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Nitrate Vulnerable Zones (NVZ)
Nitrate Vulnerable Zones (NVZs) were areas within Wales that contain surface water or groundwater that is susceptible to nitrate pollution from agricultural activities. They... -
Flood Alert Areas
Flood Alert Areas are geographical areas where it is possible for flooding to occur from rivers or the sea. A single Flood Alert Area may cover the floodplain within the Flood... -
Flood Warning Areas
This spatial Flood Warning Areas dataset are geographical areas where NRW expect flooding to occur and where NRW provide a Flood Warning Service. Flood Warning Areas generally... -
Flood Map: Flood Zone 2
This dataset has been discontinued. New Flood Zones will be available when the new Flood Map for Planning is published at the end of Summer 2021. Flood Map shows the areas... -
Flood Map: Areas Benefiting from Flood Defences
This dataset has been replaced by the new Areas Benefitting from Flood Defences displayed within the Flood Risk Assessment Wales (FRAW) map (NRW_DS124843). An Archive version of... -
Flood Defences without Standardised Attributes
This dataset shows flood defences that have been built to protect against flooding from rivers and the sea. The defences shown provide different levels of flood protection and... -
Flood Map: Flood Zone 3
This dataset has been discontinued. New Flood Zones will be available when the new Flood Map for Planning is published at the end of Summer 2021. The Flood Map shows the areas... -
Flood Storage Areas
Flood Storage Areas show those areas that act as a balancing reservoir, storage basin or balancing pond. Their purpose is to attenuate an incoming flood peak to a flow level... -
Source Protection Zones (SPZ) Merged
Source Protection Zones [Merged] have been created as public facing boundaries where individual groundwater bodies within Source Protection Zones (SPZ) have been dissolved so... -
Recorded Flood Extents
Recorded Flood Extents shows areas that have been recorded to have flooded in the past from rivers, the sea or surface water. The records come from a number of evidence sources... -
Spatial Flood Defences with Standardised Attributes
This dataset shows flood defences that have been built to protect against flooding from rivers and the sea. The defences shown provide different levels of flood protection and... -
Lakes Inventory
This is the Welsh subset of an inventory of standing waters (freshwater lakes and lochs) derived from Ordnance Survey digital map data at a scale of 1:50 000 . The inventory...