Company Overview

Since 1981, Orenco has designed and sold affordable, sustainable wastewater treatment products for properties not served by conventional sewers. Our award-winning technologies are cited in wastewater texts and installed all over the world. They include fiberglass septic tanks and septic systems, advanced treatment systems, effluent sewers, and electrical control panels.

What's New

Orenco Introduces Innovative New Tank Adapter

Orenco's new PRTA24-2 tank adapter creates a strong, watertight connection between concrete tanks and 24-in. risers. For tank manufacturers, it's fast and easy to cast-in. For installers, it's easy to connect a riser with just a single bead of adhesive. For more info, click here.

Orenco Stormwater System Chosen for VISION House

Green Builder Media has selected Orenco's Stormwater System for its VISION House in Pacific Palisades, California. VISION House projects are specifically designed to showcase sustainable building practices and technologies.

Orenco Wins WEF's Innovative Technology Award

Orenco has won the Water Environment Federation’s prestigious Innovative Technology Award for the two-stage nutrient-removal configuration of its AdvanTex® Treatment Systems. Orenco's technologies have been honored by numerous awards, demo projects, and "firsts" over the years. Our video, "A Decade of Awards & Recognitions," highlights 20 of these. 

Check Us Out!

Check out this short video about Orenco's affordable Effluent-Only Sewers: