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Company Overview

Since 1981, Orenco Systems — headquartered in Oregon, USA — 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 Launches International Website

Orenco is going more global than ever with the launch of its new multi-lingual website in French, Spanish, and  Portuguese. With products installed in more than 60 countries and international business on the rise, Orenco recognized the need for a more versatile website that would appeal to customers in other countries.  For more info, click here.


Introducing Fiberglass Shelters

Orenco's new Fiberglass Shelters are lightweight but super-strong, highly-insulated fiberglass buildings. They can be used for all sorts of things but are especially helpful for housing electrical controls, process equipment, and chemicals. For more information, click here.


New Fiberglass Industrial and Utility Products

Orenco now manufactures a variety of super-strong fiberglass products for a range of industrial/utility applications, including T-Max tanks, basins, and wet wells.


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.


Check Us Out!

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



  Residential Solutions
Wastewater treatment for builders and homeowners
Engineered Solutions
Wastewater treatment for communities and commercial properties
Controls & Monitoring
Control Panels for multiple markets

Headquartered in Sutherlin, Oregon, Orenco employs about 250 people and sells its products through 300 points of distribution in North America, Central America, South America, Australasia, Europe, Africa, and Southwest Asia. The company’s systems have been installed all over the world.

Click on the map below to visit our international site.