American Backflow Prevention Association (International)
www.abpa.org

American Society of Sanitary Engineer
www.asse-plumbing.org

Foundation for Cross Connection Control and Hydraulic Research
www.usc.edu/dept/fccchr  

Illinois Department of Public Health
http://www.idph.state.il.us

Illinois Environmental Protection Agency
www.epa.state.il.us
Program Summary

Illinois Fire Prevention Association
www.ifpanet.org

Illinois Plumbing Code
www.ilga.gov/commission/jcar/admincode/077/07700890sections.html

Illinois Plumbing, Heating, and Cooling Contractors Association
www.ilphcc.com

Irrigation Association
www.irrigation.org

National Fire Sprinkler Association
www.nfsa.org

Northern Illinois American Backflow Prevention Association
http://www.niabpa.org

Northern Illinois Fire Sprinkler Association
www.firesprinklerassoc.org

US Environmental Protection Agency
http://www.epa.gov

University of Florida- TREEO Center
www.treeo.ufl.edu/backflow