Overview
ETAR de Los Silos is a primary treatment plant serving 3,248 people in Los Silos, Canary Islands, Spain. It discharges 588.69 m³/day of treated wastewater near the coast.
ETAR de Los Silos is a wastewater treatment plant located in the coastal town of Los Silos on the island of Tenerife, part of the Canary Islands, Spain. The plant serves a population of approximately 3,248 residents and has a designed capacity of 10,000 m³/day, with a current discharge volume of 588.69 m³/day. As a primary treatment facility, ETAR de Los Silos provides basic physical treatment to remove settleable solids. Under Spanish and EU regulations, plants serving agglomerations of this size are typically required to meet secondary treatment standards under the Urban Waste Water Treatment Directive (91/271/EEC). The plant's primary-only treatment level may reflect local conditions or transitional arrangements. The treated effluent is discharged into the coastal waters of the Atlantic Ocean near Los Silos. The Canary Islands are a biodiversity hotspot with sensitive marine ecosystems, including seagrass meadows and coral reefs. The discharge location is within 10 km of the coast, making proper treatment essential to protect the marine environment and local tourism-dependent economy.
Environmental context
The plant discharges into the Atlantic Ocean near Los Silos on the northwestern coast of Tenerife. The coastal waters are part of the Macaronesian biogeographic region, supporting diverse marine life including sea turtles, cetaceans, and endemic fish species. The discharge area is near ecologically sensitive habitats such as seagrass beds and rocky reefs, which require protection from nutrient and pollutant loads.
Frequently asked questions
ETAR de Los Silos is located in Los Silos, a coastal town on the island of Tenerife in the Canary Islands, Spain. The address is Charco los Topos, Los Silos, Santa Cruz de Tenerife, Canarias.
The plant serves a population of approximately 3,248 people in the Los Silos area.
The plant discharges treated wastewater into the Atlantic Ocean near the coast of Los Silos. The discharge volume is 588.69 cubic meters per day.
ETAR de Los Silos provides primary treatment, which involves physical processes like sedimentation to remove solids. Under the EU Urban Waste Water Treatment Directive, plants serving agglomerations of this size typically require secondary treatment, but primary treatment may be permitted in certain coastal areas with favorable dispersion conditions.
The plant operates under Spain's implementation of the EU Urban Waste Water Treatment Directive (91/271/EEC). For agglomerations between 2,000 and 10,000 population equivalent, the directive requires secondary treatment unless the discharge is into coastal waters with high dispersion, where primary treatment may be acceptable. The plant's coastal location likely influences its regulatory classification.
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