Secondary treatment level wastewater plants

18,348 plants indexed worldwide.

Biological process removes dissolved organic matter after primary treatment.

18,348 plants

Dover

Dover, Tasmania, Australia

Dover Wastewater Treatment Plant in Tasmania, Australia, provides secondary treatment for a small coastal community of about 1,100 residents, discharging treated effluent near the coast.

Secondary 1,141

DOVER S_T FACILITY

Dover, Idaho, United States

Dover S_T Facility is a secondary wastewater treatment plant in Dover, Idaho, serving 556 people. It discharges 227.13 units of treated wastewater daily.

Secondary 556

DOVER STP

Dover, Tennessee, United States

DOVER STP is a secondary treatment plant serving Dover, Tennessee. It discharges treated wastewater into local waterways, supporting the Cumberland River basin.

Secondary 1,450

DOVER WWT

Kingfisher County, Oklahoma, United States

DOVER WWT is a secondary treatment plant in Kingfisher County, Oklahoma, serving 367 people. It discharges 151.42 units of treated wastewater daily, operating under U.S. EPA NPDES regulations.

Secondary 367

DOW CITY SEWAGE LAGOON

Crawford County, Iowa, United States

DOW CITY SEWAGE LAGOON is a secondary treatment plant in Crawford County, Iowa, serving 510 people. It discharges 113.56 megaliters of treated wastewater annually.

Secondary 510

Dowerin

Dowerin, Western Australia, Australia

Dowerin wastewater treatment plant in Western Australia serves a small population of 501 with secondary treatment. It discharges 129.68 megalitres annually, supporting the local community's sanitation needs.

Secondary 501

DOWNEY SEWAGE LAGOON SYSTEM

Downey, Idaho, United States

Downey Sewage Lagoon System serves 625 people in Downey, Idaho, with secondary treatment. The plant discharges treated wastewater into local waterways, supporting the region's water quality.

Secondary 625

DOWNING WWTP

Downing, Missouri, United States

DOWNING WWTP is a secondary treatment plant serving 335 people in Downing, Missouri. It discharges 151.42 megaliters per year and has a designed capacity of 208.20 megaliters per year.

Secondary 335

DOWNS WWTP

Osborne County, Kansas, United States

DOWNS WWTP is a secondary treatment plant serving 1,038 people in Osborne County, Kansas, United States. It discharges treated wastewater with a volume of 393.68 units and has a designed capacity of 567.81 units.

Secondary 1,038

DOWNSVILLE SD 1 STP

Town of Dunn, Wisconsin, United States

Downsville SD 1 STP is a secondary treatment plant serving 310 people in the Town of Dunn, Wisconsin. It discharges treated wastewater into local waterways, supporting the region's water quality.

Secondary 310

DOWNSVILLE STP

Downsville, Louisiana, United States

Downsville STP is a secondary treatment plant serving 647 residents in Downsville, Louisiana. It discharges 109.78 units of treated wastewater daily, with a designed capacity of 264.98 units.

Secondary 647

DOZIER LAGOON

Dozier, Alabama, United States

Dozier Lagoon is a secondary wastewater treatment plant serving 391 people in Dozier, Alabama. It discharges approximately 128.70 units of treated effluent daily, with a designed capacity of 227.12 units.

Secondary 391

Drageide Florvag

Florvåg, Unknown, Norway

Drageide Florvag is a secondary wastewater treatment plant in Florvåg, Norway, serving approximately 950 people. It discharges treated wastewater near the coast of Vestland county.

Secondary 948

DRAIN STP

Drain, Oregon, United States

DRAIN STP is a secondary wastewater treatment plant serving 1,151 people in Drain, Oregon. It discharges 526.17 million gallons per year and has a designed capacity of 1,135.62 million gallons per year.

Secondary 1,151

DRAKE LAGOON

Drake, North Dakota, United States

Drake Lagoon is a secondary wastewater treatment plant serving 275 residents in Drake, North Dakota. It discharges 189.27 cubic meters of treated effluent daily, with a designed capacity of 302.83 cubic meters.

Secondary 275

Drakes Road Outfall

Marystown, Newfoundland and Labrador, Canada

Drakes Road Outfall is a secondary treatment plant serving 296 people in Marystown, Newfoundland and Labrador, Canada. It discharges 133.00 cubic meters of treated wastewater daily.

Secondary 296

DRAKESVILLE WWTP

Davis County, Iowa, United States

Drakesville WWTP is a secondary treatment plant in Davis County, Iowa, serving 172 people. It discharges 64.35 volume units of treated wastewater into local waterways.

Secondary 172

Draperstown

Draperstown, Northern Ireland / Tuaisceart Éireann, United Kingdom

Draperstown wastewater treatment plant in Northern Ireland serves approximately 3,275 people with secondary treatment. It discharges treated effluent into local waterways, supporting the region's water quality under UK regulations.

Secondary 3,275

DRAPIA_S_ANGELO

Brattirò, Calabria, Italy

DRAPIA_S_ANGELO is a secondary wastewater treatment plant in Brattirò, Drapia, Calabria, Italy. It serves approximately 800 people and discharges treated wastewater near the Tyrrhenian Sea coast.

Secondary 800

Drawno

powiat choszczeński, województwo zachodniopomorskie, Poland

Drawno wastewater treatment plant serves the gmina Drawno in zachodniopomorskie, Poland. It provides secondary treatment for a population of 3,472, discharging 495.05 m³/day.

Secondary 3,472
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