Browse data ccc_flood_extent_200yr

Christchurch 200-year flood extent

Modelled inundation extent for a 200-year ARI rainfall event in Christchurch.

Licence: CC-BY 4.0 Source: Christchurch City Council (www.ccc.govt.nz), CC-BY 4.0.

Data as of 2026-07-01  · monthly  · 10,576 rows

Map preview
Showing 200 sample features
CRS
EPSG:4326

Centroids only — full geometry available via the API or CSV download.

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Dataset ID
ccc_flood_extent_200yr
Data source
ECan / Canterbury
Last refreshed
2026-07-01
Refresh cadence
monthly
API endpoint
https://api.eolas.fyi/v1/datasets/ccc_flood_extent_200yr/data

Columns (14)

schema glossary · auto-generated
Column Type Description
flood_extent200_year_id long Flood extent200 year ID
catchment string Catchment
hydraulic_model_software string Hydraulic model software
model_base_year double Model base year
rainfall_event string Rainfall event
sea_level_rise string Sea level rise
development_growth_to_year string Development growth to year
climate_change_effects_to_year string Climate change effects to year
model_report string Model report
create_date string Create date
last_edit_date string Last edit date
shape_st_area double Polygon area (ArcGIS Shape.STArea, source projection units)
shape_st_length double Geometry length/perimeter (ArcGIS Shape.STLength)
geometry_wkt string Geometry as WKT (WGS84) — MULTIPOLYGON/POINT/LINESTRING

How to query this dataset

Fetch all data (JSON)
curl https://api.eolas.fyi/v1/datasets/ccc_flood_extent_200yr/data \
  -H "X-API-Key: your_key_here"
Filter by date range
curl "https://api.eolas.fyi/v1/datasets/ccc_flood_extent_200yr/data?start=2020-01-01&end=2024-12-31" \
  -H "X-API-Key: your_key_here"
Download as CSV
curl "https://api.eolas.fyi/v1/datasets/ccc_flood_extent_200yr/data?format=csv" \
  -H "X-API-Key: your_key_here" -o ccc_flood_extent_200yr.csv

Data preview

Hidden in preview: geometry_wkt — fetch via the API or download CSV to get the full data.
Flood Extent200 Year IdCatchmentHydraulic Model SoftwareModel Base YearRainfall EventSea Level RiseDevelopment Growth To YearClimate Change Effects To YearModel ReportCreate DateLast Edit DateShape St AreaShape St Length
14195HalswellMIKE Powered by DHI2024.0200 YearN/AFD212416pcthttps://ccc.govt.nz/assets/Documents/Consents-and-Licences/property-information-and-lims/Historical-reports/BECA_Halswell-Hydraulic-Model-Status-Report.pdf2026-07-232026-07-27320.8401507484.0321762631761
14219HalswellMIKE Powered by DHI2024.0200 YearN/AFD212416pcthttps://ccc.govt.nz/assets/Documents/Consents-and-Licences/property-information-and-lims/Historical-reports/BECA_Halswell-Hydraulic-Model-Status-Report.pdf2026-07-232026-07-27321.31992414131.98870013879085
14224HalswellMIKE Powered by DHI2024.0200 YearN/AFD212416pcthttps://ccc.govt.nz/assets/Documents/Consents-and-Licences/property-information-and-lims/Historical-reports/BECA_Halswell-Hydraulic-Model-Status-Report.pdf2026-07-232026-07-27361.99965222199.93652878952867
14228HalswellMIKE Powered by DHI2024.0200 YearN/AFD212416pcthttps://ccc.govt.nz/assets/Documents/Consents-and-Licences/property-information-and-lims/Historical-reports/BECA_Halswell-Hydraulic-Model-Status-Report.pdf2026-07-232026-07-271131.27901774327.8147956412485
14233HalswellMIKE Powered by DHI2024.0200 YearN/AFD212416pcthttps://ccc.govt.nz/assets/Documents/Consents-and-Licences/property-information-and-lims/Historical-reports/BECA_Halswell-Hydraulic-Model-Status-Report.pdf2026-07-232026-07-271866.63947094263.9017478900199

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