There are 987,000 people living in Port-Au-Prince and 2.6 million living in the ‘metropolitan’ area.

The city does not have a sewer sytem.

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Via NPR:

Port-au-Prince is about the size of Chicago. But it doesn’t have a sewer system. It’s one of the largest cities in the world without one.

That’s a big problem, but never more so than during a time of cholera.

Since cholera was introduced into Haiti 18 months ago — most likely by United Nations peacekeeping troops from Nepal, where the disease is endemic — more than a half-million people have gotten sick and at least 7,050 have died.

Public health authorities say cholera will stay in the environment for a long time, because Haiti has the worst sanitation in this hemisphere.

It’s hard for Americans to imagine what this means.

The cumulative sewage of 3 million people flows through open ditches. It mixes with ubiquitous piles of garbage. Each night, an all-but-invisible army of workers called bayakou descend into man-sized holes with buckets to remove human waste from septic pits and latrines, then dump it into the canals that cut through the city.