26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
Anhui wastewater treatment plant serves Lingbi County in Suzhou, Anhui Province, China, with a population of 160,000. The facility operates under China's national wastewater regulations.
Anhui wastewater treatment plant serves Suzhou, Anhui, China, with a designed capacity of 1.00 (unit unspecified) and a population served of 150,000. It operates under China's national wastewater regulations.
Anhui wastewater treatment plant serves 640,000 people in Yongqiao District, Suzhou, Anhui Province, China. It operates under national wastewater regulations for large agglomerations.
Anhui wastewater treatment plant serves Suzhou, Anhui, China, with a population equivalent of 180,000. The facility operates under China's national wastewater discharge standards.
Anhui wastewater treatment plant serves 190,000 people in Dangshan County, Suzhou, Anhui Province, China. The facility operates under China's national wastewater discharge standards.
The Animedu Sewage Treatment Plant in Salem South, Tamil Nadu, India, is a proposed facility serving approximately 40,087 people. It will play a key role in managing municipal wastewater in the region.
ANKENY SE STP serves approximately 18,842 residents in Ankeny, Iowa. The plant operates under the U.S. Clean Water Act, which mandates secondary treatment for municipal wastewater.
Anklam wastewater treatment plant serves approximately 30,394 people in Mecklenburg-Vorpommern, Germany. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Ann Arbor WWTP serves approximately 150,000 people in Ann Arbor Charter Township, Michigan. The plant discharges treated wastewater into the Huron River, a tributary of Lake Erie.
ANNA STP serves Union County, Illinois, treating wastewater for approximately 5,136 residents. The plant operates under U.S. EPA and Illinois EPA regulations, ensuring compliance with Clean Water Act standards.
Anna WWTP serves 6,900 people in Anna, Texas, as part of the city's municipal wastewater infrastructure. The plant operates under the U.S. Clean Water Act, with NPDES permits issued by the Texas Commission on Environmental Quality.
Annacis Island Wastewater Treatment Plant in Delta, British Columbia, Canada, serves over 1.1 million people as a major municipal facility in Metro Vancouver. It is located near the Fraser River and operates under Canadian federal and provincial reg
Annan Kenziels STW serves approximately 13,145 people in Annan, Dumfries and Galloway, Scotland. The plant discharges treated wastewater into the Solway Firth via local watercourses.
Annapolis City WWTP serves 43,538 people in Annapolis, Maryland, as part of the region's municipal wastewater infrastructure. The plant is located within 50 km of the coast, discharging into the Chesapeake Bay watershed.
Annesborough wastewater treatment plant serves Annsborough, Northern Ireland, UK. It is located inland but within 50 km of the coast, treating wastewater for a population of approximately 5,877.
Anniston Choccolocco WWTP in Oxford, Alabama serves approximately 22,709 people. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge to protect local water quality.
Anniston Ft McClellan WWTP serves approximately 22,600 people in Anniston, Alabama. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge.
ANNOEULLIN SE is a municipal wastewater treatment plant serving Don, France, in the Hauts-de-France region. It treats wastewater for approximately 13,883 people.
Annonay Acantia wastewater treatment plant serves approximately 38,500 people in Annonay, Auvergne-Rhône-Alpes, France. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scal
ANNVILLE TWP STP serves North Annville Township, Pennsylvania, treating wastewater for approximately 4,700 residents. The plant operates under the US Clean Water Act framework, with NPDES permits regulating its discharge.