14,813 plants indexed. Showing 1,862 matching current filters.
Machias WWTF is a secondary treatment plant serving 1,351 people in Machias, Maine. It discharges treated wastewater near the coast, with a design capacity of 2,119.82 volume units.
Madeline SD STP is a secondary treatment plant serving 3,000 people in the Town of La Pointe, Wisconsin. It discharges treated wastewater near Lake Superior, with a capacity of 617.02 volume units.
Madisonville STP is an advanced treatment plant serving 659 people in Madisonville, Louisiana. It discharges 189.27 m³/day of treated wastewater, with a designed capacity of 302.83 m³/day.
Mahoning Twp STP is a secondary wastewater treatment plant in North East, Pennsylvania, serving 1,483 people. It discharges treated effluent near Lake Erie, with a design capacity of 624.59 volume units.
Mainland N County WWTF is an advanced treatment plant serving 1,400 people in Saint Lucie County, Florida. It discharges treated wastewater into the local watershed, supporting environmental protection in the region.
MAKOTI LAGOON is a secondary treatment plant serving 154 people in Makoti, North Dakota. It discharges 37.85 million gallons per year into local waterways.
Malibu WWTF is a secondary treatment plant serving 500 people in Malibu, California. It discharges approximately 110 million gallons per year and is located within 10 km of the Pacific coast.
Manawa WWTP is an advanced treatment plant serving 1,737 people in Manawa, Wisconsin. It discharges 601.88 million gallons per year and has a designed capacity of 772.22 million gallons per year.
Manchester Park WWTP Private is an advanced treatment plant in Singerly, Maryland, serving 173 people. It discharges 75.71 units of treated wastewater and is located within 10 km of the coast.
Manchester STP is a secondary treatment plant serving 2,310 people in Manchester, Washington. It discharges 757.08 million gallons per year into the local watershed near Puget Sound.
MANILA WWTF is a secondary treatment plant serving 785 people in Manila, Eureka, California. It discharges treated wastewater near the Pacific coast, operating under US EPA NPDES regulations.
Manteo WWTP is a secondary treatment plant serving 1,434 people in Manteo, North Carolina. It discharges 995.56 million gallons per year and is located within 10 km of the coast.
MANTON STP is a secondary wastewater treatment plant in Manton, Michigan, serving approximately 1,026 people. It discharges treated effluent into the local watershed, supporting water quality in the Great Lakes basin.
Maplewood SD 1 STP is a secondary treatment plant serving 101 people in Town of Forestville, Wisconsin. It discharges 56.78 million gallons per year and is located within 10 km of Lake Michigan.
Marathon wastewater treatment plant in Marathon, Florida, serves over 20,000 people with advanced treatment. It discharges 605.67 million gallons annually and is located within 10 km of the coast.
Marco Shores Utilities WWTP is an advanced treatment plant in Collier County, Florida, serving 450 people. It discharges 227.13 megaliters per year and has a designed capacity of 340.69 megaliters per year.
MARENISCO TWP STP is a secondary treatment plant serving 482 residents in Marenisco Township, Michigan. It discharges 113.56 megaliters of treated wastewater annually, operating under U.S. Clean Water Act regulations.
Maribel WWTP is an advanced treatment facility serving 349 people in Maribel, Wisconsin. It discharges 75.71 units of treated wastewater daily, with a designed capacity of 105.99 units.
Maricao WWTP is a secondary treatment plant serving 1,311 people in Maricao, Puerto Rico. It discharges treated wastewater near the coast, operating under U.S. EPA and Puerto Rico environmental regulations.
Marion T WWTP and Onsite Sys serves the Town of Marion, New York, with advanced treatment for a population of 1,100. The plant discharges treated wastewater into local waterways within the Lake Ontario basin.