Legionella Sampling Locations

Cooling Tower Sampling Locations - Sample Quarterly

• Tower Makeup
• Tower Sump away from makeup * (water and swab)
• Inlet to Heat Exchanger
• Outlet from Heat Exchanger
• Distribution Pack
• Tower Pack * (water and swab)

Potable Water Sampling Locations - Sample Semi-Annually

• City Water Main Entry Point
• Storage Tanks
• Hot Water Heater Drain Point *
• Hot Water Return
• Last Point on Cold Water/First Point on Hot Water
• Last Point on Hot Water*/First Point on Cold Water
• 10% of Selected Outlets (water and swab)

* Test Routinely
Test all locations to establish a baseline
Test all locations during an outbreak
If you have any questions, call Diane Miskowski at 800-220-3675 x1218

For More Information Call Today:
East Coast 1-800-220-3675 x2528
or write to:
EMSL Analytical, Inc.
200 Route 130 North
Cinnaminson, NJ 08077

Latest Article

An Overview of Legionella Analyses

By Diane Miskowski, MPH EMSL Analytical, Inc.

The first recognized outbreak of Legionnnaires' Disease occurred in the US at the American Legion Convention in Philadelphia during the summer of 1976. read more...

Additional Resources

For additional information please click the links below.

Legionnaires' Disease
Clinical Microbiology Reviews
Cooling Technology Institute
more resources...

Legionella images courtesy of CDC, Public Health Image Library (PHIL)