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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 Announces the New DuraFiber Lid

Orenco’s revolutionary, new DuraFiber Lid is made of resin-infused fiberglass for extreme durability and has a breaking strength in excess of 20,000 pounds. It fits most ribbed PVC and HDPE riser pipe and weighs only 11 pounds. In the words of Eric Ball, Orenco’s VP of Product Development, “The DuraFiber lid represents the most significant improvement in fiberglass access lids since 1988, and it’s the strongest non-traffic-rated lid we’ve ever tested.” For photos and more information, see the “News Releases” section on this webpage.

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.

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.