The Brookside Farm Wetland Ecosystem Treatment (WET) System: A Low-Energy Methodology for Sewage Purification, Biomass Production (Yield), Flood Resilience and Biodiversity Enhancement
When permaculture principles are used in the creation of
water purification and harvesting systems, there can be multiple
environmental and economic benefits. The constructed wetland design presented here is a low-entropy system
in which wastewater is harvested and transformed into lush and
productive wetland, eliminating the requirement for non-renewable energy
in water purification, and also maximising benefits: biodiversity,
flood resilience and yield. In permaculture design, the high
concentrations of nitrogen and phosphorous compounds in sewage are
viewed as valuable nutrients, resources to be harvested. Similarly, rainwater
runoff is not viewed as a problem which can cause flooding, but as a
potential resource to be harvested to provide a yield.
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