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Guidelines for Control of Legionella in Ornamental Features
This document was developed jointly by Legionella Risk Management, Inc. and the South Dakota Department of Health.

ASHRAE - Guideline 12-2000 - Minimizing the Risk of Legionellosis Associated with Building Water Systems. 
This document is supplied as a free download from Marley Cooling Technologies. 
Tim Keane is a member of the ASHRAE committee presently updating this document. 

OSHA Technical Manual Chapter 7 Legionnaire's Disease 

OSHA General Duty Clause 
OSHA regulation applied to enforce good industry practices for legionella control in business settings

Cooling Technologies Institute Legionellosis Guideline

World Health Organization (WHO) Approaches to Risk Management in Priority Setting 

EPA  – Public Notification Rule
Municipal water failures such as water main breaks are one of the main causes of Legionnaires’ disease outbreaks.   EPA requires municipalities to report significant events that will impact water safety.

Guidelines – Healthcare 

CDC – Guidelines for Preventing Healthcare Associated Pneumonia, 2003 

CDC – Guidelines for Environmental Infection Control in Health-Care Facilities 

Maryland Dept of Public Health Legionella Task Force Findings
Report of the Maryland Scientific Working Group to Study Legionella in Water Systems in Healthcare Institutions 

Allegheny County Health Department Guidelines

Wisconsin Plumbing Regulations 
Subchapter V Paragraph (3) subparagraph 6 (see page 71) 
The first state regulations requiring control of bacteria in healthcare facility plumbing systems. 

New York State Guidelines for Prevention and Control of Legionnaires’ Disease in Health-Care Facilities

Guideline for the prevention of nosocomial legionnaires’ disease in Los Angeles County Department of Health Services Medical Facilities

Joint Commission ASHE Regulatory Advisory titled – “Waterborne Pathogens Compliance with Joint Commission Requirements” 
Update clarifying the new JCAHO Environment of Care - Utility Systems Management guidelines for water borne pathogens. Coauthor Tim Keane