12,948 plants indexed worldwide.
Plants located within 50 km of a coastline.
OSCODA TWP WWTP in Baldwin Township, Michigan, serves about 7,248 people with advanced treatment. The plant discharges 567.81 volume units and is located within 10 km of the coast, highlighting its role in protecting Lake Huron's water quality.
OSENTO is a secondary wastewater treatment plant serving 2,000 people in Atessa, Italy. It discharges 395.93 units of treated effluent and operates under EU Urban Waste Water Treatment Directive standards.
Osi Szennyviztisztito Telep is an advanced wastewater treatment plant in Ősi, Hungary, serving approximately 1,810 people. It operates with a designed capacity of 1,750 m³/day and discharges 213.37 m³/day of treated effluent.
OSILO_LOC_CALABONA is an advanced wastewater treatment plant serving Òsile/Osilo, Sardinia, Italy. It treats wastewater for approximately 3,112 people with a designed capacity of 4,300 m³/day.
Oskarstroms ARV Ref 145004 is an advanced wastewater treatment plant in Oskarström, Sweden, serving about 4,665 people. It discharges treated water into the local watershed, contributing to the protection of the Kattegat sea.
Osku Szennyviztisztito Telep is an advanced wastewater treatment plant in Pétfürdő, Hungary, serving 2,120 people. It discharges 249.91 m³/day of treated effluent into the local watershed within the Danube basin.
OSLOS wastewater treatment plant serves Øsløs, Denmark, with advanced treatment for a population of 2,092. It discharges 657 m³/day and has a designed capacity of 5,000 m³/day.
Oso Nuevo y Oso Viejo is a secondary wastewater treatment plant in Oso Viejo, Sinaloa, Mexico, serving about 3,081 people. It discharges treated water into local water bodies within the Culiacán region.
OSPEDALETTI wastewater treatment plant serves 4,000 people in Ospedaletti, Liguria, Italy. It provides primary treatment and discharges 791.86 m³/day, located within 10 km of the coast.
Ossingen wastewater treatment plant in Ossingen, Zurich, Switzerland, serves a population of 2,038 with advanced treatment. The plant has a designed capacity of 3,000 m³/day and discharges 925.09 m³/day.
OSTED is an advanced wastewater treatment plant in Osted, Region Sjælland, Denmark, serving a population of 3,619. It discharges 924.87 m³/day and has a designed capacity of 5,500 m³/day.
Ostenfeld wastewater treatment plant in Schleswig-Holstein, Germany, serves 1,413 people with secondary treatment. The plant is now closed, having discharged into the local watershed near the North Sea coast.
Osterby wastewater treatment plant in Schleswig-Holstein, Germany, served 975 people with advanced treatment before closure. The plant had a design capacity of 1,500 m³/day and discharged 246.75 m³/day.
Osteria Nuova is an advanced wastewater treatment plant serving 4,200 people in Roma, Lazio, Italy. It discharges 831.45 m³/day of treated effluent into the local water system.
Oswego T Sleepy Hollow STP is an advanced treatment plant in Town of Parish, New York, serving a small population of 100. It discharges 37.85 thousand cubic meters annually near the coast.
OTA PORTO is a secondary wastewater treatment plant in Porto, Corse, France, serving 3,400 people. It discharges treated effluent near the coast of Corsica, with a designed capacity of 7,000 m³/day.
Otane wastewater treatment plant serves 640 people in Central Hawke's Bay District, New Zealand, providing secondary treatment. It discharges an average of 201.31 cubic meters per day, protecting local waterways.
Otautau wastewater treatment plant serves 892 people in Wallace Takitimu Community, Southland, New Zealand.
OTISVILLE LAGOON CS is an advanced treatment plant in Genesee County, Michigan, serving 712 people. It discharges 264.98 million gallons per year, operating under US EPA NPDES regulations.
Otorohanga Wastewater Treatment Plant serves the Otorohanga District in Waikato, New Zealand, providing secondary treatment for a population of 2,886. It discharges approximately 780.70 cubic meters of treated wastewater daily.