FEMA National Flood Hazard Layer (Massachusetts)

MAPC Open Data2025-08-12 更新2026-05-25 收录

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https://share-open-data-metroboston.hub.arcgis.com/maps/a15686949397497aa850c8760980b838

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FEMA National Flood Hazard Layer

创建时间：

2025-08-08

FEMA National Flood Hazard Layer for Massachusetts (Feature Service)

The National Flood Hazard Layer (NFHL) dataset represents the current effective flood risk data for those parts of the country where maps have been modernized by the Federal Emergency Management Agenc

MassGIS Open Data2025-07-29 更新20

FEMA National Flood Hazard Layer

This layer is a copy of relevant FEMA layers from the National Flood Hazard Layer (NFHL) database for Forsyth and surrounding counties. If you need GIS data from the NFHL database that is not included

Forsyth County Open Data2026-02-27 更新00

FEMA National Flood Hazard Layer Viewer

The National Flood Hazard Layer (NFHL) - https://www.fema.gov/flood-maps/national-flood-hazard-layer

New York State GIS Data2023-03-30 更新00

FEMA National Flood Hazard Layer for Massachusetts (Feature Service)

MassDOT Open Data2025-07-29 更新00

FEMA National Flood Hazard Layer Viewer

The National Flood Hazard Layer (NFHL) is

NYS GIS Clearinghouse00