The Emisor Oriente Tunnel, also known as the Túnel Emisor Oriente, Eastern Discharge Tunnel, Eastern Wastewater Tunnel, and East Issuing Tunnel, is a
wastewater
Wastewater (or waste water) is water generated after the use of freshwater, raw water, drinking water or saline water in a variety of deliberate applications or processes. Another definition of wastewater is "Used water from any combination of do ...
treatment tunnel in
Mexico City
Mexico City is the capital city, capital and List of cities in Mexico, largest city of Mexico, as well as the List of North American cities by population, most populous city in North America. It is one of the most important cultural and finan ...
,
Mexico
Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
. At , it is the
eighth longest tunnel in the world.
It was constructed between 2008 and 2019
using a tunnel boring machine. Serving a population of 20 million, it runs from Mexico City to the
Atotonilco Wastewater Treatment Plant in
Hidalgo state. It runs at a maximum depth of 200 meters (656 Feet) below ground level and has a discharge capacity of 150 m
3/s. This tunnel will help prevent flooding and serves as an alternate exit for the Emisor Central, another
drainage tunnel.
In order to prevent collapse, the tunnel is constructed using a lining with segmental rings made of concrete and steel.
The estimated cost for the tunnel was 15 billion
pesos. After completion, the tunnel was realized to have gone over budget and cost 30 billion pesos.
References
{{Reflist
External links
Imageof boring machine
Buildings and structures in Mexico City
Tunnels in Mexico