Presby Environmental
About
Presby Environmental, now integrated into Infiltrator Water Technologies (a subsidiary of Advanced Drainage Systems), designs and manufactures passive onsite wastewater treatment and dispersal systems from its New Hampshire base. The company's flagship product, the Advanced Enviro-Septic® (AES) system, achieves up to 99% contaminant removal without electricity, replacement media, or chemical additives, and is certified to NSF/ANSI Standard 40. The original Enviro-Septic® pipe system delivers 98% contaminant removal through the same passive treatment approach. Presby's Combined Treatment and Dispersal (CTD) products also include the ATL® Advanced Treatment Leachfield, AeroFin™ combined treatment and dispersal unit, and EnviroFin™ compact passive treatment system. Additional offerings encompass the Simple-Septic® economical leach field solution, Presby Maze® septic tank pre-treatment insert (allowing up to 35% reduction in commercial leach bed area), and Presby De-Nyte® nitrogen reduction cells. Accessory products include OrnaVent® decorative vent covers and the Spec-Check® portable aggregate grading device. All Presby CTD systems are characterized as non-mechanical and non-biodegradable with low long-term life cycle costs, serving residential, commercial, and community onsite wastewater applications across multiple US states.
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