🌐 Danube River Update | Austria 📅 23 March 2026 Current levels: 💧 Duernstein: 298 cm 💧 Grein: 711 cm 💧 Korneuburg: 209 cm 💧 Mauthausen: 429 cm 💧 Wilhering: 255 cm 🔗 View all data: https://danubealert.com/en/Austria #RiverFlow #Austria #HydroData #StreamMonitoring #AquaticScience #DanubeAlert