• City Water Ratings: National Drinking Water Database

• EPA's can be accessed, by "clicking here"

• Search the NDWC (National Drinking Water Clearing House) RESULTS Database

• What to Expect from Your State's Report on Drinking Water
  Source Assessment

  * WaterSupply.Com does not confirm the accuracy of the data presented.

Drinking Water Resources

• The Office of Ground Water and Drinking Water
  Environmental Protection Agency

• Local Drinking Water System Lookup
  Environmental Protection Agency

• Drinking Water and Ground Water Statistics for 2008 (PDF) Environmental Protection Agency

• Drinking Water and Ground Water Statistics - 1998-2008 Environmental Protection Agency

• An Assessment of Water Quality From Domestic Wells
  U.S. Geological Survey

• National Assessment of Tap Water Quality
  The Environmental Working Group

Studies Related to Illness and Drinking Water

• How to Access Local Drinking Water Information
  Environmental Protection Agency

• National Public Water Systems Compliance Report, 1996-Present Environmental Protection Agency

• Risk of Waterborne Illness via Drinking Water in the United States National Center for Biotechnology Information

• Quality of Water from Domestic Wells in Principal Aquifers of the United States, 1991–2004
  United States Geological Survey

• Drinking-Water Herbicide Exposure in Indiana and Prevalence of Small-for-Gestational-Age and Preterm Delivery
  Environmental Health Perspectives

• Health Risk of Bathing in Southern California Coastal WatersArchives of Environmental and Occupational Health

• The Association of Drinking Water Source and Chlorination Byproducts with Cancer Incidence Among Postmenopausal Women in Iowa
  American Journal of Public Health

• Cancer and Drinking Water in Louisiana: Colon and Rectum International Journal of Epidemiology

• Draft assessment on arsenic, raising the toxicity determinations
  Environmental Protection Agency

• Arsenic in Drinking Water, 2001 Update
  National Academy of Science

• A history of rule-making regarding arsenic in drinking water
  Environmental Protection Agency

• Arsenic in Drinking Water and Adult Mortality
  Epidemiology

Enforcement Actions

Map of All Enforcement Actions in 2009