Durham Advanced Wastewater Treatment Facility

The Durham Facility, located at 16060 SW 85th Avenue, Tigard, Oregon, provides wastewater treatment for the Cities of Beaverton, Tigard, Sherwood, and Tualatin, the communities of Durham and King City, and portions of Clackamas and Multnomah Counties. The facility provides tertiary treatment through November, phosphorous and ammonia are removed using biological nutrient methods along with the application of alum and lime. Sludge is thickened, anaerobically digested, dewatered with the use of polymer and transported to Central Oregon for application on arid farmland. This year we anticipate more local land application of our biosolids, which will result in considerable savings over hauls to Central Oregon.

The successful compliance with this facility's permit is accomplished through monitoring, testing, evaluating and adjusting of the process parameters 7 days a week, 24 hours a day.

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