"[We agreed] to go away really and investigate the links between events and possible failures of some of the sewerage pumps, which are necessary to take the sewage away from this area," he said.
Remember that sewerage does not travel uphill, at least not without specialist sewerage pumps, so you need to consider the existing layout when considering expanding into areas of differing elevations.
In the huge shantytowns, many use poorly built latrines that collapse during the rainy season, or they use the beach or the narrow spaces between houses, and the failing sewerage system pumps raw waste into the streets.
Traditionally, the main source of pollution came from untreated sewerage being pumped into the sea.
Some witnesses reported people illegally opened manhole covers to let the stormwater drain into the system, even though sewerage pipes and pumps aren't designed to handle that volume of liquid.
You got people with incidents of people pumping oil and sewerage and everything into the water".
The corps and the city Sewerage and Water Board, which operates the pumping station, try to match their pumping operations so that what goes into the canal can be pumped out into the lake.
The city's sewerage and water board readied the pumps at the city's major drainage canals; flood walls on two of the canals failed in 2005.
The power cables that penetrated cities in the late 19th century transformed their shape (there are no tall buildings without lifts), their transit systems, their nightlife, their sewerage (cities need a lot of pumps).
Following the disaster of 1965, when Hurricane Betsy flooded the city's lower Ninth Ward, the Sewerage and Water Board operating the pumping stations drafted a plan to improve these facilities against future major hurricanes.
