486 plants indexed.
MARSHALL WWT is a secondary treatment plant serving 258 people in Marshall, Oklahoma. It discharges 151.42 megaliters of treated wastewater annually, with a designed capacity of 200.63 megaliters.
Martha WWT is a secondary treatment plant serving 205 people in Martha, Oklahoma. It discharges 75.71 units of treated wastewater daily, with a designed capacity of 113.56 units.
MAUD WWT is a secondary treatment plant in Pottawatomie County, Oklahoma, serving 1,136 people. It discharges 416.40 units of treated wastewater daily, with a designed capacity of 757.08 units.
MAYSVILLE WWT is a secondary treatment plant serving 1,320 people in Garvin County, Oklahoma. It discharges approximately 530,000 gallons per day into local waterways.
McCurtain WWT is a secondary treatment plant serving 466 residents in McCurtain, Oklahoma. It discharges 189.27 megaliters of treated wastewater annually, operating under U.S. EPA NPDES regulations.
McLoud PWA WWT is an advanced wastewater treatment plant serving approximately 3,000 people in McLoud, Oklahoma. It discharges 283.91 megaliters per year and has a designed capacity of 1,173.47 megaliters per year.
MEDFORD WWT is a secondary treatment plant serving Medford, Oklahoma. It treats wastewater for approximately 1,172 residents with a designed capacity of 594.31 volume units.
Medicine Park WWT is a secondary treatment plant serving 373 residents in Medicine Park, Oklahoma. It discharges 162.77 volume units daily with a designed capacity of 170.34 volume units.
Meeker WWT is an advanced wastewater treatment plant serving approximately 978 people in Meeker, Oklahoma. It discharges treated water into local waterways under US EPA and state regulatory oversight.
MENO WWT is a secondary treatment plant serving Meno, Oklahoma. It treats wastewater for a small population of 195, with a discharge volume of 75.71 units.
Milburn WWT is a secondary treatment plant serving 326 people in Milburn, Oklahoma. It discharges treated wastewater into local waterways, supporting the region's water quality.
Mill Creek WWT is a secondary treatment plant in Johnston County, Oklahoma, serving 340 people. It discharges 75.71 units of treated wastewater daily, with a designed capacity of 151.42 units.
MILLERTON WWT is a secondary treatment plant serving Millerton, Oklahoma. It treats wastewater for a small population of 359, discharging 113.56 units of treated effluent.
MINCO WWT is a secondary treatment plant serving Minco, Oklahoma. It treats wastewater for a population of 1,672 with a designed capacity of 567.81 m³/day.
Mooreland WWT is a secondary treatment plant in Woodward County, Oklahoma, serving a population of 1,226. It discharges 378.54 m³/day of treated wastewater into local waterways.
Morris Northwest WWT is a secondary treatment plant serving 1,294 people in Morris, Oklahoma. It discharges 378.54 m³/day of treated wastewater, with a designed capacity of 908.50 m³/day.
Morrison North WWT is a secondary treatment plant in Morrison, Oklahoma, serving 318 people. It discharges 132.49 units of treated wastewater daily, with a designed capacity of 185.48 units.
Morrison South WWT is a secondary treatment plant serving 318 people in Morrison, Oklahoma. It discharges 132.49 megaliters of treated wastewater annually, with a designed capacity of 185.48 megaliters.
MOUNDS PWA WWT is a secondary treatment plant serving 1,153 people in Mounds, Oklahoma. It discharges treated wastewater into local waterways under US EPA NPDES regulations.
Mountain Park WWT is a secondary treatment plant serving 390 people in Mountain Park, Oklahoma. It discharges 151.42 megaliters per year and operates under US EPA NPDES regulations.