Secondary treatment level wastewater plants

18,348 plants indexed worldwide.

Biological process removes dissolved organic matter after primary treatment.

18,348 plants

CAPAC STP

Capac, Michigan, United States

CAPAC STP is a secondary wastewater treatment plant serving Capac, Michigan, with a population of 2,138. The facility has a designed capacity of 870.64 and discharges treated effluent into local waterways.

Secondary 2,138

Cape Mudge Band Aerated Lagoon

Area B (Discovery Islands/Mainland Inlets), British Columbia, Canada

Cape Mudge Band Aerated Lagoon is a secondary treatment plant serving 145 people in Area B, British Columbia. It discharges treated wastewater near the coast of Discovery Islands.

Secondary 145

Cape Paterson

Cape Paterson, Victoria, Australia

Cape Paterson wastewater treatment plant serves the coastal town of Cape Paterson, Victoria, Australia. It provides secondary treatment for a population of 1,473 and discharges treated effluent near the Bass Strait.

Secondary 1,473

Cape Vincent V STP

Village of Cape Vincent, New York, United States

Cape Vincent V STP is a secondary treatment plant serving 1,156 people in the Village of Cape Vincent, New York. Located within 10 km of the coast, it discharges treated wastewater into the St. Lawrence River watershed.

Secondary 1,156

Capella

Capella, Queensland, Australia

Capella wastewater treatment plant in Queensland, Australia, serves a small population of 1,043 with secondary treatment. It discharges treated effluent into local waterways, supporting the region's water quality.

Secondary 1,043

CAPITAN LAGOONS

Capitan, New Mexico, United States

Capitan Lagoons is a secondary wastewater treatment plant serving 756 people in Capitan, New Mexico. It discharges 151.42 megaliters annually and operates under U.S. EPA and state regulations.

Secondary 756

CAPOLUOGO

Bolognano, Abruzzo, Italy

CAPOLUOGO is a secondary wastewater treatment plant in Bolognano, Abruzzo, Italy, serving approximately 4,700 people. It discharges treated effluent into the local water system, contributing to the region's water quality management.

Secondary 4,700

CAPOLUOGO_CGL_DEP

Cagli, Marche, Italy

CAPOLUOGO_CGL_DEP is a secondary wastewater treatment plant in Cagli, Marche, Italy, serving approximately 5,307 people. It discharges treated effluent into the local water system, supporting environmental protection in the region.

Secondary 5,307

CAPOLUOGO_COASCO

Villanova d'Albenga, Liguria, Italy

CAPOLUOGO_COASCO is a secondary wastewater treatment plant in Villanova d'Albenga, Liguria, Italy, serving 2,000 people. It discharges treated wastewater near the Ligurian coast, operating under EU Urban Waste Water Treatment Directive standards.

Secondary 2,000

CAPOLUOGO_CREPACCE

Fara Filiorum Petri, Abruzzo, Italy

CAPOLUOGO_CREPACCE is a secondary wastewater treatment plant in Fara Filiorum Petri, Abruzzo, Italy, serving 2,200 people. It discharges treated effluent into local waterways, supporting the region's environmental health.

Secondary 2,200

CAPOLUOGO_GIARDINO

Ripa Teatina, Abruzzo, Italy

CAPOLUOGO_GIARDINO is a secondary wastewater treatment plant serving 2,400 people in Ripa Teatina, Abruzzo, Italy. It discharges 493.15 m³/day and is located within 10 km of the Adriatic coast.

Secondary 2,400

CAPOLUOGO_LOCALITA_PRAZIANO

San Valentino in Abruzzo Citeriore, Abruzzo, Italy

CAPOLUOGO_LOCALITA_PRAZIANO is a secondary wastewater treatment plant serving San Valentino in Abruzzo Citeriore, Italy. It treats wastewater from a population of 1,800 with a designed capacity of 1,800 cubic meters.

Secondary 1,800

CAPOLUOGO_ORC_DEP

Orciano di Pesaro, Unknown, Italy

CAPOLUOGO_ORC_DEP is a secondary wastewater treatment plant serving Orciano di Pesaro, Italy. It treats wastewater for 1,350 people with a designed capacity of 2,500 m³/day.

Secondary 1,350

Capomos

Capomos, Sinaloa, Mexico

Capomos wastewater treatment plant in Sinaloa, Mexico, serves 1,369 people with secondary treatment. It discharges 129.60 cubic meters of treated wastewater daily.

Secondary 1,369

CAPON BRIDGE WWTP

Capon Bridge, West Virginia, United States

Capon Bridge WWTP is a secondary treatment plant serving 225 people in Capon Bridge, West Virginia. It discharges 113.56 megaliters of treated wastewater annually.

Secondary 225

CAPOSELE_IMPIANTO_LOCALITA_GENZANO

Caposele, Campania, Italy

CAPOSELE_IMPIANTO_LOCALITA_GENZANO is a secondary treatment plant serving 4,000 people in Caposele, Campania, Italy. It discharges 791.86 m³/day of treated wastewater.

Secondary 4,000

CAPPADOCIA_CAPOLUOGO

Cappadocia, Unknown, Italy

CAPPADOCIA_CAPOLUOGO is a secondary wastewater treatment plant serving Cappadocia, Italy. It treats wastewater for approximately 2,750 people with a designed capacity of 800 m³/day.

Secondary 2,750

CAPPARUCCIA_GRZ_DEP

Grottazzolina, Marche, Italy

Capparuccia_GRZ_DEP is a secondary wastewater treatment plant serving Grottazzolina, Marche, Italy. It treats wastewater for a population of 1,142 with a designed capacity of 2,500 m³/day.

Secondary 1,142

CAPPELLE_DEI_MARSI

Cese dei Marsi, Unknown, Italy

CAPPELLE_DEI_MARSI secondary treatment plant serves Cese dei Marsi, Italy, treating wastewater for approximately 3,590 people with a designed capacity of 1,200 m³/day.

Secondary 3,590

CAPRON STP

Poplar Grove, Illinois, United States

CAPRON STP is a secondary treatment plant serving 961 people in Poplar Grove, Illinois. It discharges 264.98 thousand cubic meters of treated wastewater annually, with a designed capacity of 1,135.62 thousand cubic meters.

Secondary 961
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