Overview
Gaeiras wastewater treatment plant serves Óbidos, Portugal, with advanced treatment for 2,000 people. It discharges 333.46 m³/day and is located within 10 km of the coast.
The Gaeiras wastewater treatment plant is located in Óbidos, Leiria District, Portugal, serving a population of approximately 2,000. The facility is situated near the Atlantic coast, within 10 km of the shoreline, and operates under Portuguese and EU regulations. The plant provides advanced treatment, which goes beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive for agglomerations of this size. The designed capacity is 2,534 m³/day, with a current discharge volume of 333.46 m³/day, indicating ample reserve capacity. Treated effluent is discharged into the local watershed, which ultimately drains into the Atlantic Ocean. The coastal location means the plant plays a key role in protecting marine water quality and supporting the ecological health of the region's coastal and estuarine environments.
Environmental context
The plant discharges into the Atlantic Ocean via local watercourses in the Óbidos region. The coastal environment supports diverse marine life and is important for local fisheries and tourism. Advanced treatment helps minimize nutrient and pollutant loads, protecting sensitive coastal ecosystems from eutrophication and contamination.
Frequently asked questions
The Gaeiras WWTP is located at EN 8, Casal do Zambujeiro, in the parish of Santa Maria, São Pedro e Sobral da Lagoa, Óbidos, Leiria District, Portugal.
The plant serves a population of approximately 2,000 people in the Óbidos area.
The plant discharges treated effluent into local watercourses that flow to the Atlantic Ocean, given its coastal location within 10 km of the coast.
The plant provides advanced treatment, which exceeds the secondary treatment standard required by the EU Urban Waste Water Treatment Directive for agglomerations of this size.
The plant operates under Portuguese national regulations implementing the EU Urban Waste Water Treatment Directive, which mandates appropriate treatment for discharges into sensitive coastal areas.
Nearby plants