Rio Grande do Norte's water reservoirs at 51.4% capacity after rainfall
Water reservoirs in Rio Grande do Norte (RN), Brazil, are currently at 51.43% of their total storage capacity, holding approximately 2.65 billion cubic meters of water as of Thursday, August 24. Despite this volume being considered comfortable, the state has experienced a decline in water levels for the second consecutive year, down from 75.33% a year ago and 53.07% in July 2025. The Engenheiro Armando Ribeiro Gonçalves dam, RN's largest reservoir and responsible for supplying 20 municipalities, is at 41.95% capacity, storing 995.6 million cubic meters. Other significant reservoirs include Oiticica dam in Jucurutu at 74.32% capacity, Santa Cruz do Apodi at 72.63%, and Umari in Upanema at 63.79%. Several smaller reservoirs are nearly full, with Rodeador at 96.73%, Encanto at 96.92%, and Campo Grande at 96.37%. The Lagoa de Extremoz, crucial for the Greater Natal region, remains at maximum volume. However, some reservoirs remain critically dry, with Itans in Caicó and Passagem das Traíras in São José do Seridó completely empty. Other reservoirs with very low levels include Dourado at 1.45%, Jesus Maria José at 1.76%, and Mundo Novo at 1.94%.
While recent rainfall has provided some relief, the year-over-year decline in reservoir levels in Rio Grande do Norte highlights a persistent vulnerability to water scarcity. The disparity between nearly full smaller reservoirs and critically low levels in others underscores the challenges of equitable water distribution and the impact of localized rainfall patterns. Future water management strategies will likely need to focus on enhancing inter-basin transfers, promoting water conservation technologies across all sectors, and potentially investing in advanced desalination or water recycling infrastructure to mitigate the effects of prolonged dry periods and ensure long-term water security for the region's growing population and economy.
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