183 plants indexed. Showing 33 matching current filters.
Shoreline Sanitary District STP is an advanced treatment plant in Clatsop County, Oregon, serving 350 people. It discharges 87.06 million gallons per year near the Oregon coast.
Westport STP is a secondary treatment plant serving 355 people in Westport, Oregon. It discharges 102.21 million gallons per year and has a designed capacity of 340.69 million gallons per year.
ASTORIA STP serves approximately 10,400 residents in Astoria, Oregon, discharging treated wastewater into the Columbia River estuary. The plant operates under the US Clean Water Act framework.
BANDON STP serves 3,122 people in Bandon, Oregon, discharging treated wastewater near the Pacific coast. The plant operates under the U.S. Clean Water Act framework.
Brookings WWTP serves approximately 16,580 people in Brookings, Oregon. The plant discharges treated wastewater into the Pacific Ocean via the Chetco River basin.
CANNON BEACH STP serves Cannon Beach, Oregon, treating wastewater for approximately 52,250 people. The plant is located near the Pacific coast and operates under U.S. EPA and Oregon DEQ regulations.
Columbia Blvd STP is a major wastewater treatment plant in Portland, Oregon, serving over 720,000 people. It operates under the US Clean Water Act and EPA NPDES permit program.
Coos Bay STP No 1 serves approximately 13,000 people in Coos Bay, Oregon. The plant discharges treated wastewater into the Pacific Ocean via Coos Bay estuary, operating under the US Clean Water Act NPDES permit system.
Coos Bay STP No 2 Empire serves approximately 9,800 residents in Coos Bay, Oregon. The plant operates under the US Clean Water Act's NPDES permit program for municipal wastewater treatment.
Depoe Bay STP serves the coastal community of Depoe Bay, Oregon, with a designed capacity of 1.00 million gallons per day. The plant treats wastewater from a population of approximately 4,472.
DURHAM STP serves over 363,000 people in Tigard, Oregon, as part of the region's municipal wastewater infrastructure. The plant discharges treated effluent into the Tualatin River watershed, which flows to the Willamette River and ultimately the Colu
Florence STP serves approximately 6,865 residents in Florence, Oregon. The plant operates under U.S. Clean Water Act regulations, discharging treated wastewater to the Siuslaw River estuary near the Pacific coast.
GRESHAM STP serves approximately 119,000 people in Gresham, Oregon. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge to protect local water quality.
Lincoln City STP serves approximately 17,984 residents in Lincoln City, Oregon. The plant is located within 50 km of the Pacific coast and operates under U.S. Clean Water Act regulations.
MEDFORD STP serves over 135,000 people in Jackson County, Oregon. The plant operates under the US Clean Water Act, managing wastewater for a significant urban agglomeration.
NEHALEM BAY STP serves Mohler, Oregon, treating wastewater for approximately 4,700 residents. The plant operates under the US Clean Water Act with NPDES permitting.
Newport STP serves approximately 10,560 residents in Newport, Oregon. The plant is located near the Pacific coast and operates under U.S. EPA and Oregon DEQ regulatory oversight.
REEDSPORT STP serves Reedsport, Oregon, treating wastewater for approximately 5,253 residents. The plant operates under the U.S. Clean Water Act, with a designed capacity of 1.00 million gallons per day.
Rock Creek STP in Hillsboro, Oregon, serves over 305,000 people. The plant operates under the US Clean Water Act, ensuring treated effluent meets federal standards before discharge.
Salem Willow Lake STP in Keizer, Oregon serves approximately 258,000 people. The plant treats municipal wastewater and discharges into the Willamette River system, which flows into the Columbia River and ultimately the Pacific Ocean.