1-855-869-3783 ( 1-855-TowerTest )

How to Take the Tests

Legionella Water Test Demo

Legionella Surface Swab Test Demo

Testing Instruction videos

Information on Legionella Ecology and an Introduction to Environmental Health and Engineering 

Conducting and Interpreting the Environmental Assessment 

 How to Make a Legionella Sampling Plan 

How to Sample Potable Water

How to Sample Cooling Towers for Legionella Testing

How to Sample Spas and Fountains for testing

Contact Us

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OnSite Legionella Testing

2200 Freed Avenue, Unit C, Pittsburg, California 94565, United States