Table · dataset · 2025
Flood Hazard Area
Listed in San Jose Open Data Portal
This dataset contains information about the flood hazards within the Flood Risk Project area.
Description
These zones are used by FEMA to designate the Special Flood Hazard Area (SFHA) and for insurance rating purposes. These data are the regulatory flood zones designated by FEMA.
The spatial elements representing the flood zones are polygons. The entire area of the jurisdiction(s) mapped by the FIRM should have a corresponding flood zone polygon. There is one polygon for each contiguous flood zone designated.
Read the rest (1 more)
See pages 45- 47 in the FIRM Database Technical Reference document for Flood Zone and Zone Subtype Cross-Walk. Data is published on Mondays on a weekly basis.
Links
Get the data
- Publisher page gisdata-csj.opendata.arcgis.com/datasets/CSJ::flood-hazard-area ↗
documentation · download · from data sanjoseca gov
- ArcGIS GeoService geo.sanjoseca.gov/server/rest/services/OPN/OPN_OpenDataService/MapServer/439 ↗
download · from data sanjoseca gov
- CSV gisdata-csj.opendata.arcgis.com/api/download/v1/items/e99f4b4796d54a37abf2ccac1abca02c/csv?lay… ↗
download · from data sanjoseca gov
- Shapefile gisdata-csj.opendata.arcgis.com/api/download/v1/items/e99f4b4796d54a37abf2ccac1abca02c/shapefi… ↗
download · from data sanjoseca gov
- GeoJSON gisdata-csj.opendata.arcgis.com/api/download/v1/items/e99f4b4796d54a37abf2ccac1abca02c/geojson… ↗
download · from data sanjoseca gov
- KML gisdata-csj.opendata.arcgis.com/api/download/v1/items/e99f4b4796d54a37abf2ccac1abca02c/kml?lay… ↗
download · from data sanjoseca gov
Where it is published
- San Jose Open Data Portal dataset page data.sanjoseca.gov/dataset/flood-hazard-area ↗
landing page · from data sanjoseca gov
Catalogue records · 1
- CKAN API data.sanjoseca.gov/api/3/action/package_show?id=99b87143-d451-48c3-a873-957f75c71… ↗
metadata API · from data sanjoseca gov
Topics
- Stated by source
- Geospatial
- From keywords
- Earth & Environmental Science · Hydrology · Social Science
Provenance · 1 source records, 11 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| San Jose Open Data Portal | 99b87143-d451-48c3-a873-957f75c7177c | 8 h ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · data sanjoseca gov | connector:data_sanjoseca_gov@1.0.0 | |
| concepts[field].anzsrc:group:3707 | mapping · data sanjoseca gov | vocabulary-mapper@1.0.0 | keywords['Hydrology'] |
| concepts[field].local:field:earth-environmental | mapping · data sanjoseca gov | connector:data_sanjoseca_gov@1.0.0 | |
| concepts[field].local:field:social-science | mapping · data sanjoseca gov | connector:data_sanjoseca_gov@1.0.0 | |
| concepts[topic].ckan_group:data_sanjoseca_gov:geospatial | source · data sanjoseca gov | connector:data_sanjoseca_gov@1.0.0 | |
| created_date | source · data sanjoseca gov | connector:data_sanjoseca_gov@1.0.0 | |
| description | source · data sanjoseca gov | connector:data_sanjoseca_gov@1.0.0 | /notes |
| license_text | source · data sanjoseca gov | connector:data_sanjoseca_gov@1.0.0 | |
| publication_date | source · data sanjoseca gov | connector:data_sanjoseca_gov@1.0.0 | |
| title | source · data sanjoseca gov | connector:data_sanjoseca_gov@1.0.0 | /title |
| updated_date | source · data sanjoseca gov | connector:data_sanjoseca_gov@1.0.0 |