Rule and Guidance Documentation for Consumer Confidence Reports: http://www.epa.gov/ogwdw000/ccr1.html
Water on Tap: A Consumer's Guide to the Nation's Drinking Water: http://www.epa.gov/ogwdw/wot/ontap.html
Office of Ground Water and Drinking Water: http://www.epa.gov/ogwdw
Drinking Water Glossary: http://www.epa.gov/ogwdw/glossary
Links to Partners in Drinking Water Protection: http://www.epa.gov/links
The Water Quality Information Center - National Agricultural Library: http://www.nal.usda.gov/wqic
Office of Ground Water and Drinking Water - FAQ: http://www.epa.gov/ogwdw/faq/faq.html#19
USDA Water Quality Program - Cryptosporidium: A Waterborne Pathogen: http://www.nalusda.gov/wqic/cornell.html
State Primacy Agencies: www.asdwa.org