spring Valley is in Rockland County, which FEMA's National Risk Index rates relatively moderate overall, about average for the US. The biggest hazards are inland flooding, cold wave, earthquake. No place is free of risk, so check the flood map and insurance for any home you consider.
What natural disasters happen in Spring Valley?
By expected yearly losses in Rockland County, the top hazards are inland flooding (Moderate), cold wave (Moderate), earthquake (Low). Rockland County has been part of 26 federal disaster or emergency declarations for natural events.
Does Spring Valley get tornadoes?
Yes. NOAA records list 3 tornadoes in Rockland County since 1950; the strongest was an EF1 tornado on October 2, 2018 near Willow Grove. FEMA rates tornado risk in the county moderate.
Do I need flood insurance in Spring Valley?
Standard home insurance does not cover floods. In Rockland County, about 1.3% of homes have federal flood insurance, and FEMA rates inland flooding risk moderate. Check the FEMA flood map for your address and get a quote even outside a high-risk zone.