Água Preta (Black Water) is a Brazilian municipality (city) in the state of Pernambuco. It covers 533.33 km (205.92 sq mi), and has a population of 37,082 with a population density of 62.05 inhabitants per square kilometer.
Água Preta was founded as a district of the municipality of Rio Formoso in 10 de novembro 1809. It became an independent municipality on July 3, 1895. The Praieira revolt (1848-1849), which originated Recife, spread to Água Preta in its first year. Captain Pedro Ivo Veloso da Silveira (? - 1852) took refuge in the forests of Agua Preta after the defeat of his faction in Recife and organized a guerrilla resistance for two years before his surrender.