The Guarani Aquifer
The Guarani Aquifer is one of the largest underground freshwater reservoirs in the world, extending across four countries in South America.
In Brazil, it runs through the following states:
• Mato Grosso • Mato Grosso do Sul • Goiás • Minas Gerais • São Paulo • Paraná • Santa Catarina • Rio Grande do Sul
Brazil contains approximately 70% of the total area of the Guarani Aquifer, making it the country with the largest extension and volume of stored water.
The Guarani Aquifer covers the following countries:
• Brazil • Argentina • Paraguay • Uruguay
Guarani Aquifer



