High Water Mark - National Water Marks

This dataset is a digital representation of the HWM pre 2019. The latest dataset is High Water Mark - National Water Marks - Ungeneralised – 2024, see link:https://data-osi.opendata.arcgis.com/datasets/osi::high-water-mark-national-water-marks-ungeneralised-2024/about

Resource: GeoJSON

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Field	Value
Data last updated	22 Lúnasa 2025
Metadata last updated	22 Lúnasa 2025
Created	22 Lúnasa 2025
Formáid	GeoJSON
Ceadúna	Creative Commons Attribution 4.0
Access url	https://data-osi.opendata.arcgis.com/api/download/v1/items/b45ee43280324f309cf7c0bd4fa650eb/geojson?layers=1
Download url	https://data-osi.opendata.arcgis.com/api/download/v1/items/b45ee43280324f309cf7c0bd4fa650eb/geojson?layers=1
Has views	True
Id	0a164d54-f7eb-44e4-8e79-305c42ec12ae
Mimetype	application/vnd.geo+json
Package id	2e046fc3-a6c4-4dee-bd6e-0ac8492d5633
Position	4
State	active
Superset Dataset
Cur síos
High Value Dataset (HVD) Resource	Níl
Applicable Legislation
Formáidí freagartha API
Cineál API
Url Rochtana API