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in the Green Procurement Compilation

Learn & Plan Topics

  • Water Efficiency

    Buildings are significant users of the Earth’s freshwater supply. The goal of a responsible building operator should be to encourage a sma...

  • Space Reconfiguration and Renovation Projects

    As needs change over time, tenants often need to convert space or phase the conversion of individual space or rooms to meet these changing needs....

  • Building Systems Upgrades

    This page details Sustainable Strategies to consider as your space undergoes a building system upgrade to improve energy, water use, and occupant co...

Green Products

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Gallons per flush (gpf)

Gallons per flush (gpf) references the amount of water used per flush in flush fixtures, such as toilets and urinals.

Whole Building Systems

  • Water - CIEB

    Are there the following water-conserving fixtures: high-efficiency toilets that use less than 1.6 GPF? Ultra low flush urinals that use less than 1....

  • Water - Plumbing Fixtures

    High efficiency plumbing fixtures (toilets, urinals, faucets, and showers) can lead to significant water savings. FEMP BMP #6 gives some guidance on...

  • Water - Green Globes Continual Improvement of Existing Buildings (CIEB)

    Green Globes CIEB encourages cognitive implementation and metering of water heating equipment for energy efficiency measures. With regards to water ...

Materials

  • High-Efficiency Urinal (HEU)

    High-Efficiency urinals are available in varying levels of water use, up to 0.125 gpf. Also included are waterless urinals which require no wat...

  • Low-Flow Toilets

    Low-flow toilets are based upon the Energy Policy Act of 1992 (EPAct 1992) and use 1.6 or less gallons of water per flush (gpf).  Relative to...

  • Conventional Toilets

    Conventional toilets are those that pre-date Energy Policy Act of  1992 (EPAct 1992) and use 3.5 or more gallons of water per flush.

  • Pressure-Assisted Toilets

    Pressure-assisted toilets use the pressure from the main water line to more efficiently empty the bowl and use less water.

  • Dual-flush Toilets

    Dual-flush toilets have two levels of flushing - a full for solid waste and a reduced flush for liquid waste. Typically full flushes range f...

  • Conventional Urinal

    Conventional urinals are those that pre-date Energy Policy Act of  1992 (EPAct 1992) and use 1.5 or more gallons of water per flush.

  • Low-Flow Urinal

    Low-flow urinals are based upon the Energy Policy Act of 1992 (EPAct 1992) and use 1.0 or less gallons of water per flush (gpf). Relative to ear...

  • High-Efficiency Toilets

    High-Efficiency toilets are those that use 1.28 or less gallons of water per flush gpf. Also included are composting toilets which require litt...