An Installer’s Go-To System Solution for Sites with Challenging Soils

Diverse terrain and soil conditions in Oregon’s Willamette River valley often call for aerobic treatment units as part of onsite systems. Rick Jonas and the team at A-Affordable Septic Service, based in Canby, Oregon, typically choose AdvanTex AX20-RT units from Orenco Systems for sites with challenging soils. The company works in a valley about 50 miles wide where soils are mostly silt-loam and clay.“There are pockets of sand,” Jonas says. “On average we have about 2 feet of topsoil throughout the valley. We also get into heavier clays. Depending on the lot size, the water table and soil conditions, we’ll install