This section summarizes the net-zero savings.
Rainwater Harvesting -- Cost savings from rainwater harvesting are calculated as a function of the amount of water harvested and the water price. Sewer costs savings are not applied to harvested rainwater, as this water can be used indoors and may need wastewater treatment.
Native Vegetation Landscaping -- Cost savings from Native Vegetation Landscaping are calculated as a function of the amount of irrigation water reduction, and the water price. Sewer cost savings are not applied to native vegetation landscaping savings, as outdoor water use is not subject to wastewater treatment.
Greywater Reclamation -- Greywater reclamation cost savings are calculated as a function of the amount of greywater reclaimed for irrigation and the water and sewer prices.
Potable Water Sources -- Cost savings from potable water sources are calculated as a function of the annual yield of the potable water sources and the water price. Sewer costs savings are not applied to potable water sources, as this water can be used indoors and may need wastewater treatment.