Overview
Opelousas STP is a municipal wastewater treatment plant serving approximately 16,634 people in Opelousas, Louisiana. The plant discharges into local waterways within the Mississippi River basin.
Opelousas STP is a municipal wastewater treatment facility located in Opelousas, St. Landry Parish, Louisiana. It serves a population of about 16,634 residents, classifying it as a medium-sized agglomeration under U.S. regulatory frameworks. As a U.S. facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Louisiana Department of Environmental Quality. For a plant of this scale, secondary treatment is typically required to meet effluent limits for biochemical oxygen demand and total suspended solids. The plant's treated effluent is discharged into local receiving waters that ultimately drain into the Mississippi River and the Gulf of Mexico. This watershed supports diverse aquatic life and is an important ecological corridor in the region.
Environmental context
The plant discharges into the Mississippi River basin, which flows into the Gulf of Mexico. This watershed is ecologically significant, supporting a variety of fish and wildlife species. The Gulf of Mexico receives nutrient loads from upstream sources, making proper wastewater treatment critical to mitigating hypoxia and maintaining water quality in downstream coastal ecosystems.
Frequently asked questions
Opelousas STP is located at 2299 Candy Street, Opelousas, St. Landry Parish, Louisiana, United States.
Opelousas STP serves approximately 16,634 residents in the Opelousas area.
The plant discharges treated effluent into local waterways that drain into the Mississippi River basin, ultimately reaching the Gulf of Mexico.
As a U.S. facility, Opelousas STP operates under the Clean Water Act and is regulated by an NPDES permit issued by the Louisiana Department of Environmental Quality.
For a plant of this scale, secondary treatment is typically required to meet effluent limits for biochemical oxygen demand and total suspended solids, as mandated by the Clean Water Act.
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