Rock Creek Advanced Wastewater Treatment Facility
The Rock Creek Facility, located at 3235 SW River Road in Hillsboro, Oregon, provides wastewater treatment for the City of Hillsboro, portions of Beaverton, Aloha, and unincorporated Washington County. The Rock Creek, Hillsboro and Forest Grove facilities are connected by pipeline and are integrated. This expands the operational options available to the west basin facilities.
The Rock Creek facility provides advanced treatment, including phosphorous and ammonia-nitrogen nutrient removal, and effluent filtration. Rock Creek provides Level IV effluent for irrigation water for public application. Biosolids streams from the Hillsboro and Forest Grove facilities as well as a portion of these plants' influent flow are treated at Rock Creek. Biosolids are digested, processed, and dewatered at the facility. These biosolids are then land applied.
The Rock Creek Advanced Wastewater Treatment Facility won the Environmental Protection Agency (EPA) 2006 National Clean Water Act Recognition Award for operations and maintenance excellence in large facilities with advanced treatment. The facility cleans 39 million gallons of wastewater on an average day, discharging water so clean it improves Tualatin River water quality. The District’s Durham Facility won the award in 2005, for back to back top national honors.
Rock Creek is currently under expansion. The upcoming phases of construction will allow this facility to meet the community's needs well into the future.
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