 Unlike other municipalities in the Greater Mexico City area, water supply is based on a system of nineteen water suppliers, with only three owned by the municipality.The main tourist attractions are the archaeological zone of Tepexpan, where the fossilized bones of the Tepexpan man were found, and the former monastery of San Agustin de Acolman.The Tepexpan Museum is located in the community of the same name, famous due to the discovery of the "Tepexpan Man", a human skeleton which is more than 12,000 years old.