Secondary treatment level wastewater plants

18,348 plants indexed worldwide.

Biological process removes dissolved organic matter after primary treatment.

18,348 plants

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

GILBERT STL

Gilbert, Iowa, United States

GILBERT STL is a secondary wastewater treatment plant in Gilbert, Iowa, serving 796 people. It discharges 227.13 megaliters annually and has a designed capacity of 492.10 megaliters.

Secondary 796

GILBERT WWTP

Slabtown, West Virginia, United States

GILBERT WWTP is a secondary treatment plant in Slabtown, West Virginia, serving 815 people. It discharges 302.83 megaliters of treated wastewater annually, operating under US EPA NPDES regulations.

Secondary 815

GILBERTVILLE WWTP

Gilbertville, Iowa, United States

Gilbertville WWTP is a secondary treatment plant serving 748 people in Gilbertville, Iowa. It discharges treated wastewater into local waterways, supporting the Cedar River basin.

Secondary 748

GILBY LAGOON

Gilby, North Dakota, United States

Gilby Lagoon is a secondary treatment plant serving 237 people in Gilby, North Dakota. It discharges 75.71 units of treated wastewater, operating under US EPA NPDES regulations.

Secondary 237

GILDFORD LAGOON

Hill County, Montana, United States

Gildford Lagoon is a secondary treatment plant serving 185 people in Hill County, Montana. It discharges 68.14 megaliters annually and has a designed capacity of 75.71 megaliters.

Secondary 185

GILEAD WWTP

Gilead, Nebraska, United States

GILEAD WWTP is a secondary treatment plant serving the village of Gilead, Nebraska. It discharges treated wastewater into local waterways, supporting the region's water quality.

Secondary 37

Gilgai

Gilgai, New South Wales, Australia

Gilgai wastewater treatment plant in New South Wales, Australia, serves a small population of 1,106 with secondary treatment. It discharges 286.07 megaliters annually, supporting local water quality in the Gwydir River catchment.

Secondary 1,106

GILLETT WWTP

Gillett, Wisconsin, United States

Gillett WWTP is a secondary treatment facility serving 1,380 people in Gillett, Wisconsin. It discharges 514.82 thousand cubic meters of treated wastewater annually, with a designed capacity of 1,268.11 thousand cubic meters.

Secondary 1,380

GILMAN CITY WWTP

Harrison County, Missouri, United States

GILMAN CITY WWTP is a secondary treatment facility in Harrison County, Missouri, serving a population of 383. It discharges 113.56 million gallons per year and has a designed capacity of 321.76 million gallons.

Secondary 383

GILMAN STL

Marshall County, Iowa, United States

GILMAN STL is a secondary wastewater treatment plant in Greencastle Township, Marshall County, Iowa, serving a population of 509. It discharges 227.13 volume units daily with a designed capacity of 264.98 volume units.

Secondary 509
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