14,813 plants indexed.
Mark Twain State Park and H wastewater treatment plant in Monroe County, Missouri, serves 70 people with advanced treatment. It discharges 26.50 volume units daily, with a designed capacity of 37.85 units.
Marked Tree WWTP is a secondary treatment plant serving 2,566 people in Marked Tree, Arkansas. It discharges treated wastewater into the local watershed, ultimately draining toward the Mississippi River.
MARKEY TWP WWTF is a secondary treatment plant serving 2,424 residents in Markey Township, Michigan. It discharges treated wastewater into the local watershed, operating under US EPA NPDES regulations.
MARKLESBURG AUTH is an advanced wastewater treatment plant in Marklesburg, Pennsylvania, serving 315 people. It discharges 75.71 units of treated wastewater, operating under US Clean Water Act regulations.
MARKLEYSBURG STP is a secondary wastewater treatment plant in Henry Clay Township, Pennsylvania, serving approximately 380 people. It discharges treated effluent into local waterways within the Ohio River basin.
MARLAND PWA WWT is a secondary treatment plant serving 280 people in Old Bliss, Oklahoma. It discharges 75.71 thousand cubic meters annually and operates under US EPA NPDES regulations.
Marlborough T Marlboro STP is a secondary treatment plant serving 850 people in Marlboro, New York. It discharges 355.83 thousand gallons per day into the Hudson River watershed.
Marlborough T STP and On Site Syst in Milton, New York, is a secondary treatment plant serving 105 people. It discharges 37.85 units of treated wastewater daily, with a designed capacity of 208.20 units.
MARLINTON WWTP is a secondary treatment facility serving approximately 2,500 people in Marlinton, West Virginia. It discharges 416.40 thousand cubic meters of treated wastewater annually, with a designed capacity of 567.81 thousand cubic meters.
MARLOW EAST WWT is a secondary treatment plant serving Marlow, Oklahoma. It discharges 719.23 units of treated wastewater daily, operating under US EPA NPDES regulations.
Marlow Northwest WWT is a secondary treatment plant serving 1,378 people in Grady County, Oklahoma. It discharges approximately 530 m³/day of treated wastewater into local waterways.
Marlow Southwest WWT is a secondary treatment plant serving 1,378 people in Marlow, Oklahoma. It discharges 529.96 volume units daily with a designed capacity of 567.81 volume units.
Marmaduke WWTP is a secondary treatment facility serving approximately 1,111 people in Marmaduke, Arkansas. It discharges treated wastewater into the local watershed within the Mississippi River basin.
Marmarth Lagoon is a secondary treatment plant serving 95 people in Marmarth, North Dakota. It discharges 75.71 cubic meters of treated wastewater, operating under US EPA NPDES regulations.
MAROA STP is an advanced wastewater treatment plant serving Maroa, Illinois. It treats municipal wastewater for a population of 1,531 with a designed capacity of 1,362.74 million gallons per day.
MARQUAND WWTP is an advanced treatment facility serving 203 people in Marquand, Missouri. It discharges 117.35 units of treated wastewater daily, with a designed capacity of 132.49 units.
MARQUETTE WWTP is a secondary treatment plant serving 282 people in Marquette, Nebraska. It discharges 90.85 units of treated wastewater daily, operating under US EPA NPDES regulations.
MARQUETTE WWTP is a secondary treatment plant serving approximately 1,000 people in Marquette, Iowa. It discharges 227.13 thousand cubic meters per year and has a designed capacity of 590.52 thousand cubic meters per year.
MARQUETTE WWTP in McPherson County, Kansas, provides secondary treatment for a small population of 542. The plant discharges 204.41 volume units and has a designed capacity of 253.62.
Mars Hill WWTP is a secondary treatment plant in Blaine, Maine, serving approximately 1,673 people. It discharges treated wastewater inland, with a design capacity of 3,785.40 cubic meters per day.