CDC – Center for Disease Control and Prevention


Find your State Health Department

VHA – Directive 1061 — The prevention of healthcare-associated Legionella Disease and Scald Injury from Potable Water.

ASHRAE – American Society of Heating, Refrigerating, and Air-Conditioning Engineers


Other Sites

Centers for Medicare & Medicaid Services (CMS)    Requirement to Reduce Legionella Risk in Healthcare Facility Water Systems to Prevent Cases and Outbreaks of Legionnaires’ Disease. Ref: S&C 17-30-Hospitals/CAHs/NHs, REVISED 06.09.2017

New York State,   New York State, Protection Against Legionella, Effective date: 7/6/16

New York City

WHO – World Health Organization

ECDC – European Center for Disease Prevention and Control

Legionnaires’ disease Risk factors – Mayo Clinic

Legionnaires’ disease – Wikipedia

Risk of waterborne illness via drinking water in the United States.

OSHA – Legionnaires’ Disease eTool: Domestic Hot-Water Systems