Açude Muquém is a reservoir located near the city of Iguatu in the state of Ceará, in Brazil's semi-arid northeastern interior. Situated within the broader context of Ceará's network of public water storage reservoirs — known locally as açudes — Muquém serves as both a vital water resource for the region and a popular freshwater fishing destination for local anglers. The reservoir sits in a landscape typical of the Caatinga biome, characterized by dry scrubland, rocky terrain, and a climate defined by distinct wet and dry seasons that directly influence water levels and fishing conditions throughout the year.