As we renovate our facilities, bathroom fixtures are being replaced with low flow showerheads, faucets, toilets, and urinals.
Energy Star washing machines have been installed in all of the residence halls. These high efficiency washers conserve both energy and water. Find out how much water we saved when we began installing them in 2005.
The Heating Plant has been working in several areas to reduce city water consumption. Over 30,000,000 gallons per year is consumed by campus air conditioning systems. This water is evaporated in cooling towers which are part of these systems. We continue to work on cooling tower controls and cooling tower water treatment to minimize the amount of water consumed.
In addition the new chilled water plants near Watterson Towers and Redbird arena have replaced older chillers that were not as efficient. The net result of this work is to reduce cooling tower water consumption by approximately 12% resulting in savings of over 3,000,000 gallons per year.
Another area of focus by the Heating Plant crews has been finding ways to reduce water consumed by the steam boilers. The boilers use over 5,000,000 gallons of water per year. Work has taken place throughout campus to reduce boiler water consumption. Piping systems for condensate (boiler water returned after condensing in heating systems) have been checked and repaired and new more effective pumps have been installed to maximize the amount of condensed steam that is returned to the Heating Plant for reuse.
Over 90% of the steam that leaves the boilers comes back as water. Not only do these efforts save water, they also save the energy that would be needed to heat cold city water. The condensate returned to the plant is over 160°. Current savings total over 500,000 gallons per year compared to several years ago.