“Passive water efficiency measures are techniques and strategies designed to reduce water consumption in a passive, automated, or low-maintenance manner. Unlike active water efficiency measures that require conscious effort or manual intervention to conserve water, passive measures work automatically to optimize water usage without much ongoing attention. These measures are usually integrated into the design of buildings, landscapes, or water systems to minimize waste and promote sustainable water management. Some common examples of passive water efficiency measures include:
Rainwater harvesting: Collecting rainwater from rooftops or other surfaces and storing it for later use in irrigation, flushing toilets, or other non-potable water applications.
Greywater recycling: Reusing lightly used water from sinks, showers, and washing machines for irrigation or toilet flushing, instead of disposing of it as wastewater.
Low-flow fixtures: Installing low-flow faucets, showerheads, and toilets that reduce water flow without sacrificing functionality.
Drip irrigation: Using a network of tubes or pipes with small holes to deliver water directly to the root zones of plants, minimizing evaporation and water wastage.
Xeriscaping: Landscaping with native plants and drought-tolerant species that require less water to thrive in a specific climate.
Soil improvement: Enhancing soil quality through composting, mulching, or adding organic matter to improve water retention and reduce the need for irrigation.
Permeable surfaces: Incorporating permeable materials like permeable pavers or porous concrete in hardscapes to allow rainwater to infiltrate the ground instead of becoming runoff.
Water-efficient appliances: Using washing machines, dishwashers, and other appliances that have high water-efficiency ratings to minimize water consumption.
Evapotranspiration controllers: Installing sensors that measure weather conditions and soil moisture levels to adjust irrigation schedules accordingly, reducing unnecessary watering.
Green roofs: Creating vegetated roof surfaces that absorb rainwater and release it slowly, reducing stormwater runoff and the need for additional irrigation.
These passive water efficiency measures help conserve water resources, lower utility bills, and contribute to more sustainable water management practices. By incorporating these strategies into our buildings, landscapes, and everyday practices, we can make a significant impact on water conservation efforts.”