South Dakota

Advanced Enviro-Septic® now approved in the state of South Dakota:

We are proud to introduce the Advanced Enviro-Septic® Treatment System (“AES”) in South Dakota. Advanced Enviro-Septic® is the next generation of our effective and reliable Enviro-Septic® technology; it has received Class I Certification under NSF International/ANSI’s Standard 40 for Wastewater Treatment Devices. The AES product is also approved for non-NSF Certified installations in South Dakota.

Key benefits:

  • Sloped systems= saved fill material
  • Affordable, passive wastewater treatment that works great in intermittent situations.

Dealers and distributors:

For information regarding design, installation, and sales locations please contact Presby Environmental at 800-473-5298

Certification Classes:

We require individuals who wish to design or install an Advanced Enviro-Septic® be certified by attending the Advanced Enviro-Septic® Design and Installation Certification Class. The class offers various design and installation configurations, troubleshooting techniques and tricks of the trade. Coming soon is the South Dakota certification classes. For the interim please use

Presby Design & Installation Specifications Certification Training: Certification Training 

Presby Design & Installation Specifications Certification Test: Certification Test


Advanced Enviro-Septic® has been approved for use throughout the State of South Dakota. Coming soon is the South Dakota manual. For the interim please use Presby Design & Installation Specifications Manual:D&I Specifications