Bortman, Marci, Peter Brimblecombe, and Mary Ann Cunningham. "Activated Sludge." Environmental Encyclopedia. 2003.

Bortman, Maci, Peter Brimblecombe, and Mary Ann Cunningham. "Effluent." Environmental Encyclopedia. 2003.

Howes, Robert. Interview by Christina Silvestri. 9 November 2004.

Junkins, R., K. Denney, and T. Eckhoff. The Activated Sludge Process: Fundamentals of Operation. Boston: Butterworth Publishers, 1983.

Kopec, David M. "Managing Turf with Effluent Water." Retrieved 1 November 2004 from the World Wide Web. http://www.geoflow.com/wastewater/turf.htm

Kullman, Joe. "Scottsdale Water Lab Upgrades Testing." Scottsdale Tribune, October 2004: A17.

Moskop, Clark. Interview by Christina Silvestri. 17 November 2004.

Rall, Kathy. "Water Conservation: Frequently Asked Questions." Retrieved 2 November 2004 from the World Wide Web. http://www.ci.gilbert.az.us/water/water-faqs.cfm

Symons, James M. Plain Talk About Drinking Water. Denver: American Water Works Association, 2001.

Thompson, Michael S. Interview by Christina Silvestri. 9 November 2004.

Ward, Diane R. Water Wars. New York: Penguin Putnam, 2002.