Secondary treatment level wastewater plants

18,348 plants indexed worldwide.

Biological process removes dissolved organic matter after primary treatment.

18,348 plants

GERMANTOWN STP

Germantown, Illinois, United States

Germantown STP is a secondary treatment plant serving 1,246 people in Germantown, Illinois. It discharges 454.25 thousand gallons per day and operates under the US Clean Water Act.

Secondary 1,246

Germantown T STP and On Sites

Town of Germantown, New York, United States

Germantown T STP and On Sites is a secondary treatment plant serving 1,400 people in Town of Germantown, New York. It discharges treated wastewater into the Hudson River watershed.

Secondary 1,400

Geroda

Platz, Bayern, Germany

Geroda wastewater treatment plant in Platz, Bayern, Germany, serves 837 people with secondary treatment. The plant is now closed, with a designed capacity of 1,200 m³/day and discharge volume of 211.82 m³/day.

Secondary 837

GERVAIS STP

Gervais, Oregon, United States

Gervais STP is a secondary wastewater treatment plant in Gervais, Oregon, serving approximately 2,080 people. It discharges treated effluent into local waterways, supporting the Willamette River basin.

Secondary 2,080

Gesgapegiag wastewater plant

Gesgapegiag, Québec, Canada

Gesgapegiag wastewater plant is a secondary treatment facility serving 361 people in Québec, Canada. It discharges treated wastewater near the coast of the Gaspé Peninsula.

Secondary 361

GESTALGAR

Gestalgar, Comunitat Valenciana, Spain

Gestalgar wastewater treatment plant serves the municipality of Gestalgar in Comunitat Valenciana, Spain, with secondary treatment. It has a designed capacity of 2,000 m³/day and serves a population of 975.

Secondary 975

GEUDA SPRINGS WWTP

Geuda Springs, Kansas, United States

Geuda Springs WWTP is a secondary treatment plant serving 201 people in Geuda Springs, Kansas. It discharges 41.64 units of treated wastewater and has a designed capacity of 53.00 units.

Secondary 201

Geurie

Geurie, New South Wales, Australia

Geurie wastewater treatment plant in New South Wales, Australia, serves a small population of 1,231 with secondary treatment. It discharges treated effluent into the local watershed, contributing to the Macquarie River system.

Secondary 1,231

Geyla Mannor Wastewater Plant

Ranch House Estates, California, United States

Geyla Mannor Wastewater Plant in Ranch House Estates, California, serves 225 people with secondary treatment. It discharges 56.78 units of treated wastewater daily, operating under US Clean Water Act regulations.

Secondary 225

GHISLENGHIEN

Ath, Hainaut, Belgium

GHISLENGHIEN wastewater treatment plant in Ath, Hainaut, Belgium, serves 2,989 people with secondary treatment. It has a designed capacity of 6,500 m³/day and discharges 534.28 m³/day.

Secondary 2,989

GIARRICCIA

Monteodorisio, Abruzzo, Italy

GIARRICCIA wastewater treatment plant in Monteodorisio, Abruzzo, Italy, serves 2,500 people with secondary treatment. It discharges 494.91 m³/day and has a designed capacity of 3,000 m³/day.

Secondary 2,500

Gibbsville SD STP

Oostburg, Wisconsin, United States

Gibbsville SD STP is a secondary treatment plant serving 469 people in Oostburg, Wisconsin. It discharges 128.70 units of treated wastewater and is located within 10 km of Lake Michigan.

Secondary 469

Gibson

Gibson, Tennessee, United States

Gibson wastewater treatment plant serves 414 people in Gibson, Tennessee, with secondary treatment. The facility discharges treated water into local waterways under U.S. EPA NPDES regulations.

Secondary 414

GIBSON WPCP

Gibson, Georgia, United States

Gibson WPCP is a secondary treatment plant serving 782 people in Gibson, Georgia. It discharges treated wastewater into local waterways under US Clean Water Act regulations.

Secondary 782

GIBSON WWTP

Gibson, North Carolina, United States

Gibson WWTP is a secondary treatment facility serving 582 people in Gibson, North Carolina. It discharges 208.20 units of treated wastewater and has a designed capacity of 3732.40 units.

Secondary 582

Gidabijin

Bulla, Unknown, Australia

Gidabijin wastewater treatment plant in Bulla, Northern Territory, Australia, serves a small population of 142 with secondary treatment. It discharges 36.65 ML annually into the local environment.

Secondary 142

GIDEON WWTP

Gideon, Missouri, United States

Gideon WWTP is a secondary treatment facility serving 1,093 people in Gideon, Missouri. It discharges 454.25 thousand cubic meters of treated wastewater annually, with a designed capacity of 605.66 thousand cubic meters.

Secondary 1,093

GIFFONE_CENTRO

Mammola, Calabria, Italy

GIFFONE_CENTRO is a secondary wastewater treatment plant in Mammola, Calabria, Italy, serving 2,336 people with a designed capacity of 2,500 m³/day and a discharge volume of 462.45 m³/day.

Secondary 2,336

GILBERDYKE and STADDLETHORPE SPS STW

Blacktoft, England, United Kingdom

Gilberdyke and Staddlethorpe SPS STW is a secondary treatment plant serving 3,331 people in Blacktoft, England. It discharges 741.60 m³/day of treated wastewater near the Humber Estuary coast.

Secondary 3,331

Gilbert Plains Lagoon

Gilbert Plains Municipality, Manitoba, Canada

Gilbert Plains Lagoon is a secondary treatment plant serving 327 residents in Gilbert Plains Municipality, Manitoba, Canada. It discharges 147.00 cubic meters of treated wastewater, supporting local water quality.

Secondary 327
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