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Water Efficiency

Photo: Ospr3yy. License: CC BY-SA 3.0

Water efficiency in buildings requires a set of strategies for reducing water consumption.

Water-saving appliances and fixtures are an inexpensive (often cost-neutral) way to achieve greater efficiency. Rainwater or graywater reuse and even blackwater treatment are ways to push the envelope.

Water Efficiency

Deep Dives

Get up to speed on complex topics. You can also earn CEUs and download PDF Spotlight Reports.


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Quick Takes

Jump straight to the essentials with these short explanations of green building concepts.


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  • Power Flushing With Pressure-Assist Toilets

    Primer

    Many of today's best-performing low-flow toilets enhance their flush with air pressure to force water into the bowl at high speed.

  • Combined Sewer Overflow

    Primer

    Combined sewer overflows (CSOs) occur in municipalities with older wastewater systems that carry both sanitary wastewater and stormwater; eliminating CSOs involves investment in wastewater infrastructure and reducing stormwater flows.

  • Constructed Wetlands for Wastewater

    Primer

    Constructed wetlands, when used to treat wastewater, can keep nitrogen and phosphorous from the water supply and cut costs by controlling the size of drainfields.

  • Graywater Collection and Use

    Primer

    If properly stored and separated from potable water, graywater collected from sinks, showers, and clothes washers can be used to irrigate landscaping.

Product Guidance

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In The News

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Perspective

Thought-provoking opinions from the most trusted minds in sustainability.


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Learning Resources

Syllabus supplements and CEU content, with automatic reporting for AIA and GBCI.


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Just For Fun

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