Where can I get help?

The NPDES eReporting Tool (NeT) Help Center contains frequently asked questions (FAQs), support articles, and other training materials. Please, use the search bar at the top of this portal or select the green "Help" icon in the bottom right corner. When using the Help tool (bottom-right), you can also submit a support request directly to the EPA's NPDES eReporting Help Desk by clicking "Contact Us."  

If you need further assistance with a NeT application (including data entry issues, submitting forms, navigation, etc.), please call EPA’s NPDES eReporting Help Desk at 1-877-227-8965 (toll-free) from 9:00 am – 8:00 pm Eastern time Monday - Friday, or send an email to

If you are having trouble logging in to CDX try using the Forgot User ID or Forgot Password links found on the CDX home page. You may also visit the CDX help webpage at

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