14,813 plants indexed. Showing 1,837 matching current filters.
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.
Marshall Co SD 1 is a secondary wastewater treatment plant in Aurora, Kentucky, serving a small population of 500. The plant discharges treated wastewater near the coast of Kentucky Lake, a major reservoir on the Tennessee River.
Marshall Co SD 2 is a secondary treatment plant in Marshall County, Kentucky, serving 275 people. It discharges approximately 159 million gallons per year and has a design capacity of 567.81 million gallons.
Martingham Wastewater Treatment System serves 719 people in Saint Michaels, Maryland, discharging secondary-treated wastewater near the Chesapeake Bay.
MASON STP is a secondary wastewater treatment plant serving 93 people in Mason, Wisconsin. It discharges 26.50 units of treated effluent and has a designed capacity of 41.64 units.
MAURICE WWTP is an advanced treatment facility in Maurice, Louisiana, serving 642 people. It discharges 378.54 cubic meters of treated wastewater daily, with a designed capacity of 757.08 cubic meters.
MAX LAGOON is a secondary wastewater treatment plant in McLean County, North Dakota, serving 334 people. It discharges 75.71 million gallons per year and has a designed capacity of 151.42 million gallons.
Maybee Lagoon is a secondary wastewater treatment plant in Exeter Township, Michigan, serving 505 people. It discharges 291.48 million gallons per year and has a designed capacity of 333.12 million gallons.