Criterion’s services include sample collection and/or laboratory analysis.

Criterion’s Legionella testing services will determine if your facility’s water system is a Legionnaires’ outbreak waiting to happen.

Criterion is a CDC ELITE laboratory for Legionella testing and is accredited for Environmental Microbiology by the AIHA Laboratory Accreditation Program

Criterion also offers expedited analysis using Legiolert and 24-hour qPCR methods.

For more information please email Melissa Billingsley at or

Call us at (215) 244-1300. Press “0” and ask to speak with a Project Manager.

Read more about recent Legionella outbreaks in schools and even the Center for Disease Control (CDC) Headquarters in Atlanta, GA.

New York Times: After Coronavirus, Office Workers Might Face Unexpected Health Threats

Reopened Schools Find Health Risks in Water After Covid-19 Lockdowns

CDC Closes Some Offices over Bacteria [Legionella] Discovery


Click here to learn more about Criterion’s Legionella testing services

Legionella testing Legionnaires' Disease water