Secondary treatment level wastewater plants

18,348 plants indexed worldwide.

Biological process removes dissolved organic matter after primary treatment.

18,348 plants

Corrigin

Corrigin, Western Australia, Australia

Corrigin Wastewater Treatment Plant in Western Australia serves 755 people with secondary treatment. The plant discharges treated effluent into the local environment, supporting the region's water management.

Secondary 755

CORROPOLI_Z_I_

Alba Adriatica, Abruzzo, Italy

CORROPOLI Z I is a secondary wastewater treatment plant serving Alba Adriatica, Abruzzo, Italy. It discharges treated effluent near the Adriatic coast, with a designed capacity of 5,000 m³/day.

Secondary 2,950

Corryong

Corryong, Victoria, Australia

Corryong wastewater treatment plant is a secondary treatment facility serving approximately 1,618 people in Victoria, Australia. It discharges treated effluent into the local watershed.

Secondary 1,618

CORSEREY

Prez, Fribourg/Freiburg, Switzerland

CORSEREY wastewater treatment plant serves Prez, Switzerland, treating wastewater for a population of 200. It operates with secondary treatment and discharges 90.78 m³/day, with a designed capacity of 467.00 m³/day.

Secondary 200

CORTALE_AMALOPATE

Cortale, Calabria, Italy

CORTALE_AMALOPATE is a secondary wastewater treatment plant serving Cortale, Calabria, Italy. It treats wastewater from approximately 3,059 residents with a designed capacity of 4,000 m³/day.

Secondary 3,059

CORTEMAGGIORE

Cortemaggiore, Emilia-Romagna, Italy

Cortemaggiore wastewater treatment plant serves the town of Cortemaggiore in Emilia-Romagna, Italy. It provides secondary treatment for a population of 4,523 and has a designed capacity of 6,000 m³/day.

Secondary 4,523

CORTES

Cortes, Navarra, Spain

CORTES wastewater treatment plant in Cortes, Navarra, Spain, serves approximately 6,001 people with secondary treatment and a designed capacity of 7,500 m³/day, discharging 536 m³/day.

Secondary 6,001

CORTES DE BAZA

Cortes de Baza, Andalucía, Spain

Cortes de Baza wastewater treatment plant serves the municipality of Cortes de Baza in Andalucía, Spain. It provides secondary treatment for a population of 2,924 and has a designed capacity of 2,000 m³/day.

Secondary 2,924

CORTIJOS DE ARRIBA

Los Cortijos, Castilla-La Mancha, Spain

Cortijos de Arriba is a secondary wastewater treatment plant serving Los Cortijos in Castilla-La Mancha, Spain. It treats wastewater for a population of 2,325 with a discharge volume of 662.00 cubic meters.

Secondary 2,325

CORTLAND WWTP

Gage County, Nebraska, United States

Cortland WWTP is a secondary treatment facility in Gage County, Nebraska, serving a population of 382. It discharges 151.42 megaliters of treated wastewater annually, operating under US EPA NPDES regulations.

Secondary 382

Corunna WWTP

DeKalb County, Indiana, United States

Corunna WWTP is a secondary treatment facility serving 217 people in DeKalb County, Indiana. It discharges 90.85 units of treated wastewater, operating under US EPA NPDES regulations.

Secondary 217

CORWEN WWTW STW

Corwen, Cymru / Wales, United Kingdom

Corwen WWTW STW is a secondary treatment plant serving approximately 1,760 people in Corwen, Wales. It discharges treated wastewater into the local water environment under UK regulations.

Secondary 1,760

CORWITH LAGOON

Corwith, Iowa, United States

Corwith Lagoon is a secondary wastewater treatment plant serving 350 residents in Corwith, Iowa. It discharges 401.25 units of treated effluent and has a designed capacity of 991.77 units.

Secondary 350

Corydon 2 Satellite

Corydon, Indiana, United States

Corydon 2 Satellite is a secondary wastewater treatment plant in Corydon, Indiana, serving approximately 2,715 people. It discharges treated effluent into local waterways, supporting the Ohio River basin.

Secondary 2,715

COS w Herbach

Herby, województwo śląskie, Poland

COS w Herbach is a secondary treatment plant in Herby, Silesia, Poland, serving 1,735 people. It discharges 247.38 m³/day of treated wastewater, with a designed capacity of 4,386 m³/day.

Secondary 1,735

CosIo Sur

Cosío, Aguascalientes, Mexico

Cosio Sur is a secondary wastewater treatment plant in Cosio, Aguascalientes, Mexico, serving a population of 3,222. It discharges 304.99 cubic meters of treated wastewater daily.

Secondary 3,222

Cospita

Cospita, Sinaloa, Mexico

Cospita wastewater treatment plant in Sinaloa, Mexico, serves 1,258 people with secondary treatment. It discharges 216.00 m³/day and is located within 10 km of the coast.

Secondary 1,258

Costa Azul

Costa Azul, Sinaloa, Mexico

Costa Azul wastewater treatment plant in Sinaloa, Mexico, serves 1,276 people with secondary treatment. It discharges 276.48 m³/day and is located near the coast.

Secondary 1,276

Costa de Lavos

Figueira da Foz, Unknown, Portugal

Costa de Lavos wastewater treatment plant in Figueira da Foz, Portugal, serves 3,000 people with secondary treatment. The plant is now closed and discharged treated effluent near the Atlantic coast.

Secondary 3,000

COSTILLA CO WSD

Costilla County, Colorado, United States

COSTILLA CO WSD is a secondary wastewater treatment plant in Costilla County, Colorado, serving 690 people. It discharges 302.83 megaliters annually and operates under U.S. EPA and Colorado state regulations.

Secondary 690
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