For growing small communities, wastewater treatment can be a big hurdle. Traditional options for centralized treatment facilities or septic systems for each home may not be ideal. Centralized treatment solutions do not scale down cost-effectively, and sewer networks can be prohibitively expensive to interconnect with existing neighboring communities. Conversely, treatment options done on a per home basis, such as septic systems, can be detrimental to property values and are at odds with some regional intensification mandates.

For these new communities, a traditional wastewater treatment facility would typically be designed to meet the full build-out right from day one. This has economic implications regarding capital funding as well as operating costs. When only 20% of homes have been purchased a higher portion of this money must be designated to paying for the full treatment system that will later be servicing the unsold 80% of homes. Furthermore, treatment plants are not energy efficient when operating well below their design capacity. This results in high operating costs on a per volume of treated water basis. And what happens if the remaining homes aren't sold or ever built?

One emerging solution to this problem is Decentralized Wastewater Treatment Facilities. These facilities, when designed with modular, pre-fabricated building blocks – can be scaled down cost-effectively, without compromising on treatment effectiveness. Additionally, these wastewater treatment systems can be phased in-line with the development activities.

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