Digital PCR

Digital PCR in wastewater testing

Improve wastewater surveillance by detecting pathogens, viruses, resistance genes and more with high-precision dPCR.

Digital PCR for analysis of wastewater samples

Digital PCR (dPCR) is a highly accurate molecular method for wastewater surveillance, enabling precise, absolute quantification of rare microbial material in wastewater and natural sewage. Digital PCR effectively detects bacteria, parasites, antimicrobial resistance (AMR) and viruses, including SARS-CoV-2, Influenza A, Influenza B, Respiratory syncytialvirus (RSV) and Norovirus, without the need for standard curves. The method is suitable for predicting epidemiological outbreaks, establishing early warning systems and maintaining general health surveillance.

Why use nanoplate dPCR for wastewater surveillance

  • High robustness for viral detection from complex samples – provides superior precision at low target concentrations, even in matrices containing PCR inhibitors
  • High tolerance to PCR inhibitors – including humic acids (from the decomposition of plant material), urea (from urine), polysaccharides and bile salts (from feces), all of which interfere with primers, templates, inhibit or degrade enzymes and adversely affect amplification efficiency with a substantial impact on qPCR
  • Multiplexing up to 12 targets possible – increases throughput and reduces costs, with applicability for environmental water sources such as wastewater, which can be contaminated with multiple pathogens
  • No need for standard curves required by qPCR – simplifies workflows for high-throughput surveillance programs
  • Selection from 900+ predesigned assays for microbial targets (bacterial, viral, virulence factors, antimicrobial resistance genes, etc.) including SARS-CoV-2 or the opportunity to design for your unique targets with a free custom assay design tool
Digital PCR provides the absolute quantification necessary for monitoring diverse microbes, such as bacteria, viruses and ARGs, within complex wastewater matrices. Below is a summary of the key applications of dPCR in wastewater testing.
Dr. Franz Durandet, CEO of I.A.G.E.
"With the new, high-throughput QIAcuity Eight, we were able to detect new variants of SARS-CoV-2 in wastewater samples successfully.“
Dr. Franz Durandet, President of I.A.G.E. in Montpellier, France
Microbial dPCR assays for any target you could wish for
Explore predeisgned dPCR assays for more than 900+ microbial targets or design one for your region of interest.

Freddi A, et al. Comparative analysis of RT-qPCR assay sensitivity and process limit of detection for Japanese encephalitis virus (JEV) detection in piggery wastewater. J Virol Methods. 2026;340:115272.

Chaqroun A, et al. Assessing the integrity of SARS-CoV-2 and F-specific RNA bacteriophage RNA in raw wastewater (ANRS0160). Water Res. 2026;289(Pt B):125002.

Poretsky RS, et al. Establishing a practical approach to sewer monitoring for antimicrobial resistance genes and organisms at healthcare facilities. J Infect Dis. 2026;233(1):38–48.