Septic System Engineers

Advanced Enviro-Septic® Technology has a history of proven performance for Septic System Engineers.

Designers and Installers are experiencing the benefits of Advanced Enviro-Septic® (AES) Wastewater Treatment Systems.

Provides superior treatment
Installations are small, easy and fast
Designs are adaptable to terrain, set backs and existing structures

With over 350,000 Advanced Enviro-Septic® Systems (AES®) in the ground throughout New England, the Midwest and Canada, Advanced Enviro-Septic® Technology has a history of proven performance in the field.

You can design and install AES® with confidence, knowing that top-notch technical support is a phone call or email away. We provide detailed written design and installation manuals, design tools, technical bulletins, troubleshooting assistance, and technical support to anyone using our product, free of charge.

Advanced Enviro-Septic® Technology works so well under a wide variety of soil conditions that it is frequently used as the remediation solution for failed systems.

If you’re looking for a greener, cleaner, and cheaper way to transform effluent into treated wastewater, contact us today for a free consultation.

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At my firm, ORR Design Office, Inc., we design site-specific high-end custom homes throughout the Northern California region. We often design on parcels that require on-site septic systems and associated leach fields. It is not uncommon for us to encounter poor soils that have in the past required very expensive systems to treat waste water. Or, we find that...Read More »

Gary Orr

My husband and I bought a property in Yuba County and found out after the fact that our septic system wasn't working properly. We called about a dozen people and the prices to repair our system was outrageous, we spoke with a family engineering friend about our dilemma and he suggested looking into the Presby Enviro-septic system. I called and spoke...Read More »

Whitney Mello

Outstanding service and went above and beyond in helping my wife and I put in a system that not only was a superior product but a helluva savings vesus the conventional sand filtration system. Strongly recommend the Presby system to anyone needing a sand system. Cant say enough about the team at NexGen.

Jerry Sinkey

They designed a septic system that the county approved when the other engineers said it was impossible. Ian was a pleasure to work with and we highly recommend them.

Duke Lambert

Septic System Engineers

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