Discharge Monitoring Report-Quality Assurance

We help NPDES permit holders navigate the requirements of the EPA’s annual DMR-QA study. When you partner with ERA, you gain access to experienced technical and customer service team members who provide expert guidance for every step of the study response process and ensure you have the right samples, at the right time.

Streamline your preparation for the DMR-QA study

From preparatory resources to product replacement and corrective action support, ERA offers industry leading guidance and tools to move you through the DMR-QA process efficiently.
  • Immediate notification of the EPA’s Section 308 letter when the study is announced
  • Comprehensive explanation of PT process
  • Help understanding and meeting regulatory requirements
  • Free analysis tips and tricks webinars and resources
  • Practice QC samples
  • Corrective action parameters and support
  • Access to ERA’s eDATA PT data management portal for ongoing program management

Here are a few quick links to key guidance and forms to help you plan your process. Access even more from our comprehensive resources page.

Get expert assistance for proficiency testing (PT) programs

As your partner in defensible data, we provide you with tools to effectively manage your PT program, assess risk and evaluate trends over time. To make it even easier, ERA created eDATA™, an online PT data management portal that helps you improve quality longer term.

Learn more about eDATA.

Access our order form and begin your DMR-QA journey.
Have questions? Contact our helpful customer service team.

DMR-QA 44 Study Dates

2024 Compliant Studies
May 17
Aug 30
Jan 16
Mar 1
Feb 12
Mar 28
Mar 11
Apr 25
Apr 15
May 30
May 13
Jun 27
Jun 10
Jul 25
Jul 15
Aug 29

MilliporeSigma RTC Users

Did you use Sigma RTC in the past for your DMR-QA proficiency testing studies? Use our product comparison tool to find the equivalent ERA product

Find Your Product

Are you new to DMR-QA, or do you need a refresher on the process?

View DMR-QA educational videos and webinars

ERA DMR-QA webinars and videos help ensure pH, TSS and ammonia analysis success. Watch this sneak preview to learn about the topics we cover. Then, check out our webinar series.

Access best practices and helpful tips

Check out our frequently asked questions for insights into studies, samples, reporting and more. You can also access the following DMA-QA analysis tips compiled by ERA’s technical experts: