Septage waste
Septage is a liquid and solid material removed from septic tanks or other holding tanks for domestic sewage. Chemical toilet waste is a liquid and solid material removed from portable chemical toilets.
Septage haulers can be licensed to discharge septage at the Durham or Rock Creek Treatment Plants. Those who want to be licensed or who have questions about whether certain septage will be accepted at the District's plants should contact our Source Control Division at (503) 681-5133. (Material containing industrial waste is not accepted.)
Every liquid waste hauler needs to complete and submit the Liquid Waste Hauler Permit Application (PDF, 48.6KB) to receive a permit.
Hours of operation
24 hours per day, 7 days per week
Discharge locations
Durham Wastewater Treatment Plant
16580 SW 85th
Tigard, OR 97224
Rock Creek Wastewater Treatment Plant
3235 SE River Road
Hillsboro, OR 97123
Septage Waste Hauler Training Video
We have created a short video (4:33) demonstrating how to use the automated liquid waste receiving station at the Durham treatment plant. You can watch it in our Video Center, or download (MP4, 30MB) it to your PC.