Their lands are irrigated by the Cauca River and the San Francisco River, which in turn serve as a dividing line or boundary with neighboring municipalities. The San Francisco River runs for 18 kilometers and its hydrographic basin covers an area of ​​87 square kilometers. According to the 1997 environmental report, its general state of conservation is fair. The Quebrada de la Nona formerly had a great flow, today it is the source that supplies the municipality's aqueduct. The Quebrada el Guayabo that originates in Alto de la Escalera on its way supplies water to farms with livestock, it has several species of fish such as sabaleta, bocachicos, catfish and captains. La Santa Teresa, where there is a source of salt water, as well as other streams such as Tazas, Arenosa, Carolina, Chancos, Mica, Sabaletas, Alegrías and María.