Overview
ISTAN wastewater treatment plant in Istán, Andalucía, Spain, serves 1,334 people with secondary treatment. The plant is closed and located within 10 km of the coast.
ISTAN is a wastewater treatment plant located in Istán, a municipality in the Sierra de las Nieves region of Málaga, Andalucía, Spain. The plant serves a population of 1,334 and is situated near the Mediterranean coast, within 10 km of the shoreline. It is currently closed and no longer operational. As a secondary treatment facility, ISTAN would have provided biological treatment to reduce organic matter and suspended solids. For a small agglomeration of this size, secondary treatment meets the requirements of the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for inland discharges and more stringent treatment for sensitive areas. The plant's designed capacity was 1,600 m³/day, with an average discharge volume of 241.78 m³/day. The plant's discharge likely flowed into local streams or groundwater that drain toward the Mediterranean Sea. The region is ecologically sensitive, supporting diverse aquatic life and contributing to the coastal water quality of the Alboran Sea. Reducing local discharge impacts.
Environmental context
The plant is located in the Sierra de las Nieves, a mountainous area near the Mediterranean coast. Local watercourses drain into the Mediterranean Sea, specifically the Alboran Sea, which supports diverse marine ecosystems. The region's coastal waters are ecologically sensitive, hosting important fisheries and migratory species. The plant's proximity to the coast (within 10 km) means that any discharge could directly affect nearshore water quality and marine habitats.
Frequently asked questions
The ISTAN wastewater treatment plant is located in Istán, a municipality in the province of Málaga, Andalucía, Spain. It is situated in the Sierra de las Nieves region, near the Mediterranean coast.
The ISTAN plant serves a population of 1,334 people, making it a small-scale treatment facility for the local community.
The plant is located within 10 km of the coast, so treated wastewater likely discharged into local streams or groundwater that ultimately flow into the Mediterranean Sea. The plant is currently closed.
The ISTAN plant provides secondary treatment, which involves biological processes to reduce organic matter and suspended solids. This meets the EU Urban Waste Water Treatment Directive requirements for small agglomerations.
As a Spanish plant, ISTAN operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which sets standards for collection, treatment, and discharge of urban wastewater. For small agglomerations like Istán, secondary treatment is typically required.
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