By TechRadars staffThe US$3.7 trillion sewer system is a $1.6 trillion industry, but only around 20 per cent of the wastewater that flows through it gets to the surface, according to the US Department of Housing and Urban Development.
The US has about 12 million people and more than 6 million sewer overflows.
There are two main types of sewer pumping systems: a “bump and play” system where the pumps are controlled by humans and an automated system that is designed to be automated.
The bump and game system involves using a robot to lift the waste, which is then pumped down to a storage tank or an outlet.
It is estimated that about half of all wastewater in the US has been injected into the system, with some 50 per cent coming out.
A recent study found that about 25 per cent had been reused.
While the cost of these pumps has risen, it is not the only way that waste is disposed of.
The other type of pumping system is called a “sewing pump” and is designed for industrial use.
The machines are controlled remotely using technology that can identify where a leak exists and shut it down automatically.
While most sewage has been pumped out of sewers, there are some small volumes that are being flushed through the system in an attempt to get rid of carbon dioxide and other pollutants.
This is why the US is using the word “flush” in its waste management laws.