The early 1800's concept of collecting raw sewage from each household in a community and transporting it for great distances beneath city streets is flawed. So too is the concept of piping your sewage out into the back yard where it can be buried beneath the ground to rot and leach into the community water table.

Central collection systems have many problems. They are capital-intensive. Sewer lines buried beneath city streets inevitably leak, and in earthquake or flood zones pipes are destroyed completely, allowing raw sewage to spill out, contaminating an entire community.

Raw sewage spillage is a regular event occurring thousands of times annually in Canada the US and around the world. In the US alone, 860 billion gallons of sewage (3.3 trillion liters) of sewage are spilled annually. Repairing central collection sewer systems requires that streets be continually dug up and re-patched.

Wastewater treatment services can be provided to customers far more quickly and economically than central collection systems – typically within a few days rather than the months or years needed to extend central collection sewer lines.