Browse data horizons_groundwater_mgmt_area

Horizons Regional Council — Groundwater Management Area

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

Licence: CC-BY 4.0 Source: Manawatū-Whanganui Councils (www.horizons.govt.nz), CC-BY 4.0.

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

Map preview
Showing 10 sample features
CRS
EPSG:4326

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

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Dataset ID
horizons_groundwater_mgmt_area
Data source
Manawatū-Whanganui Councils
Last refreshed
2026-07-01
Refresh cadence
monthly
API endpoint
https://api.eolas.fyi/v1/datasets/horizons_groundwater_mgmt_area/data

Columns (8)

schema glossary · auto-generated
Column Type Description
object_id long Internal feature ID (ArcGIS OBJECTID)
groundwater_management_area_gwma string Groundwater management area gwma
surface_water_manage_area_in_gwma string Surface water manage area in gwma
annual_allocable_vol_for_gwma_m3y string Annual allocable vol for gwma m3y
horizons_govt_nz_link string Horizons govt NZ link
shape_area double Polygon area (source projection units)
shape_length double Geometry length/perimeter (source projection units)
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/horizons_groundwater_mgmt_area/data \
  -H "X-API-Key: your_key_here"
Filter by date range
curl "https://api.eolas.fyi/v1/datasets/horizons_groundwater_mgmt_area/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/horizons_groundwater_mgmt_area/data?format=csv" \
  -H "X-API-Key: your_key_here" -o horizons_groundwater_mgmt_area.csv

Data preview

Hidden in preview: geometry_wkt — fetch via the API or download CSV to get the full data.
Object IdGroundwater Management Area GwmaSurface Water Manage Area In GwmaAnnual Allocable Vol For Gwma M3yHorizons Govt Nz LinkShape AreaShape Length
1WhangaehuUpper Whangaehu (Whau_1), Middle Whangaehu (Whau_2), Lower Whangaehu (Whau_3), Coastal Whangaehu (Whau_4).122000000http://www.horizons.govt.nz/CMSPages/GetFile.aspx?guid=99ea476c-2875-4c17-8ca1-62c4395264d31995450258.9937315423855.76175001165
2ManawatuMiddle Manawatu (Mana_10), Lower Manawatu (Mana_11), Oroua (Mana_12), Coastal Manawatu (Mana_13). Lower Manawatu (Mana_11) Oroua (Mana_12) Coastal Manawatu (Mana_13)166000000http://www.horizons.govt.nz/CMSPages/GetFile.aspx?guid=99ea476c-2875-4c17-8ca1-62c4395264d32688070459.460722507965.48303921707
3TararuaUpper Manawatu (Mana_1), Weber - Tamaki (Mana_2), Upper Tamaki (Mana_3), Upper Kumeti (Mana_4), Tamaki - Hopelands (Mana_5), Hopelands - Tiraumea (Mana_6), Tiraumea (Mana_7), Mangatainoka (Mana_8), Upper Gorge (Mana_9).239000000http://www.horizons.govt.nz/CMSPages/GetFile.aspx?guid=99ea476c-2875-4c17-8ca1-62c4395264d33210905423.410029508824.7450427253
4HorowhenuaLake Horowhenua (Hoki_1), Ohau (Ohau_1), Waitarere (West_7), Lake Papaitonga (West_8), Waikawa (West_9).27000000http://www.horizons.govt.nz/CMSPages/GetFile.aspx?guid=99ea476c-2875-4c17-8ca1-62c4395264d3394523190.85775423142737.7745983591
5WhanganuiLower Whanganui (Whai_7), Northern Coastal (West_1), Kai Iwi (West_2), Mowhanau (West_3), Kaitoke Lakes (West_4).46000000http://www.horizons.govt.nz/CMSPages/GetFile.aspx?guid=99ea476c-2875-4c17-8ca1-62c4395264d3941243635.5790977217807.00935724235

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