Overview
ST MARTINVILLE STP serves Saint Martin Parish, Louisiana, treating wastewater for approximately 7,323 residents. The plant operates under the U.S. Clean Water Act framework.
ST MARTINVILLE STP is a municipal wastewater treatment plant located in Saint Martin Parish, Louisiana, serving a population of about 7,323. The facility is situated inland, more than 50 kilometers from the Gulf Coast, and plays a key role in managing local wastewater in the region's bayou country. As a U.S. plant serving a small-to-medium community, ST MARTINVILLE STP is subject to the National Pollutant Discharge Elimination System (NPDES) under the Clean Water Act. Plants of this scale typically employ secondary treatment to meet federal and state effluent standards. The designed capacity is reported at 1.00 million gallons per day, indicating the plant's intended throughput. The plant's treated effluent likely discharges into local waterways that drain into the Atchafalaya Basin or Vermilion River system, eventually reaching the Gulf of Mexico. This region supports diverse aquatic life and is part of the larger Mississippi River watershed, making proper treatment essential for protecting downstream ecosystems and water quality.
Environmental context
The plant's discharge flows into the network of bayous and canals characteristic of south-central Louisiana, which ultimately drain into the Atchafalaya Basin and then the Gulf of Mexico. This watershed supports a rich array of fish, shellfish, and migratory birds, and is ecologically sensitive due to its wetland-dependent hydrology. Proper wastewater treatment is critical to prevent nutrient loading and maintain the health of these downstream aquatic habitats.
Frequently asked questions
ST MARTINVILLE STP is located on Beefalo Drive in Saint Martin Parish, Louisiana, United States, serving the local community.
The plant serves approximately 7,323 residents in Saint Martin Parish, Louisiana.
The treated effluent is discharged into local bayous and waterways that drain into the Atchafalaya Basin, eventually reaching the Gulf of Mexico.
As a U.S. wastewater plant, ST MARTINVILLE STP operates under the Clean Water Act and is required to have an NPDES permit issued by the Louisiana Department of Environmental Quality.
Plants of this scale in the U.S. typically employ secondary treatment, which includes biological processes to remove organic matter and suspended solids, meeting EPA secondary treatment standards.
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