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Wastewater Treatment

Wastewater Treatment

We're Planning for the future.  See the 2013 revised Tri-City Site Master Plan for details.

Wastewater Treatment
Clackamas County Service District No. 1 (CCSD #1) collects and cleans more than 3 billion gallons of wastewater annually before releasing it to local rivers. CCSD #1 also annually recycles over 21 million gallons of biosolids from the four wastewater treatment facilities, and monitors over 30 permitted industrial users to test and monitor their discharge.

Boring Sewage Treatment Facility
Location: 13305 SE Richey Road, Boring
Service area: Boring
Population served: 60 commercial and residential connections
Start up: 1986
Design capacity: 0.020 million gallons per day
Average yearly flow: 0.018 million gallons per day
Major Processes: Facultative lagoon, secondary treatment, low-head sand filter, tertiary treatment, chlorine disinfection

Fischer's Forest Park Water Pollution Control Facility
Location: S. Merry Meadow Ct., Oregon City (Redland)
Service area: Fischer's Forest Park subdivision
Population served: 26 single family residences
Start up: 1971
Design capacity: 10,400 gallons per day
Average yearly flow: Not applicable. This facility does not discharge to surface water
Major Processes: Septic tank, recirculating gravel filter, sub-surface discharge by gravity drain field

Hoodland Sewage Treatment Plant
Location: 24596 E. Bright Avenue, Welches
Service area: Hoodland, Welches and the Wemme Recreational Corridor
Population served: 4,000
Start up: 1982
Design capacity: 0.9 million gallons per day
Average yearly flow: 0.345 million gallons per day
Major Processes: Rotating biological contactor, secondary treatment, aerobic biosolids digestion, chlorine disinfection

Kellogg Creek Water Pollution Control Plant
Location: 11525 SE McLoughlin Blvd., Milwaukie
Service area: Unincorporated North Clackamas County, Happy Valley, portions of Damascus and the City of Milwaukie and Johnson City
Population served: 77,800
Start up: August 1974
Design capacity: 10.0 million gallons per day (dry weather flow)
Average flow: 8.02 million gallons per day (dry weather flow)
Major Processes: Activated sludge, secondary treatment, anaerobic digestion, ultraviolet disinfection

Tri-City Water Pollution Control Plant 
Location: 15941 S. Agnes Avenue, Oregon City
Service area: Gladstone, Oregon City and West Linn; diversions from CCSD #1 
Population served: 72,000 (Tri-City Service District); 26,000 (CCSD #1)
Start up: May 1986
Expansion: 2010
Original design capacity: 8.4 million gallons per day (dry weather flow) 
Expansion capacity: 11.9 million gallons per day (dry weather flow)
Average flow: 7.85 million gallons per day (dry weather flow)
Major Processes: Activated sludge, secondary treatment, anaerobic digestion, chlorine disinfection; membrane bioreactor, ultraviolet disinfection

Down the Drain from RiverHealth.org on Vimeo.

 

NEW Kellogg Odor Hotline 503-557-6367 - Please call the Odor Control Hotline to report an odor that you believe is related to wastewater treatment at the Kellogg Plant. District staff will promptly investigate your concern and return your call.