Secondary treatment level wastewater plants

18,348 plants indexed worldwide.

Biological process removes dissolved organic matter after primary treatment.

18,348 plants

GACKLE LAGOON

Logan County, North Dakota, United States

Gackle Lagoon is a secondary wastewater treatment plant serving 310 people in Logan County, North Dakota. It discharges 113.56 megaliters annually into the local watershed.

Secondary 310

GAENSBRUNNEN

Crémines, Bern/Berne, Switzerland

GAENSBRUNNEN wastewater treatment plant serves Crémines, Switzerland, providing secondary treatment for a small population of 65. It discharges 29.51 cubic meters of treated wastewater daily.

Secondary 65

GAERWEN STW

Ynys Môn / Isle of Anglesey, Cymru / Wales, United Kingdom

GAERWEN STW is a secondary wastewater treatment plant serving 2,692 people in Ynys Môn, Wales. It discharges treated effluent near the coast, operating under UK regulations.

Secondary 2,692

GAGE WWT

Gage, Oklahoma, United States

GAGE WWT is a secondary treatment plant serving 429 people in Gage, Oklahoma. It discharges 151.42 units of treated wastewater daily, operating under US EPA Clean Water Act regulations.

Secondary 429

GAGETOWN STP

Elmwood Township, Michigan, United States

GAGETOWN STP is a secondary treatment plant in Elmwood Township, Michigan, serving 371 people. It discharges 113.56 million gallons per year and has a designed capacity of 264.98 million gallons.

Secondary 371

GAIARINE_FRZ_FRANCENIGO

Albina, Veneto, Italy

GAIARINE_FRZ_FRANCENIGO is a secondary treatment plant serving Albina, Veneto, Italy.

Secondary 150

Gainesboro STP

Gainesboro, Tennessee, United States

Gainesboro STP is a secondary treatment plant serving 923 residents in Gainesboro, Tennessee. It discharges treated wastewater into local waterways, supporting the Cumberland River basin.

Secondary 923

GAINESVILLE WWTP

Gainesville, Missouri, United States

Gainesville WWTP is a secondary treatment facility serving 939 residents in Gainesville, Missouri. It discharges 355.83 units of treated wastewater daily, with a designed capacity of 794.93 units.

Secondary 939

GALAROZA

Galaroza, Andalucía, Spain

GALAROZA wastewater treatment plant serves the town of Galaroza in Andalucía, Spain, treating wastewater for approximately 2,625 residents with secondary treatment.

Secondary 2,625

GALENA WWTP

Galena, Maryland, United States

Galena WWTP is a secondary treatment plant serving 480 people in Galena, Maryland. It discharges 94.64 m³/day of treated wastewater and has a design capacity of 227.12 m³/day.

Secondary 480

GALERA LA

la Galera, Catalunya, Spain

GALERA LA wastewater treatment plant serves la Galera, Catalunya, Spain. It provides secondary treatment for a population of 1,548 and has a designed capacity of 1,200 m³/day.

Secondary 1,548

GALERA NUEVA

Galera, Andalucía, Spain

GALERA NUEVA is a secondary wastewater treatment plant in Galera, Andalucía, Spain. It serves a population of 1,869 and has a designed capacity of 1,250 m³/day, though currently closed.

Secondary 1,869

GALERIA

Galéria, Corse, France

GALERIA wastewater treatment plant in Galéria, Corse, France, serves approximately 2,400 people with secondary treatment. It discharges 431 m³/day and is located within 10 km of the coast.

Secondary 2,417

GALESBURG LAGOON

Galesburg, North Dakota, United States

Galesburg Lagoon is a secondary wastewater treatment plant serving 108 residents in Galesburg, North Dakota. It discharges 37.85 megaliters annually into local waterways.

Secondary 108

GALESBURG WWTP

Galesburg, Kansas, United States

Galesburg WWTP is a secondary treatment facility serving approximately 150 people in Galesburg, Kansas. It discharges 56.78 million gallons per day and has a designed capacity of 90.85 million gallons per day.

Secondary 150

GALESVILLE WWTP

Town of Caledonia, Wisconsin, United States

GALESVILLE WWTP is a secondary treatment plant serving 1,668 people in the Town of Caledonia, Wisconsin. It discharges treated wastewater into the local watershed, ultimately draining to the Mississippi River.

Secondary 1,668

GALETON SAN DIST

Weld County, Colorado, United States

GALETON SAN DIST is a secondary wastewater treatment plant in Weld County, Colorado, serving a small population of 150. It discharges 45.43 megaliters annually and has a designed capacity of 68.14 megaliters.

Secondary 150

GALIEN WWTP

Weesaw Township, Michigan, United States

GALIEN WWTP is a secondary treatment plant in Weesaw Township, Michigan, serving 566 people. It discharges treated wastewater near the Lake Michigan coast, operating under US Clean Water Act regulations.

Secondary 566

GALISTEO

Galisteo, Extremadura, Spain

Galisteo wastewater treatment plant serves 3,500 people in Extremadura, Spain, with secondary treatment. It discharges 634.37 m³/day and has a designed capacity of 3,350 m³/day.

Secondary 3,500

Galiwinku

Galiwinku, Unknown, Australia

Galiwinku wastewater treatment plant is a secondary treatment facility serving the remote community of Galiwinku in East Arnhem, Northern Territory, Australia. It discharges treated effluent near the coast of the Arafura Sea.

Secondary 2,289
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