26,154 plants indexed worldwide.
Plants where treatment level information is not publicly available.
Castions di Strada wastewater treatment plant serves 1,292 people in Friuli-Venezia Giulia, Italy. It operates under EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this scale.
Castle Dale wastewater treatment plant serves approximately 3,080 residents in Emery County, Utah. The facility operates under the U.S. Clean Water Act, with state-issued NPDES permits governing its discharge.
Castle Donington STW serves approximately 6,900 people in North West Leicestershire, England. The plant operates under UK wastewater regulations, treating sewage from the local community before discharge.
CASTLE DOUGLAS New STW serves approximately 4,949 people in Rhonehouse, Dumfries and Galloway, Scotland. The plant operates under the UK's wastewater regulatory framework, with a designed capacity of 1.00.
Castle Hill wastewater treatment plant in Sydney, New South Wales, Australia serves a population of 243,680. The facility is operational and has a designed capacity of 1.00 (units unspecified).
Castle Rock WWTP serves 2,130 people in Castle Rock, Washington. The plant operates under the US Clean Water Act, with NPDES permits regulating its discharge.
Castlebar Waste Water Treatment Plant serves County Mayo, Ireland, treating wastewater for approximately 16,183 people. The plant operates under EU Urban Waste Water Treatment Directive standards.
Castleblayney Waste Water Treatment Plant serves County Monaghan, Ireland, treating wastewater for approximately 13,700 people under the EU Urban Waste Water Treatment Directive.
Castlederg wastewater treatment plant serves the town of Castlederg in County Tyrone, Northern Ireland. It operates under UK and EU regulations for small agglomerations.
Castleisland Waste Water Treatment Plant serves approximately 5,000 people in County Kerry, Ireland. The facility discharges into the local river system under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Castlemartyr Wastewater Treatment Plant serves 2,400 people in County Cork, Ireland. The facility operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Castlerea Waste Water Treatment Plant serves the town of Castlerea in County Roscommon, Ireland. It treats wastewater from a population of approximately 3,385 under Irish and EU regulations.
CASTLETON STW serves the Castleton area of Rochdale, Greater Manchester, England, treating wastewater for approximately 5,683 people. The plant operates under UK regulations implementing the EU Urban Waste Water Treatment Directive.
Castleton WPCF serves 4,268 people in Castleton, Vermont. The plant operates under U.S. Clean Water Act regulations, treating municipal wastewater before discharge.
Castletroy Waste Water Treatment Plant serves approximately 28,094 people in Limerick, Ireland. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
CASTRES Melou wastewater treatment plant serves Castres, Occitanie, France. It treats wastewater for approximately 219,000 people under the EU Urban Waste Water Treatment Directive.
Castrignano del Capo wastewater treatment plant serves approximately 10,294 people in Puglia, Italy. The facility is located near the coast and discharges into the Ionian Sea.
CASTRO wastewater treatment plant serves Diso, Puglia, Italy, with a population equivalent of 10,384. The plant has a designed capacity of 1.00 and operates under EU Urban Waste Water Treatment Directive standards.
Castro Cillorigo wastewater treatment plant serves Cillorigo de Liébana, Cantabria, Spain, with a designed capacity of 1.00 m³/day for a population of 2,904. It operates under Spain's national regulations implementing the EU Urban Waste Water Treatme
Castro-Urdiales wastewater treatment plant serves the coastal town of Castro-Urdiales in Cantabria, Spain. It treats wastewater from a population of approximately 54,176 under EU regulatory standards.