Overview
Viana do Castelo zona industrial is a wastewater treatment plant in Anha, Portugal, serving 42,000 people. It is located near the coast and operates under the EU Urban Waste Water Treatment Directive.
Viana do Castelo zona industrial is a wastewater treatment plant located in the parish of Anha, near the city of Viana do Castelo in northern Portugal. The facility serves a population of 42,000, placing it within the medium agglomeration category under EU regulations. Its coastal location, approximately 8 km from the Atlantic Ocean, influences its operational and environmental context. As a plant serving a population equivalent of 42,000, it falls under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for discharges into coastal waters. The directive also mandates more advanced treatment if the receiving area is designated as sensitive. The plant discharges treated wastewater into the Atlantic Ocean via the nearby coast, contributing to the protection of the region's marine and coastal ecosystems. The Lima River estuary, a nearby important ecological area, supports diverse aquatic life and migratory bird species. Proper treatment at this facility helps maintain water quality in the coastal zone, which is vital for local fisheries and tourism.
Environmental context
The plant discharges into the Atlantic Ocean near the Lima River estuary, which supports diverse aquatic life and serves as an important migratory corridor for birds. The coastal waters of northern Portugal are influenced by the Canary Current, providing nutrient-rich conditions that sustain local fisheries. Effective wastewater treatment is essential to prevent eutrophication and protect marine biodiversity in this ecologically sensitive area.
Frequently asked questions
The plant is located at Praia do Rodanho, in the parish of Anha, near the city of Viana do Castelo in northern Portugal.
The plant serves a population of 42,000, classifying it as a medium-sized agglomeration under EU regulations.
The plant discharges treated wastewater into the Atlantic Ocean via the nearby coast, as it is located within 50 km of the coastline.
As a Portuguese plant serving over 10,000 people, it operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for coastal discharges.
Under the EU Urban Waste Water Treatment Directive, plants serving between 10,000 and 150,000 people are required to provide secondary treatment, with tertiary treatment if discharging into sensitive areas.
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