Flood risk · Derryaghy

Flood risk for Derryaghy

Northern Ireland’s flood maps are not open data.

Flood maps for Northern Ireland are published by the Department for Infrastructure (DfI Rivers), but not as open data, so this site cannot show a figure for Derryaghy. Check a specific address on Flood Maps NI.

Environment Agency National Flood Risk Assessment (NaFRA2, January 2025): the level shown is the highest risk that applies to at least 5% of the 1 km square centred on Derryaghy; bars show each level’s share of that square. Nearest named watercourse from OS Open Rivers. Contains Environment Agency and Ordnance Survey data, Open Government Licence.