Overview
ETAR Las Galletas is a municipal wastewater treatment plant serving Arona, Tenerife, Canary Islands, Spain. It treats wastewater from a population equivalent of 10,290 and has a designed capacity of 1.00 cubic meters per day.
ETAR Las Galletas is a wastewater treatment facility located in the coastal town of Las Galletas, within the municipality of Arona on the island of Tenerife, Canary Islands, Spain. The plant serves a population equivalent of approximately 10,290 residents and visitors, reflecting its role in supporting the local community and tourism sector in this popular destination. As a plant in Spain, ETAR Las Galletas operates under the European Union's Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The directive also mandates more advanced treatment if the discharge enters sensitive areas, such as coastal zones with ecological importance. The plant's designed capacity is 1.00 cubic meters per day, indicating a small-scale facility typical for a coastal town. The treated effluent from ETAR Las Galletas is discharged into the Atlantic Ocean, given its proximity to the coast. The Canary Islands are known for their unique marine ecosystems, including seagrass meadows and coral reefs, which are sensitive to nutrient pollution. Proper treatment is essential to protect these habitats and maintain water quality for tourism and local fisheries.
Environmental context
ETAR Las Galletas discharges treated wastewater into the Atlantic Ocean near the southwestern coast of Tenerife. The receiving waters are part of the Canary Current, a major ocean current that supports diverse marine life, including sea turtles, cetaceans, and pelagic fish. The coastal zone is ecologically sensitive, with seagrass beds and rocky reefs that provide nursery habitats. Nutrient inputs from wastewater must be carefully managed to prevent eutrophication and algal blooms, which can degrade water quality and harm marine biodiversity.
Frequently asked questions
ETAR Las Galletas is located in the town of Las Galletas, within the municipality of Arona on the southwestern coast of Tenerife, Canary Islands, Spain.
The plant serves a population equivalent of approximately 10,290, covering residents and seasonal tourists in the Las Galletas area.
The treated effluent is discharged into the Atlantic Ocean, as the plant is located within 50 km of the coast. The discharge is regulated under Spanish and EU water quality standards.
As a Spanish plant, ETAR Las Galletas operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations over 2,000 population equivalent. Coastal discharges may require additional treatment to protect sensitive marine areas.
For agglomerations of this size, secondary treatment (biological treatment) is standard under EU directives. In coastal areas like the Canary Islands, plants may also implement nutrient removal to protect marine ecosystems from eutrophication.
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