Managua was not until the mid-1990s that Managua began to see a resurgence. Managua's population is composed predominantly of mestizos and whites who are mainly of Spanish descent, with a minority being of French, Jewish Nicaraguan, German Nicaraguan, Italian, Russian and Turkish descent. There are two possible origins for the name "Managua". It may have originated from the term "Mana-ahuac", which in the indigenous Nahuatl language translates to "adjacent to the water" or site "surrounded by water". Or, it may have come from the Mangue language, where the word "managua" was said to mean "place of the big man" or "chief".
Managua 1927. A new sewer system and the redirecting of waste water to a new waste water treatment plant at Las Mercedes funded by the German government to decontaminate the lake is expected to be the largest in Central America and was inaugurated in 2009. Managua's city area extends about , essentially south from the south shore of Lake Managua. The lakeshore is at an altitude of above sea level, and the city climbs as it gets towards the Sierras de Managua further south where it is over above sea level. Geologically, the city lies on fault lines, thus seismologists predict