Piedrabuena Wastewater Treatment Plant: Serving Piedrabuena, Castilla-La Mancha, Spain

Piedrabuena wastewater treatment plant is located in the municipality of Piedrabuena, in the province of Ciudad Real, Castilla-La Mancha, Spain. The plant serves a population of approximately 5,600 people, classifying it as a small agglomeration under EU regulations. As a Spanish facility, the plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size. The directive also mandates appropriate treatment before discharge into freshwater bodies to protect the environment. The plant's treated effluent is discharged into the local watershed, which ultimately drains into the Guadiana River basin. The Guadiana River flows westward through Spain and Portugal before reaching the Gulf of Cádiz in the Atlantic Ocean. The plant plays a key role in protecting the water quality of this important river system.

The Piedrabuena plant discharges into the Guadiana River basin, a major Iberian watershed that flows into the Atlantic Ocean via the Gulf of Cádiz. The Guadiana River supports diverse aquatic life and is an important ecological corridor in the region. The plant's treatment helps maintain water quality in this semi-arid area where water resources are critical for agriculture and ecosystems.