Overview
LEESVILLE STP serves approximately 18,000 people in Chateau Place, Louisiana. The plant operates under U.S. EPA NPDES permitting and discharges to local waterways within the Sabine River basin.
LEESVILLE STP is a municipal wastewater treatment plant located in Chateau Place, Vernon Parish, Louisiana. It serves a population of about 18,000 residents, placing it in the medium-agglomeration category for U.S. facilities. The plant is situated inland, more than 50 kilometers from the Gulf Coast. As a U.S. facility, LEESVILLE STP 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. The plant discharges treated effluent into local streams that ultimately flow into the Sabine River, which drains into Sabine Lake and then the Gulf of Mexico. The surrounding watershed supports diverse aquatic habitats and is important for regional water quality management in western Louisiana.
Environmental context
The plant's discharge enters tributaries of the Sabine River, which flows southward to Sabine Lake and the Gulf of Mexico. This watershed supports a variety of fish and wildlife, including species that rely on healthy water quality. The region's flat coastal plain and seasonal rainfall patterns make proper treatment essential to prevent nutrient loading and protect downstream estuarine ecosystems.
Frequently asked questions
LEESVILLE STP is located on Earnest Williams Road in Chateau Place, Vernon Parish, Louisiana, United States.
The plant serves approximately 18,000 residents in the Chateau Place area.
The plant discharges treated effluent into local streams that are part of the Sabine River watershed, which ultimately flows to the Gulf of Mexico.
As a U.S. facility, LEESVILLE STP operates under the Clean Water Act and is regulated via an NPDES permit issued by the Louisiana Department of Environmental Quality.
For a plant of this size, secondary treatment is the federal minimum standard under the Clean Water Act, though many facilities may employ additional nutrient removal or disinfection steps depending on local permit requirements.
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