Secondary treatment level wastewater plants

18,348 plants indexed worldwide.

Biological process removes dissolved organic matter after primary treatment.

18,348 plants

INDEPENDENCE WWTP and Coll System

Grayson County, Virginia, United States

The Independence WWTP and Coll System in Grayson County, Virginia, serves a small population of 1,012 with secondary treatment. It discharges 946.35 cubic meters per day into local waterways.

Secondary 1,012

Independencia

Independencia (Cologachi), Chihuahua, Mexico

Independencia wastewater treatment plant serves the community of Independencia (Cologachi) in Chihuahua, Mexico. It provides secondary treatment for a small population of 91 people.

Secondary 91

Independencia y Libertad

Independencia y Libertad, Durango, Mexico

Independencia y Libertad wastewater treatment plant in Durango, Mexico, serves 1,260 people with secondary treatment. It discharges 119.23 volume units daily, operating at 77.5% of its 153.79 capacity.

Secondary 1,260

INDIAHOMA EAST WWT

Comanche County, Oklahoma, United States

Indiahoma East WWT is a secondary treatment plant in Comanche County, Oklahoma, serving 187 people. It discharges 90.85 units of treated wastewater daily, with a designed capacity of 102.21 units.

Secondary 187

INDIAHOMA WEST WWT

Indiahoma, Oklahoma, United States

Indiahoma West WWT is a secondary treatment plant serving 187 people in Indiahoma, Oklahoma. It discharges 45.43 volume units daily with a designed capacity of 49.21 volume units.

Secondary 187

Indian Check Post Akhaura Border Agartala

Agartala, Tripura, India

Indian Check Post Akhaura Border Agartala is a secondary treatment plant serving 301 people in Agartala, Tripura, India. It discharges 45.00 m³/day of treated wastewater, operating under India's environmental regulations.

Secondary 301

INDIAN ISLAND WWTF

Indian Island, Maine, United States

Indian Island WWTF is a secondary treatment plant serving 591 people in Indian Island, Maine. It discharges treated wastewater into the Penobscot River watershed, supporting local water quality.

Secondary 591

Indian Lake T STP and On Site Sys

Town of Indian Lake, New York, United States

Indian Lake T STP and On Site Sys is a secondary treatment plant serving 565 people in Town of Indian Lake, New York. It discharges 242.27 units of treated wastewater daily, with a designed capacity of 529.96 units.

Secondary 565

Indian Township WWTF

Princeton, Maine, United States

Indian Township WWTF is a secondary treatment plant serving 444 people in Princeton, Maine. It discharges approximately 230.91 units of treated wastewater daily, with a designed capacity of 359.61 units.

Secondary 444

INDIANA CO MSA ARMAGH STP

East Wheatfield Township, Pennsylvania, United States

INDIANA CO MSA ARMAGH STP is a secondary treatment plant in East Wheatfield Township, Pennsylvania, serving 1,000 people. It discharges 378.54 cubic meters of treated wastewater daily.

Secondary 1,000

INDIANA CO MSA CHERRYTREE STP

Burnside Township, Pennsylvania, United States

INDIANA CO MSA CHERRYTREE STP is a secondary treatment plant serving 1,071 people in Burnside Township, Pennsylvania. It discharges treated wastewater into local waterways under US EPA NPDES regulations.

Secondary 1,071

INDIANA CO MSA HEILWOOD STP

Indiana County, Pennsylvania, United States

INDIANA CO MSA HEILWOOD STP is a secondary treatment plant in Creekside, Indiana County, Pennsylvania, serving 415 people. It discharges 113.56 thousand cubic meters per year with a design capacity of 151.42.

Secondary 415

INDIANA CO MSA JACKSONVILLE STP

Young Township, Pennsylvania, United States

INDIANA CO MSA JACKSONVILLE STP is a secondary treatment plant in Young Township, Pennsylvania, serving 685 people. It discharges 302.83 units of treated wastewater daily, with a designed capacity of 416.39 units.

Secondary 685

INDIANA CO MSA PLUMVILLE STP

South Mahoning Township, Pennsylvania, United States

INDIANA CO MSA PLUMVILLE STP is a secondary treatment plant serving 912 people in South Mahoning Township, Pennsylvania. It discharges treated wastewater into local waterways under US EPA NPDES regulations.

Secondary 912

INDIANA CO MSA SHELOCTA STP

Armstrong Township, Pennsylvania, United States

Indiana Co MSA Shelocta STP is a secondary treatment plant serving 580 people in Armstrong Township, Pennsylvania. It discharges 227.13 cubic meters per day into local waterways.

Secondary 580

INDIANOLA WWTP

Indianola, Nebraska, United States

Indianola WWTP is a secondary treatment facility serving approximately 1,008 people in Indianola, Nebraska. It discharges 378.54 m³/day of treated wastewater and has a designed capacity of 454.25 m³/day.

Secondary 1,008

Indulkana

Iwantja, South Australia, Australia

Indulkana wastewater treatment plant serves the remote community of Iwantja in South Australia. It provides secondary treatment for a population of 315, discharging 81.51 megaliters annually.

Secondary 315

Industrial Park WWTP

Calvert Mobile Home Park, Maryland, United States

Industrial Park WWTP in Calvert Mobile Home Park, Maryland, serves 300 people with secondary treatment. It discharges treated wastewater near the Chesapeake Bay, a major estuary on the U.S. East Coast.

Secondary 300

Infonavit Croc

Ixtapan de la Sal, Estado de México, Mexico

Infonavit Croc is a secondary wastewater treatment plant in Ixtapan de la Sal, Estado de México, Mexico. It serves a population of 1,825 and has a designed capacity of 172.80 volume units.

Secondary 1,825

Infonavit ExFinca Arcila

Ciudad del Carmen, Campeche, Mexico

Infonavit ExFinca Arcila is a secondary wastewater treatment plant in Ciudad del Carmen, Campeche, Mexico, serving 6,663 people with a discharge volume of 630.72 units.

Secondary 6,663
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