Color by
Risk Score (0 – 10)
Lower
Higher
Tier 5 — Extreme (VE / Floodway)
Tier 4 — High (AE, upper A)
Tier 3 — Elevated (A, AH, AO)
Floodway corridor (blue outline)
Base Flood Elevation (ft)
0.9 ft — danger
14.3 ft
<2 ft — near sea level (highest risk)
2 – 5 ft — low elevation
5 – 10 ft — moderate elevation
>10 ft — high flood surface
No BFE data (47% of zones)
Opacity encodes zone type — VE zones most opaque.