Overview
ETAR de Puerto de Santiago is a wastewater treatment plant serving Santiago del Teide in the Canary Islands, Spain. It treats wastewater from approximately 12,539 residents.
ETAR de Puerto de Santiago is a wastewater treatment facility located in Puerto Santiago, a coastal town in the municipality of Santiago del Teide on the island of Tenerife, Canary Islands, Spain. The plant serves a population of about 12,539 people, making it a medium-sized agglomeration under Spanish and EU regulations. As a Spanish facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The plant's coastal location subjects it to stringent discharge standards to protect marine environments. The treated effluent is discharged into the Atlantic Ocean, as the plant is situated within 50 km of the coast. The surrounding waters support diverse marine life and are part of the Macaronesian biogeographic region, which includes ecologically sensitive habitats such as seagrass meadows and coral communities. Proper treatment is essential to prevent nutrient pollution and protect coastal water quality.
Environmental context
The plant discharges into the Atlantic Ocean near the western coast of Tenerife. The receiving waters are part of the Canary Current Large Marine Ecosystem, which supports a rich biodiversity including cetaceans, sea turtles, and endemic fish species. The coastal zone is also important for tourism and local fisheries, making nutrient and pathogen removal critical to prevent eutrophication and maintain recreational water quality standards.
Frequently asked questions
ETAR de Puerto de Santiago is located in Puerto Santiago, a coastal town in the municipality of Santiago del Teide, on the island of Tenerife, Canary Islands, Spain.
The plant serves approximately 12,539 residents, classifying it as a medium-sized agglomeration under EU regulations.
The treated wastewater is discharged into the Atlantic Ocean, as the plant is located within 50 km of the coast. Discharge is regulated under Spanish and EU standards to protect marine ecosystems.
As a Spanish wastewater treatment plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size and additional nutrient removal in sensitive coastal areas.
For agglomerations between 10,000 and 150,000 population equivalent, the EU directive requires secondary treatment. In coastal areas like the Canary Islands, plants often include disinfection to meet bathing water quality standards.
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