12,948 plants indexed worldwide.
Plants located within 50 km of a coastline.
Oak Island Satellite WWTP is an advanced treatment facility serving 830 people in Oak Island, North Carolina. It discharges 378.54 m³/day of treated wastewater near the Atlantic coast.
Oak Shores WWTF is a secondary treatment plant serving 751 residents in Oak Shores, California. It discharges 193.06 volume units daily, with a designed capacity of 287.69 volume units.
Oakfield STP is an advanced wastewater treatment plant serving 1,240 people in Oakfield, Wisconsin. It discharges 745.73 units of treated effluent daily, with a designed capacity of 1,154.55 units.
Oakfield V WWTP serves the Village of Oakfield, New York, with secondary treatment for a population of 1,675. The plant discharges treated wastewater into local waterways within the Genesee River basin.
Oakmont WWTP is a secondary treatment plant in Santa Rosa, California, serving 2,300 people. It discharges 757.08 m³/day of treated wastewater into local waterways.
Oakura wastewater treatment plant in Ōakura, Northland, New Zealand, serves 107 people with advanced treatment. It discharges treated wastewater near the coast, supporting local water quality.
Oamaru Bay wastewater treatment plant serves the small community of Coromandel in Waikato, New Zealand. It provides primary treatment and discharges treated wastewater near the coast.
Oban wastewater treatment plant serves the Stewart Island / Rakiura community in New Zealand's Southland region.
Obidos wastewater treatment plant in Portugal serves 3,000 people with secondary treatment. It discharges 500.19 m³/day and has a designed capacity of 3,300 m³/day, located near the coast.
Occidental WWTF is a secondary treatment plant serving 2,543 people in Santa Rosa, California. It discharges treated wastewater into the local watershed, operating under US EPA and state regulations.
Ocean Beach V STP is a secondary treatment plant in Town of Islip, New York, serving 4,638 people. It discharges 866.86 thousand cubic meters annually and is located within 10 km of the coast.
Ocean Isle Beach WWTP is a secondary treatment plant serving 25,550 people in North Carolina, USA. It discharges 757.08 megaliters of treated wastewater annually, with a designed capacity of 6,056.64 megaliters.
Oceana Marin WWTF is a secondary treatment plant in Novato, California, serving 526 people. It discharges 75.71 units of treated wastewater and is located within 10 km of the coast.
Oceanview wastewater treatment plant in uMhlathuze Local Municipality, KwaZulu-Natal, South Africa, serves 3,700 people with secondary treatment. It discharges 500 m³/day near the coast.
Ockelbo ARV is an advanced wastewater treatment plant serving approximately 2,900 people in Ockelbo, Sweden. It operates under Swedish environmental regulations and EU directives.
Oconto Falls STP is an advanced wastewater treatment plant serving 2,921 people in Oconto Falls, Wisconsin. It discharges treated water into the local watershed, ultimately reaching Lake Michigan.
Oconto WWTP is a secondary treatment plant serving 6,063 people in Oconto, Wisconsin. It discharges 859.29 thousand cubic meters of treated wastewater annually, with a designed capacity of 6,851.57 thousand cubic meters.
Ocoroni wastewater treatment plant serves Santiago de Ocoroni in Sinaloa, Mexico, with secondary treatment. It processes 250.56 m³/day of wastewater, operating at 87.9% of its designed capacity of 285.12 m³/day.
Ocuituco wastewater treatment plant in Morelos, Mexico, serves 2,464 people with secondary treatment. It discharges 233.28 cubic meters daily, operating at 27% of its 864 m³/day design capacity.
Oczyszczalnia biologiczna w Osinie is a secondary treatment plant serving 794 people in Osina, Poland. It discharges 113.21 m³/day and has a designed capacity of 2020 m³/day.