Garvin WWT Wastewater Treatment Plant, Garvin, Oklahoma

Garvin WWT is a wastewater treatment facility located in Garvin, McCurtain County, Oklahoma, United States. The plant serves a small population of approximately 150 residents, reflecting its role in a rural community. It operates as a secondary treatment plant, which is a standard level for small-scale municipal facilities in the region. The plant's designed capacity is 56.78 units, and the current discharge volume matches this capacity, indicating full utilization. Under the U.S. Clean Water Act, such facilities are typically regulated through the National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Oklahoma Department of Environmental Quality. Secondary treatment is the minimum requirement for municipal wastewater plants under federal regulations. The treated effluent from Garvin WWT is discharged into local waterways that ultimately drain into the Red River basin, which flows south to the Gulf of Mexico. The plant's operations help protect downstream water quality in this ecologically important watershed, which supports diverse aquatic life and provides water for agriculture and communities.

Garvin WWT discharges into local streams that are part of the Red River basin, which flows through Oklahoma, Texas, Arkansas, and Louisiana before emptying into the Gulf of Mexico. The Red River watershed supports a variety of aquatic species and provides critical habitat for migratory birds. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting downstream water quality in this ecologically sensitive region.