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Q Labs, A Trusted Name in Legionella Testing

Established in 1966, Q Laboratories has over 50 years of experience within the water testing industry. Today, from our state-of-the-art 33,000 sq/ft. laboratory, we specialize in providing cultural and rapid detection test methods for Legionella, connecting the most current technology to the water treatment industry. 

Q Labs is a proud member of the CDC Elite Program and the Association of Water Technologies (AWT), and is also recognized by AOAC, MicroVal, and AFNOR with expert lab status. 

Legionella Test Offering


  • Quantification of live Legionella spp., L. pneumophila SG-1, L. pneumophila SG 2-15.
  • Results delivered the next day!

Cultural Method

  • Rapid identification via Bruker Maldi-TOF technology included
  • Allows for confirmation of Legionella recovery with speed and confidence, eliminating analyst variability
  • Accurate, reliable results delivered within 7-10 business days


  • Qualitative method confirming presence or absence of Legionella spp.
  • Limit of Detection – 10 CFU/L
  • Results delivered within 2-3 business days

What is the CDC ELITE program?

  • This acronym stands for the Centers for Disease Control Environmental Legionella Isolation Techniques Evaluation. The program allows laboratories to test their Legionella isolation techniques against a set of standardized samples. The labs that correctly identify Legionella in 2 consecutive panels receive documentation for passing the proficiency test. Since 2013, Q Laboratories has been continuously recognized as a CDC ELITE Certified laboratory!

Compare Q Labs to the Industry Standard

Legionella Comparison Chart

Added Q Labs Benefits

Lab open 7 days a week

Same-day test initiation

Weekend sample receipts

Legionella test kit bottles and boxes are available

Convenient shipping of samples and supplies

Regional courier service, sample drop-off, and sample pick-up

Read Our Paper:

“Comparative Evaluation Of Three Modern PCR Methods For Quantitative And Qualitative Analysis Of Legionella spp. For Routine Monitoring Of Premise Water System Samples.”