Legionella Laboratory Testing

Biosan Laboratories specializes in independent Legionella testing for cooling towers, evaporative condensers, spas, fountains and other water sources.  In addition to over 40 years of lab experience in environmental microbiological testing, we are also certified by the Center for Disease Control (CDC) Environmental Legionella Isolation Techniques Evaluation (ELITE) Program and by New York State Department of Health ELAP (ID#12061) for Legionella analysis (ISO 11731).  Our Michigan-based laboratory will assist you with the entire Legionella testing process which includes sampling bottles shipped to the location of your choice. 

The following sites provide valuable information on Legionella testing:

CDC: Developing a Water Management Program to Reduce Legionella Growth and Spread in Buildings


Cooling Technology Institute, Legionellosis, Guideline: Best Practices for Control of Legionella (WTP-148) (08)


This CTI guideline for the control of Legionella in cooling towers includes Legionella testing information, biocide treatment recommendations, maintenance procedures and design considerations to minimize the risk of Legionnaires' Disease.

CDC Sampling Procedure and Potential Sampling Sites


This CDC document lists several areas within a facility to test for the presence of Legionella including water tanks, decorative fountains and hot tubs. 

August 18, 2015: New York City Regulation of Cooling Towers, Law Number 2015/077



Trust your Legionella lab testing to the experienced professionals at Biosan Laboratories.