Valliant WWT - Secondary Wastewater Treatment Plant in Valliant, Oklahoma

Valliant WWT is a municipal wastewater treatment facility located in Valliant, McCurtain County, Oklahoma. The plant serves a small population of 771 residents and operates with a designed capacity of 567.81 m³/day, currently treating 378.54 m³/day. As a secondary treatment plant, it meets the standard requirements for small communities under the US Clean Water Act. The plant's treatment process is secondary, which typically involves biological treatment to remove organic matter and suspended solids. For a facility of this scale, secondary treatment is appropriate and aligns with EPA regulations for small wastewater systems. The plant's capacity utilization is moderate, indicating room for future growth. The treated effluent is discharged into local streams that eventually drain into the Red River basin, which flows south to the Gulf of Mexico. The plant plays a key role in protecting water quality in the region, supporting aquatic life and downstream ecosystems in southeastern Oklahoma.

The plant discharges into local waterways that are part of the Red River basin, which flows into the Gulf of Mexico. This region supports diverse aquatic habitats and is important for migratory fish species. The secondary treatment ensures that nutrient and pollutant loads are reduced before discharge, helping to maintain water quality in downstream rivers and coastal areas.