LA IRUELA Wastewater Treatment Plant, La Iruela, Andalucía, Spain

LA IRUELA is a wastewater treatment plant located in La Iruela, a municipality in the province of Jaén, Andalucía, Spain. The plant serves a small population of 1,091 people and is classified as a secondary treatment facility. It is situated inland, away from coastal areas, and its operations are currently closed. As a secondary treatment plant, LA IRUELA would have provided biological treatment to remove organic matter and suspended solids. The designed capacity of 1,091 cubic meters per day matches the population served, indicating a per capita flow of 1 cubic meter per day. Under Spanish and EU regulations, small agglomerations like this are subject to the Urban Waste Water Treatment Directive, which requires appropriate treatment based on receiving water sensitivity. Given its location in the mountainous region of Sierra de Cazorla, it likely discharges to a local stream or river within the Guadalquivir basin. The area is ecologically sensitive, supporting diverse aquatic life and contributing to the overall health of the Guadalquivir River system, which flows into the Atlantic Ocean at the Gulf of Cádiz.

The plant is located inland in the Sierra de Cazorla region, part of the Guadalquivir River basin. The Guadalquivir River flows southwest through Andalucía and discharges into the Atlantic Ocean at the Gulf of Cádiz. The watershed supports diverse aquatic habitats and is important for migratory bird species. The area is ecologically sensitive, with high biodiversity and protected natural landscapes.