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You are here Sustainability – Greenpages > Initiatives > Water and Wastewater

Water and Wastewater

The water services industry is the fourth-most energy intensive sector in the EU, and is responsible for considerable contributions to climate change via CO2 emissions.

Trinity has reduced its water consumption by 40% since 2010. On this webpage you can find out how to reduce your water use and wastewater generation. Trinity has committed to these objectives as part of our Green-Campus Programme:


What can I do? Data & Results Green Map

Click on the 'Data and Results' button to view water efficiency and the amount of waste water generated on campus between 2009 and 2017. You can also see the targets we are trying to achieve by 2020.

The 'Green Map' button will show you a map where you can find the locations of drinking water fountains, toilets, showers and water saving projects. Click on any icon on the Green Map to get more information.

Sustainability information for Trinity water consumption

  • College has invested in internal water mains upgrades since 2010 and has implemented various technologies and measures within buildings to optimise water consumption and minimise leaks.
  • New Square east residences, recently refurbished, are the first College residences to have a rain water harvesting system to service WC flushing.
  • TBSI has a rain water harvesting system which harvests water for toilet flushing.
  • Trinity installed two green roofs in the Arts Building and TBSI to attenuate water runoff and reduce peak discharges to sewer.
  • Trinity Business School and Oisin House have rainwater harvesting systems designed into them.