ABOUT ENERGY STAR PARTNER RESOURCES

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How is water tracked in Portfolio Manager? Follow

Within Portfolio Manager you can track four water sources:

  • Municipally Supplied Potable Water – Water that is of sufficient quality for human consumption and that is obtained from public water systems that are classified, permitted, and approved for human consumption.
  • Municipally Supplied Reclaimed Water – Wastewater treatment plant effluent purchased from a public water system, which has been diverted for beneficial uses, such as irrigation, that substitute the use of an existing freshwater source.
  • Well Water - Water that is obtained from wells, bore wells, and other groundwater sources, and water from natural freshwater sources that are not municipally supplied (including surface water sources such as lakes or streams)
  • Other Water Sources – Water that is obtained from:
    • rainwater or stormwater harvested onsite
    • sump pump water harvesting
    • gray water
    • air-cooling condensate
    • reject water from water purification systems
    • water reclaimed onsite
    • water derived from other water reuse strategies
    • any other water source not fitting one of the above categories.

Each of these water sources can be tracked in one of three types of meters: Indoor, Outdoor, or Mixed (a meter that includes both Indoor & Outdoor).

  • Municipally Supplied Potable Water – Indoor Use
  • Municipally Supplied Potable Water – Outdoor Use
  • Municipally Supplied Potable Water – Mixed Indoor/Outdoor Use
  • Municipally Supplied Reclaimed Water – Indoor Use
  • Municipally Supplied Reclaimed Water – Outdoor Use
  • Municipally Supplied Reclaimed Water – Mixed Indoor/Outdoor Use
  • Well Water – Indoor Use
  • Well Water – Outdoor Use
  • Well Water – Mixed Indoor/Outdoor Use
  • Other Water Sources – Indoor Use
  • Other Water Sources – Outdoor Use
  • Other Water Sources – Mixed Indoor/Outdoor Use

These are also metrics which add up subtotals of water use for each water source and each meter type:

  • Water Use (All Water Sources) – sum of all water meters
  • Indoor Water Use (All Water Sources) - sum of all Indoor water meters
  • Outdoor Water Use (All Water Sources) - sum of all Outdoor water meters
  • Municipally Supplied Potable Water - Total Use (All Meter Types) - sum of all Municipally Supplied Potable Water meters
  • Municipally Supplied Reclaimed Water -Total Use (All Meter Types) - sum of all Municipally Supplied Reclaimed Water meters
  • Well Water - Total Use (All Meter Types) - sum of all Well Water meters
  • Other Water Sources - Total Use (All Meter Types) - sum of all Other Water meters

There are 2 water intensity metrics:

  • Water Intensity (All Water Source) – all water sources divided by the building sq. ft. (not including parking or irrigated area)
  • Indoor Water Intensity (All Water Sources) - all indoor water meters divided by the building sq. ft. (not including parking or irrigated area)

See this FAQ for information on how to track water use for the Federal Guiding Principles for High Performance Sustainable Buildings.

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