Overview
HARO wastewater treatment plant serves the city of Haro in La Rioja, Spain. It treats wastewater from approximately 33,957 people as part of the region's municipal infrastructure.
The HARO wastewater treatment plant is located in the industrial area of Fuente Ciega in Haro, La Rioja, Spain. It serves a population of approximately 33,957 people, placing it in the medium agglomeration category under European Union regulations. The plant is situated inland, away from coastal areas, and its operations are integral to the local sanitation network. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations of this size are required to provide secondary treatment as a minimum. The plant is expected to comply with these standards. The regulatory framework in Spain, transposing the directive, ensures that such facilities meet effluent quality requirements to protect receiving waters. The treated effluent from the HARO plant is discharged into the local water system, which ultimately drains into the Ebro River basin. The Ebro River is one of Spain's major rivers, flowing into the Mediterranean Sea. The plant plays a crucial role in maintaining water quality in the region, supporting both ecological health and downstream water uses.
Environmental context
The HARO plant discharges into the Ebro River basin, which flows through northeastern Spain before reaching the Mediterranean Sea. The Ebro River supports diverse aquatic life and is an important migratory corridor for fish species. The plant's operations help protect this downstream environment by reducing pollutant loads, contributing to the ecological health of the river and its delta.
Frequently asked questions
The HARO plant is located in the Polígono Industrial Fuente Ciega in Haro, La Rioja, Spain.
The plant serves approximately 33,957 people, classifying it as a medium-sized agglomeration under EU regulations.
The treated effluent is discharged into the local water system, which flows into the Ebro River basin and eventually reaches the Mediterranean Sea.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), transposed into Spanish law, which requires secondary treatment for agglomerations of this size.
Under the EU directive, plants serving between 10,000 and 100,000 people are required to provide secondary treatment, which typically involves biological processes to reduce organic matter and suspended solids.
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