- The EPA Website
- Pontius, F. Clark, S. Cohn, P. etc. Water Quality & Treatment. Washington DC: McGraw-Hill, 1999.
- NC DENR
- World Health Organization
- Fransisco, D. "Water Quality." Schedule. 2004. UNC-Chapel Hill. 27 November 2005
- "Water and Sanitation Factsheet" WHO, 1996.
- "Managing Water in the Home: Accelerated Health Gains from Improved Water Supply." Geneva
- "Chlorine Disinfection" National Small Flows Center, 1998.
- United Nations Synthesis Report on Arsenic in Drinking Water." United Nations Administrative Committee, UNICEF, UNIDO, IAEA, World Bank, 2001
- "Arsenic Factsheet # 210." Geneva, WHO, 2001. http://www.who.int/inf-fs/en/fact210.html
- "Safe Drinking Water." Physicians for Social Responsibility. http://www.psr.org
- "Arsenic Factsheet." Campaign for Safe and Affordable Drinking Water. http://www.safe-drinkingwater.org