Overview
PORTLAND STP serves Portland, Texas, treating wastewater for approximately 15,800 residents. The plant discharges into the local watershed near the Gulf Coast.
PORTLAND STP is a municipal wastewater treatment facility located in Portland, San Patricio County, Texas, serving a population of about 15,800. The plant is situated near the Gulf Coast, within 50 km of the coast, and plays a key role in managing wastewater for this community. The plant operates under the U.S. Clean Water Act, which requires NPDES permits for discharges. For a facility of this scale, secondary treatment is typical, and the plant's designed capacity is 1.00 million gallons per day, indicating a moderate-sized operation. The treated effluent is discharged into the local watershed, which ultimately drains into the Gulf of Mexico via nearby rivers and estuaries. This coastal environment supports diverse aquatic life and is ecologically sensitive, making proper treatment essential for protecting water quality and marine habitats.
Environmental context
The plant's discharge enters the Nueces River basin, which flows into the Nueces Estuary and then the Gulf of Mexico. This coastal ecosystem supports important fisheries and migratory bird populations, requiring careful management of nutrient and pollutant loads to prevent eutrophication and habitat degradation.
Frequently asked questions
PORTLAND STP is located at 1164 Moore Avenue in Portland, Texas, within San Patricio County.
The plant serves approximately 15,800 residents in the Portland area.
The plant discharges treated effluent into the local watershed, which flows into the Nueces River basin and eventually reaches the Gulf of Mexico.
As a U.S. facility, PORTLAND STP operates under the Clean Water Act and must comply with an NPDES permit issued by the Texas Commission on Environmental Quality.
For a plant of this size, secondary treatment is standard, which includes biological processes to reduce organic matter and suspended solids before discharge.
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