2 plants indexed.
Calvin STP is a secondary treatment plant in Hughes County, Oklahoma, serving a small population of 279. It discharges treated wastewater into local waterways, supporting the region's water quality.
Holdenville PWA WWT serves Hughes County, Oklahoma, treating wastewater for approximately 4,732 residents. The plant operates under U.S. EPA and Oklahoma DEQ regulations.
UtilityRadar indexes 2 wastewater treatment plants in Hughes County, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, CALVIN STP has the highest designed capacity at 114 m3/day.