Become a Certified Septic System Inspector

This online certification program is provided by InterNACHI® School ( for free to InterNACHI® members. To become an InterNACHI-certified septic inspector:

  1. Join InterNACHI as a member.
  2. Complete InterNACHI's free, online How to Inspect Septic Systems Course. 
  3. Abide by the Continuing Education Policy for InterNACHI® Certified Inspectors.

Only InterNACHI® Certified Inspectors are permitted to download and use InterNACHI® certification logos

Other certifications:

Members have unlimited access to InterNACHI's free, online training. Learn at your own pace, and when you're ready, you can attain over 60 certifications (at no additional cost). Visit

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