Overview
Guste Island wastewater treatment plant serves St. Tammany Parish, Louisiana, with a designed capacity of 1.00 million gallons per day. It treats wastewater from approximately 5,692 residents.
Guste Island is a wastewater treatment plant located in St. Tammany Parish, Louisiana, United States. It serves a population of about 5,692 people, making it a small-to-medium municipal facility. The plant is situated near the northern shore of Lake Pontchartrain, a major estuarine system in southeastern Louisiana. As a US facility, Guste Island operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting, typically administered by the Louisiana Department of Environmental Quality. Plants of this scale commonly employ secondary treatment to meet regulatory standards for discharge into sensitive water bodies. The plant's treated effluent likely discharges into the Lake Pontchartrain Basin, which drains into the Gulf of Mexico via the Rigolets and Chef Menteur Pass. Lake Pontchartrain is an ecologically important estuary supporting diverse aquatic life, including fish, shellfish, and migratory birds. The plant plays a key role in protecting water quality in this coastal watershed.
Environmental context
Guste Island discharges into the Lake Pontchartrain Basin, a large estuarine system connected to the Gulf of Mexico. The lake supports diverse aquatic habitats, including wetlands and seagrass beds, and is a critical nursery for fish and shellfish. Protecting water quality in this basin is essential for maintaining the ecological health of the northern Gulf Coast.
Frequently asked questions
Guste Island is located on Guste Island Road in St. Tammany Parish, Louisiana, United States, near the northern shore of Lake Pontchartrain.
The plant serves approximately 5,692 residents in the St. Tammany Parish area.
Treated effluent from Guste Island is discharged into the Lake Pontchartrain Basin, which drains into the Gulf of Mexico via the Rigolets and Chef Menteur Pass.
As a US facility, Guste Island operates under the Clean Water Act and is regulated by an NPDES permit issued by the Louisiana Department of Environmental Quality, which sets limits on pollutant discharges to protect water quality.
Plants of this scale in Louisiana typically employ secondary treatment, which includes biological processes to remove organic matter and suspended solids, meeting state and federal standards for discharge into sensitive estuarine waters like Lake Pontchartrain.
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