The greywater piping system at BIF uses potable water, but in FY19 F&S started tracking the water consumption that goes through the greywater pipes.
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BIF Greywater Pipe System (In Progress)
The Business Instructional Facility (BIF) was designed for future use of greywater, which is raw (untreated) water. Although the building is fed from the potable water supply, there is separate piping for the urinals and water closets in the building.
BIF is unique in that it was constructed with a separate raw water system that conveys non-potable water to be used for purposes such as flushing toilets. While the system is in place inside the building, it was never connected to an outside source of non-potable water. Use of non-potable water for purposes such as toilet flushing, landscape irrigation, cooling, etc. is recognized as a sustainable practice (e.g., Asano et al, 2007; EPA, 2012). Data to quantify the impact this could have on water use at UIUC, however, is largely unavailable. Metering the raw water system at BIF would provide data about the temporal total and non-potable water demand at a typical campus class/office building. These data would be valuable to consider whether such systems should be considered in future campus construction and renovation.
Primary Contact:Morgan Johnston
- Keith Erickson
- Mike Marquissee
- Robbie Bauer
- John Berens
- Stephanie Cash
Proposed October 15, 2016Proposed by Water SWATeamApproved July 18, 2017Approved by Helen Coleman, Interim Executive Director of F&S