The Portland Water Bureau carbon footprint consists of emissions from the following sources:

• Electricity use for pump stations, groundwater pumpinh, lighting, and other facility uses
• Combustion of biodiesel, diesel, and gasoline fuels for transportation, heavy machinery, and power tools
• Natural gas usage for heating
• Employee air travel 

Annual carbon emissions for the last several calendar years are as follows (in metric tons of carbon dioxide equivalent - MTCO2e):

2014: 8,004 MTCO2e
2015: 13,965 MTCO2e
2016: 9,894 MTCO2e
2017: 11,686 MTCO2e
2018: 11,071 MTCO2e
2019: TBD

Carbon Footprint Reports

• 2016-2019 Carbon Footprint Report (forthcoming spring 2020)
• 2014-2015 Carbon Footprint Report
• 2013 Carbon Footprint Report
• 2012 Carbon Footprint Report
• 2011 Carbon Footprint Report
• 2010 Carbon Footprint Report
• 2009 Carbon Footprint Report
• 2008 Carbon Footprint Report
• 2007 Carbon Footprint Report

For more information, visit the bureau’s Climate Change webpage.