The following are excellent resources for more information about energy efficient equipment and operations at water and wastewater treatment facilities.

• U.S. Environmental Protection Agency, 2008, Ensuring a Sustainable Future: An Energy Management Guidebook for Wastewater and Water Utilities. Available at http://www.epa.gov/waterinfrastructure/pdfs/guidebook_si_energymanagement.pdf
• Focus on Energy, 2006, Water & Wastewater Industry Energy Best Practice Guidebook. Available at  http://www.werf.org/AM/Template.cfm?Section=Home&TEMPLATE=/CM/ContentDisplay.cfm&CONTENTID=10245
• Water Environment Foundation, 2009, Manual of Practice 32: Energy Conservation in Water & Wastewater Facilities. Available at www.wef.org.
• For a list of CEE member energy efficiency program administrators, many of which offer resources for municipalities and water-wastewater utilities, see http://www.cee1.org/cee/members.php3