14,814 plants indexed. Showing 743 matching current filters.
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.
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.
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.
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.
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
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.
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.
Tri City WPCP in Oregon City, Oregon serves about 141,676 people. The plant operates under the US Clean Water Act and EPA NPDES permitting framework.
Tulsa Northside WWT serves approximately 180,000 people in Tulsa, Oklahoma. The plant operates under the US Clean Water Act, which mandates secondary treatment for municipal wastewater facilities of this scale.
Tulsa Southside WWT serves approximately 148,573 people in Tulsa, Oklahoma. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge to protect local waterways.
OKC North Canadian WWT serves Oklahoma City, Oklahoma, with a population of approximately 394,724. The plant discharges into the North Canadian River, part of the Arkansas River basin.
Yukon STP serves approximately 22,150 people in Yukon, Oklahoma. Located near the coast, the plant operates under US EPA NPDES regulations for wastewater treatment.
Willoughby Eastlake WWTP and Sewers serves approximately 42,099 people in Eastlake, Ohio, discharging treated wastewater into Lake Erie. The plant operates under the U.S. Clean Water Act with NPDES permits.
Warren Co Lower Little Miami WWTP serves 110,000 people in Warren County, Ohio. The plant discharges into the Little Miami River, a tributary of the Ohio River, and operates under U. S. Clean Water Act regulations.
Toledo Bay View Park WWTP and Sewers serves approximately 330,000 people in Toledo, Ohio. The plant discharges into the Maumee River watershed, which flows into Lake Erie.
Rocky River WWTP and Sewer System serves about 81,000 people in Rocky River, Ohio. The plant discharges treated wastewater into Lake Erie, a vital Great Lake.
Put in Bay WWTP and Sewer System serves the village of Put-in-Bay, Ohio, on South Bass Island in Lake Erie. The plant treats wastewater for a population of approximately 10,450.
Perrysburg WWTP and Sewer System serves 21,100 people in Perrysburg, Ohio. The plant operates under US EPA NPDES permits and discharges treated wastewater into the Maumee River watershed, which flows to Lake Erie.
Oregon WWTP and Sewer System serves approximately 29,410 people in Oregon, Ohio. The plant operates under the US Clean Water Act and NPDES permitting framework.
Norwalk WWTP and Sewer System serves 16,238 people in Norwalk, Ohio, United States. The plant is located within 50 km of Lake Erie and operates under US EPA NPDES regulations.
UtilityRadar indexes 14814 wastewater treatment plants in United States, with treatment level, capacity, operator and discharge data on each record.
Among the plants on this page, the most-referenced operator is City of Portland Bureau of Environmental Services. UtilityRadar's records show 1 plant linked to this operator.
Among the indexed plants, ASTORIA STP has the highest designed capacity at 1 m3/day.