Links & Downloads

HydroCorp strives to provide authoritative, accurate information about backflow prevention, cross-connection control, and drinking water safety as part of our service to our clients and to the general public.

This page contains a range of links and downloadable documents intended to provide you with in-depth information about a wide range of water safety subjects, HydroCorp activities and initiatives, regulatory activities, and trends affecting the water safety industry.


Cross Connection Control – General Information
USC, Foundation for Cross Connection Control & Hydraulic Research
EPA, Cross Connection Control Resources
AWWA, American Water Works Association
ABPA, American Backflow Prevention Association

Cross Connection Control – Video Resources
Exterior Cross-Connection Control (External Inspection) Video – HydroCorp (5 min.)
Anti-Siphon Toilet Fill Valve (ASSE 1002) Overview (3 min.)
American Water Works Association (AWWA) Backflow Prevention (5 min.)
Cross Connection Control Program, Nebraska DHHS
Halton Region (Ontario) Cross-Connection Control Program (5 min.)

Legionella – General Information
NSF International Standard to Address Legionnaires’ Disease Risks Described by U.S. CDC
CDC Fact Sheets – Legionnaire’s Disease
U.S. Government Requirement to Reduce Legionella Risk in Healthcare Facility Water Systems
CMS Legionella Prevention Requirement
CDC – Developing a Water Management Program to Reduce Legionella Growth & Spread in Buildings
ANSI/ASHRAE Standard 188-2015 – Legionellosis: Risk Management for Building Water Systems
World Health Organization (WHO) – Legionellosis, General Information

Additional Resources
American Society of Sanitary Engineering (ASSE)
International Code Council (ICC)


All documents are in Adobe Acrobat PDF format. You will need Acrobat Reader or an equivalent application to view these documents.

Note pertaining to links, brochures, downloads: Not all of these items may be applicable in your geographic area. Please check with your local plumbing inspector or authority having jurisdiction (AHJ) for rules and regulations applicable in your specific area.