Secondary treatment level wastewater plants

18,348 plants indexed worldwide.

Biological process removes dissolved organic matter after primary treatment.

18,348 plants

Florence Town of STP

Town of Florence, Wisconsin, United States

Florence Town of STP is a secondary treatment plant serving 1,500 residents in Town of Florence, Wisconsin. It discharges treated wastewater into local waterways under US EPA NPDES regulations.

Secondary 1,500

FLORENCE WWTP

Florence, Kansas, United States

Florence WWTP is a secondary treatment plant serving 671 residents in Florence, Kansas. It discharges 253.62 million gallons per year and has a designed capacity of 314.19 million gallons.

Secondary 671

Florenceville Municipal Lagoon 2

Peel Parish, New Brunswick / Nouveau-Brunswick, Canada

Florenceville Municipal Lagoon 2 is a secondary treatment plant in Peel Parish, New Brunswick, Canada, serving 690 people.

Secondary 690

FLORENVILLE

Florenville, Luxembourg, Belgium

FLORENVILLE wastewater treatment plant serves the town of Florenville in Luxembourg province, Belgium. It provides secondary treatment for a population of 1,210 and has a designed capacity of 5,400 m³/day.

Secondary 1,210

Flores Magon

Flores Magón, Chihuahua, Mexico

Flores Magon wastewater treatment plant serves 2,844 people in Flores Magón, Chihuahua, Mexico, with secondary treatment and a designed capacity of 578.88 m³/day.

Secondary 2,844

Flores Magon

Oaxaca, Oaxaca, Mexico

Flores Magon wastewater treatment plant in Oaxaca, Mexico, serves about 8,300 people with secondary treatment. It discharges 786.24 cubic meters of treated wastewater daily.

Secondary 8,306

Florida WWTP and Sewer System

Henry County, Ohio, United States

Florida WWTP and Sewer System serves 509 people in Henry County, Ohio, with secondary treatment. The plant discharges 113.56 million gallons per year and has a designed capacity of 181.70 million gallons.

Secondary 509

FLORIS LAGOON

Floris, Iowa, United States

Floris Lagoon is a secondary wastewater treatment plant serving 180 people in Floris, Iowa. It discharges treated water into the local watershed, supporting downstream water quality in the Mississippi River basin.

Secondary 180

Florissant WSD

Florissant, Colorado, United States

Florissant WSD is a secondary wastewater treatment plant serving 463 people in Florissant, Colorado. It discharges 64.35 million gallons per year and has a designed capacity of 215.77 million gallons.

Secondary 463

FLOYD CENTRAL HS STP

Floyd County, Indiana, United States

FLOYD CENTRAL HS STP is a secondary treatment plant in Floyd County, Indiana, serving 3,154 people. It discharges 128.70 million gallons per day and operates under US EPA NPDES regulations.

Secondary 3,154

FLOYD STP

Floyd County, Virginia, United States

Floyd STP is a secondary treatment plant serving 575 people in Floyd County, Virginia. It discharges 488.32 thousand gallons per day and has a designed capacity of 946.35 thousand gallons per day.

Secondary 575

FLOYD WWTP

Floyd, Iowa, United States

FLOYD WWTP is a secondary treatment plant serving 359 people in Floyd, Iowa. It discharges 227.13 units of treated wastewater daily, with a designed capacity of 264.98 units.

Secondary 359

FLUMERI_IMPIANTO_FLUMERI_LOCALITA_BORRELLI

Flumeri, Campania, Italy

FLUMERI_IMPIANTO_FLUMERI_LOCALITA_BORRELLI is a secondary treatment plant serving 1,800 people in Flumeri, Campania, Italy. It discharges 356.34 cubic meters of treated wastewater daily.

Secondary 1,800

FLUMERI_IMPIANTO_FLUMERI_LOCALITA_SCAMPATA

Flumeri, Campania, Italy

FLUMERI_IMPIANTO_FLUMERI_LOCALITA_SCAMPATA is a secondary wastewater treatment plant in Flumeri, Campania, Italy, serving approximately 500 people with a designed capacity of 500 m³/day.

Secondary 500

FNFN Treatment Lagoons

Muskwa, British Columbia, Canada

FNFN Treatment Lagoons is a secondary treatment plant serving 341 people in Muskwa, British Columbia, Canada. It discharges 153.00 megaliters of treated wastewater annually.

Secondary 341

FOCHABERS WWTP

Upper Dallachy, Alba / Scotland, United Kingdom

FOCHABERS WWTP is a secondary treatment plant serving 3,068 people in Upper Dallachy, Scotland. It discharges 683.04 m³/day of treated wastewater into the local water environment.

Secondary 3,068

FOGGIA_2_BORGO_INCORONATA

Foggia, Puglia, Italy

FOGGIA_2_BORGO_INCORONATA is a secondary treatment plant serving 807 people in Borgo Incoronata, Foggia, Puglia, Italy. It discharges 115.00 m³/day of treated wastewater, with a designed capacity of 784.00 m³/day.

Secondary 807

FOGLIANISE_DEPURATORE_VIA_SALA

Vitulano, Campania, Italy

FOGLIANISE_DEPURATORE_VIA_SALA is a secondary wastewater treatment plant serving Vitulano, Campania, Italy. It treats municipal wastewater for a population of 1,000 with a designed capacity of 1,000 m³/day.

Secondary 1,000

FOGLIANISE_DEPURATORE_VIA_SERRADOCILE

Cautano, Campania, Italy

FOGLIANISE_DEPURATORE_VIA_SERRADOCILE is a secondary treatment plant serving Cautano, Italy. It treats wastewater from approximately 1,500 people with a designed capacity of 1,500 cubic meters per day.

Secondary 1,500

Fogo Outfall

Fogo, Newfoundland and Labrador, Canada

Fogo Outfall is a secondary treatment plant serving 445 residents in Fogo, Newfoundland and Labrador, Canada. It discharges treated wastewater into the Atlantic Ocean, operating under Canadian federal and provincial regulations.

Secondary 445
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