Tete Bayou STP - Iberia Parish, Louisiana Wastewater Treatment Plant

Tete Bayou STP is a municipal wastewater treatment facility located in Iberia Parish, Louisiana, serving a population of approximately 18,600. The plant is situated in the southern United States, within the Mississippi River Basin, and plays a key role in managing wastewater for this community. As a U.S. facility, Tete Bayou STP operates under the Clean Water Act, which requires National Pollutant Discharge Elimination System (NPDES) permits for all discharges. For a plant of this scale, secondary treatment is typically mandated, and the designed capacity is 1.00 million gallons per day, indicating a moderate-sized facility. The plant's treated effluent is discharged into the local watershed, which ultimately drains into the Gulf of Mexico via the Mississippi River system. This discharge must meet state and federal water quality standards to protect downstream aquatic ecosystems, including sensitive coastal habitats in the Gulf region.

Tete Bayou STP discharges into the Tete Bayou watershed, part of the larger Mississippi River Basin that drains into the Gulf of Mexico. The Gulf Coast supports diverse marine life, including fish, shrimp, and migratory birds. Nutrient loading from wastewater can contribute to hypoxic zones, making effective treatment critical for downstream ecological health.