Legend (ArcGIS_Online/Flood_Inforation)

Historic Flood Map (7) Surface Water Riskless (9) Flood Defences (0) Area benefiting defences (3) Flood Storage Areas (6) Main Rivers (1) Floodzone 2 (2) Floodzone 3 (5) Ordinary Watercourses (4) Ordinary Watercourses 2 (8) River_Thames (10)