Understanding Special Flood Hazard Areas and Flood Risks
Understanding Special Flood Hazard Areas and Flood Risks
US · Published Sep 1, 2026
Nassau County officials have provided clarity on Special Flood Hazard Areas (SFHAs), which are regions with a 1% annual chance of flooding, commonly referred to as the '100-year flood' zones.
These areas are subject to floodplain management regulations to mitigate risks.

Impact & Risks

Residents living in SFHAs face heightened flood risks, but those outside these zones are not immune. Flooding can occur due to unexpected weather events, poor drainage, or other factors. The financial impact can be significant, as demonstrated by NFIP claims from properties outside SFHAs. Homeowners in all areas should be aware of their flood risk and consider insurance coverage to mitigate potential losses.

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