Lake Managua only in 2009 that a modern wastewater treatment plant (built and operated by the British company Biwater) was opened in Managua, but even it treats only 40% of the city's wastewater. The lake today has no stable outlet, with only occasional floods to Lake Nicaragua through the Tipitapa River. Pollutants are thus concentrated. Despite the pollution, some of the people of Managua still live along the lake's shores and eat the fish. In 2007 the "malecón" area was dredged and the sediment hauled off on barges. A strong odor which permeated the area from the sediment disappeared. A stone rip-rap
Quepos La Managua Airport number of passengers movements into the airport, according to the Directorate General of Civil Aviation of Costa Rica's Statistical Yearbooks. Quepos La Managua Airport Quepos La Managua Airport is an airport located approximately east of Quepos, Costa Rica, serving this city as well as the Manuel Antonio National Park and other tourist attractions in the central part of Puntarenas Province. The airport receives its name after the barrio La Managua, where the airport is located. La Managua airport is one of the most important airports in Costa Rica, the fourth-busiest in the country by passenger traffic and the second-busiest domestic-only