What We Have to Offer


CDC ELITE certified laboratory that performs Legionella, Pseudomonas aeruginosa, mycobacteria, HPC, coliform and many other microbiological analyses.


Water Management Programs (WMPs) Per ASHRAE Standard 188-2018




Heater/Cooler Laboratory Testing.


Point-of-Use (POU) Filtration for Faucets, Showers, and Ice Machines.



Cooling Tower Cleaning, Disinfection, and Inspection.



Secondary Disinfection for Continuous and Emergency Disinfection of Domestic Water by Chlorine Dioxide, Monochloramine, Chlorine, UV, and Other Technologies.

Additional Resources

Recent News & Updates


Legionnaires Disease Industry Best Practices

New CMS QSO-17-30 Requirement to Reduce Legionella Risk

What this means for health care providers.

“CMS expects Medicare certified healthcare facilities to have water management policies and procedures to reduce the risk of growth and spread of Legionella and other opportunistic pathogens in building water systems. Implement a water management program that considers the ASHRAE industry standard and the CDC toolkit .”

How Weas Engineering can help you.

Our dedicated Water Safety Group will provide expert consulting services to comply with industry requirements and ensure the safety of patients, visitors and employees.

Contact for Site Assessment
 (317) 867-4477  Contact Information Email Phone


Weas WMP Assessment Process



1)  Form a cross departmental team to oversee

the plan


2)  Create a process flow diagram of the building water systems


3)  Conduct an assessment on the building to identify control points


4)  Establish control measures for these control points


5)  Develop a monitoring schedule with corrective actions


6)  Meet with your team regularly to discuss plan   implementation


7)  Document everything


Legionella Testing

On -site service provided in:


Indiana | Illinois | Ohio | Kentucky   Tennessee | Michigan


Providing Legionella Testing Nationwide in our CDC Elite Certified & A2LA Accredited Laboratory