Overview
ISCAR wastewater treatment plant serves Íscar in Castilla y León, Spain, with a population equivalent of 12,700. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this size.
The ISCAR wastewater treatment plant is located in Íscar, a municipality in the province of Valladolid, within the autonomous community of Castilla y León, Spain. The plant serves a population equivalent of 12,700, classifying it as a medium-sized agglomeration under EU regulations. As a Spanish facility, ISCAR operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations with a population equivalent between 2,000 and 15,000. The directive also mandates more advanced treatment if the receiving waters are designated as sensitive areas. The regulatory framework ensures compliance with European standards. The treated effluent from ISCAR is discharged into the local watershed, which ultimately drains into the Duero River basin. The Duero River flows westward through Spain and into Portugal, emptying into the Atlantic Ocean near Porto. The region's aquatic ecosystems support diverse species, including migratory fish, and the plant's operation helps protect water quality in this important river system.
Environmental context
The ISCAR plant discharges into the Duero River basin, a major hydrological system that flows through northern Spain and Portugal before reaching the Atlantic Ocean. The Duero supports diverse aquatic life and is an important migratory corridor for fish species. The surrounding area is primarily agricultural, and the plant's treatment helps mitigate nutrient loading and protect downstream water quality.
Frequently asked questions
The ISCAR plant is located on VP-1001 in Íscar, Valladolid, in the autonomous community of Castilla y León, Spain.
The plant serves a population equivalent of 12,700, classifying it as a medium-sized agglomeration under EU regulations.
The treated effluent is discharged into the local watershed, which flows into the Duero River basin and eventually reaches the Atlantic Ocean.
As a Spanish plant serving 12,700 PE, ISCAR falls under the EU UWWTD (91/271/EEC), which requires secondary treatment for agglomerations between 2,000 and 15,000 PE. Additional treatment may be needed if the receiving waters are sensitive.
Under the EU UWWTD, plants of this scale in Spain are typically required to provide secondary treatment (biological treatment) as a minimum. In sensitive areas, tertiary treatment for nutrient removal may be mandated.
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