Pembangunan, sampah, serta macetnya tanggul aliran air menjadi faktor-faktor penyebab meluapnya Sungai Deli. Kini Pemerintah dan warga berupaya memperbaiki dan melestarikan ikon Kota Medan tersebut.
Yael Stefany Sinaga, or Stef, is a freelance journalist and has been contributing for Mongabay Indonesia since 2021. Currently, she is still studying Social Anthropology at the University of North Sumatra (USU) Medan. The most valuable experience in his life was when he received the Oktavianus Pogau award from the Pantau Foundation for his courage in the world of journalism.