Since December 2016, above-average rains have caused flooding and landslides in 24 of the 25 regions of Peru. Over 99,000 people have suffered losses and over 600,000 people have been affected. 12 regions have declared a state of emergency. Piura and Lambayeque in the northwest, and Ica and Arequipa in the southwest are most affected. Piura, Lambayeque, Lima, Ica and Arequipa are particularly affected by infrastructure damage such as road and bridge collapse, damage to sewage and drainage systems, and health concerns.