Overview
POZUELO DE CALATRAVA wastewater treatment plant in Ciudad Real, Castilla-La Mancha, Spain, serves 3,000 people with advanced treatment, discharging 688 m³/day.
POZUELO DE CALATRAVA is a wastewater treatment plant located in Ciudad Real, within the Castilla-La Mancha region of Spain. It serves a population of approximately 3,000 residents, classifying it as a small agglomeration under the EU Urban Waste Water Treatment Directive (91/271/EEC). The plant employs advanced treatment processes, which go beyond the secondary treatment standard required by the EU directive for inland freshwater discharges. This level of treatment is typical for sensitive areas where nutrient removal is necessary to protect water quality. The plant discharges a daily volume of 688 m³ of treated wastewater. The treated effluent is released into the local watershed, which ultimately drains into the Guadiana River basin. The Guadiana River flows through central Spain and Portugal before reaching the Gulf of Cádiz in the Atlantic Ocean. The advanced treatment helps safeguard the ecological health of the river system, supporting aquatic life and downstream water uses.
Environmental context
The plant discharges into the Guadiana River basin, a major watercourse in central Spain that flows westward to the Atlantic Ocean. The Guadiana supports diverse aquatic ecosystems and is an important resource for agriculture and urban water supply. Advanced treatment at this plant helps reduce nutrient loads, protecting the river from eutrophication and maintaining water quality for downstream communities and habitats.
Frequently asked questions
The plant is located in Ciudad Real, in the Castilla-La Mancha region of Spain, at Las Longueras.
The plant serves approximately 3,000 residents, making it a small agglomeration under EU classification.
The plant uses advanced treatment, which includes nutrient removal beyond secondary treatment, suitable for sensitive inland water bodies.
As a small agglomeration in Spain, the plant is subject to the EU UWWTD (91/271/EEC), which requires secondary treatment for inland discharges. The advanced treatment here exceeds the minimum standard, indicating a sensitive receiving environment.
The treated wastewater discharges into the Guadiana River basin, which flows to the Atlantic Ocean. Advanced treatment helps protect this important river ecosystem.
Nearby plants