Browse data gwrc_groundwater_zones

Greater Wellington Regional Council — Groundwater Zones

Geospatial polygon layer from Wellington Region Councils. Each feature carries the attributes listed below; geometry is provided as WKT in WGS84.

Licence: CC-BY 4.0 Source: Greater Wellington Regional Council (www.gw.govt.nz), CC-BY 4.0.

Data as of 2026-06-14  · monthly  · 98 rows

Map preview
Showing 98 sample features
CRS
EPSG:4326

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

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Dataset ID
gwrc_groundwater_zones
Data source
Wellington Region Councils
Last refreshed
2026-06-14
Refresh cadence
monthly
API endpoint
https://api.eolas.fyi/v1/datasets/gwrc_groundwater_zones/data

Columns (13)

schema glossary · auto-generated
Column Type Description
object_id long Internal feature ID (ArcGIS OBJECTID)
zone string Zone
name string Name
category string Category
depth string Depth
description string Description
area_ha double Area ha
policies_and_rules string Policies and rules
symbology string Symbology
shape_area double Polygon area (source projection units)
shape_length double Geometry length/perimeter (source projection units)
allocation_amount_groundwater_id double Allocation amount groundwater ID
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/gwrc_groundwater_zones/data \
  -H "X-API-Key: your_key_here"
Filter by date range
curl "https://api.eolas.fyi/v1/datasets/gwrc_groundwater_zones/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/gwrc_groundwater_zones/data?format=csv" \
  -H "X-API-Key: your_key_here" -o gwrc_groundwater_zones.csv

Data preview

Hidden in preview: geometry_wkt — fetch via the API or download CSV to get the full data.
Object IdZoneNameCategoryDepthDescriptionArea HaPolicies And RulesSymbologyShape AreaShape LengthAllocation Amount Groundwater Id
2Middle Wairarapa groundwater management zoneMangatarereCategory B 0-20 mCategory B (0-20 m)7524.33007812Policy R.P2; Rules R.R1; R.R2; R.R3Middle Wairarapa groundwater management zone, Category B (0-20 m)59060549.5937564007.5296376860068.0
3Middle Wairarapa groundwater management zoneWaiohineCategory A All depthsCategory A (0-20 m)3913.38989257Policy R.P2; Rules R.R1; R.R2; R.R3Middle Wairarapa groundwater management zone, Category A (0-20 m)20578054.60058593833446.25928859982445.0
4Middle Wairarapa groundwater management zoneFernhill-TiffenCategory C All depthsCategory C (0-20 m)3789.76000976Policy R.P2; Rules R.R1; R.R2; R.R3Middle Wairarapa groundwater management zone, Category C (0-20 m)38017280.6865234434873.301370210074.0
5Middle Wairarapa groundwater management zoneParkvaleCategory B 0-20 mCategory B (0-20 m)3728.80004882Policy R.P2; Rules R.R1; R.R2; R.R3Middle Wairarapa groundwater management zone, Category B (0-20 m)37340034.8271484429075.2141556411336.0
6Middle Wairarapa groundwater management zoneTaratahiCategory B 0-20 mCategory B (0-20 m)2930.87011718Policy R.P2; Rules R.R1; R.R2; R.R3Middle Wairarapa groundwater management zone, Category B (0-20 m)29307359.78222656223943.7529449947985.0

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