Secondary treatment level wastewater plants

18,348 plants indexed worldwide.

Biological process removes dissolved organic matter after primary treatment.

18,348 plants

Canadian WWTP

Hemphill County, Texas, United States

Canadian WWTP is a secondary treatment facility in Hemphill County, Texas, serving a population of 2,604. It discharges 681.37 million gallons per year and has a designed capacity of 908.50 million gallons per year.

Secondary 2,604

CANALE_VALPONE

Canale, Piemonte, Italy

Canale Valpone wastewater treatment plant in Canale, Piemonte, Italy serves 4,550 people with secondary treatment. The plant has a designed capacity of 4,800 m³/day and discharges 284.09 m³/day.

Secondary 4,550

Canalejas

Jilotepec de Molina Enriquez, Estado de México, Mexico

Canalejas wastewater treatment plant in Jilotepec de Molina Enriquez, Estado de México, Mexico, provides secondary treatment for a population of 1,825. It discharges 172.80 cubic meters of treated wastewater daily.

Secondary 1,825

CANAMERO

Cañamero, Extremadura, Spain

CANAMERO wastewater treatment plant in Cañamero, Extremadura, Spain, serves 3,500 people with secondary treatment. Designed capacity is 3,400 m³/day, with a discharge volume of 634.37 m³/day.

Secondary 3,500

Canas de Senhorim

Canas de Senhorim, Unknown, Portugal

Canas de Senhorim wastewater treatment plant serves 3,800 people in Viseu, Portugal. It provides secondary treatment and discharges 633.58 m³/day of treated effluent.

Secondary 3,800

Canaseraga V WWTP

Town of Burns, New York, United States

Canaseraga V WWTP is a secondary treatment plant serving 870 people in the Village of Canaseraga, New York. It discharges treated wastewater into the local watershed within the Genesee River basin.

Secondary 870

CANAVERAL

Cañaveral, Extremadura, Spain

CANAVERAL wastewater treatment plant serves Cañaveral, Extremadura, Spain, providing secondary treatment for a population of 5,500. It discharges approximately 997 m³/day of treated effluent.

Secondary 5,500

CANCELLARA_CDA_FIUMARA

Cancellara, Basilicata, Italy

Cancellara Cda Fiumara is a secondary treatment plant serving 1,600 people in Cancellara, Basilicata, Italy. It discharges 316.74 cubic meters per day and operates under EU Urban Waste Water Treatment Directive standards.

Secondary 1,600

CANDELA

Candela, Puglia, Italy

Candela wastewater treatment plant in Puglia, Italy, serves 2,800 people with secondary treatment. It has a designed capacity of 2,823 m³/day and discharges 500 m³/day.

Secondary 2,800

Candelo

Candelo, New South Wales, Australia

Candelo wastewater treatment plant in New South Wales, Australia, serves 1,411 people with secondary treatment. It discharges 364.98 ML/year into the local catchment, supporting the Bega River system.

Secondary 1,411

CANDO LAGOON

Cando, North Dakota, United States

Cando Lagoon is a secondary wastewater treatment plant serving approximately 1,115 residents in Cando, North Dakota. It discharges 302.83 megaliters annually and has a designed capacity of 340.69 megaliters.

Secondary 1,115

CANDOR WWTP

Montgomery County, North Carolina, United States

Candor WWTP is a secondary treatment facility serving 887 people in Montgomery County, North Carolina. It discharges treated wastewater into local waterways under state and federal regulations.

Secondary 887

Caneadea T Houghton SD STP

Houghton, New York, United States

Caneadea T Houghton SD STP is a secondary treatment plant serving Houghton, New York. It discharges 511.03 million gallons per year and operates under US EPA NPDES regulations.

Secondary 2,523

Canedo

Santa Maria da Feira, Unknown, Portugal

Canedo wastewater treatment plant serves 2,600 people in Santa Maria da Feira, Portugal. It provides secondary treatment and discharges 433.50 m³/day of treated effluent.

Secondary 2,600

Canelas

Canelas, Durango, Mexico

Canelas wastewater treatment plant in Durango, Mexico, serves a small population of 931 with secondary treatment. It discharges 88.13 units of treated wastewater, operating under Mexico's national water regulations.

Secondary 931

CANET herault

Canet, Occitanie, France

CANET herault is a secondary wastewater treatment plant in Canet, Occitanie, France, serving approximately 4,000 people. It discharges treated effluent into local waterways, supporting the region's environmental quality.

Secondary 4,000

CANET LO ROIG

Canet lo Roig, Comunitat Valenciana, Spain

CANET LO ROIG wastewater treatment plant serves the municipality of Canet lo Roig in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 937, with a designed capacity of 2000 m³/day.

Secondary 937

CANEVA_LOC_FIASCHETTI

Fiaschetti, Friuli-Venezia Giulia, Italy

CANEVA_LOC_FIASCHETTI is a secondary wastewater treatment plant serving 4,047 people in Fiaschetti, Friuli-Venezia Giulia, Italy. It discharges 801.16 m³/day and has a designed capacity of 6,300 m³/day.

Secondary 4,047

CANEYVILLE STP

Grayson County, Kentucky, United States

CANEYVILLE STP is a secondary wastewater treatment plant serving 608 people in Grayson County, Kentucky, USA. It discharges treated effluent into local waterways under Clean Water Act regulations.

Secondary 608

CANILLAS DE ACEITUNO

Canillas de Aceituno, Andalucía, Spain

CANILLAS DE ACEITUNO wastewater treatment plant in Canillas de Aceituno, Andalucía, Spain, serves a population of 1,536. It is a secondary treatment plant with a designed capacity of 1,900 m³/day, currently closed.

Secondary 1,536
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