Overview
Crato _Flor da Rosa is a secondary wastewater treatment plant serving 2,500 people in Crato, Portugal. It discharges 416.83 m³/day and has a designed capacity of 2,800 m³/day.
Crato _Flor da Rosa is a wastewater treatment plant located in the Herdade Malflor area, near Ponte do Chocanol, serving the parishes of Crato e Mártires, Flor da Rosa e Vale do Peso in the municipality of Crato, Portalegre district, Portugal. The plant serves a population of approximately 2,500 people, classifying it as a small agglomeration under Portuguese and EU regulations. The plant provides secondary treatment, which is the minimum standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for discharges into freshwater and estuaries from agglomerations of this size. The designed capacity is 2,800 m³/day, and the current discharge volume is 416.83 m³/day, indicating operational headroom. The treated effluent is discharged into the local watershed, which ultimately drains into the Tagus River basin via the Nisa River system. The region is part of the Alto Alentejo, characterized by Mediterranean climate and agricultural land use. The downstream environment supports diverse aquatic life and is important for regional water resources.
Environmental context
The plant discharges into the local watercourse, which flows into the Nisa River, a tributary of the Tagus River. The Tagus River is one of the longest rivers in the Iberian Peninsula, draining into the Atlantic Ocean near Lisbon. The watershed supports diverse aquatic ecosystems and is used for irrigation and water supply. The region's Mediterranean climate means seasonal variations in flow, making consistent treatment important for downstream ecological health.
Frequently asked questions
The plant is located at Herdade Malflor, Ponte do Chocanol, in the parishes of Crato e Mártires, Flor da Rosa e Vale do Peso, municipality of Crato, Portalegre district, Portugal.
The plant serves approximately 2,500 people, classifying it as a small agglomeration under EU regulations.
The plant provides secondary treatment, which involves biological processes to reduce organic matter and suspended solids, meeting the minimum EU standard for discharges into freshwater.
The plant discharges into the local watershed that flows into the Nisa River, a tributary of the Tagus River, which ultimately reaches the Atlantic Ocean.
As a small agglomeration (under 10,000 population equivalent) in Portugal, the plant must comply with the EU Urban Waste Water Treatment Directive, which requires secondary treatment for freshwater discharges. The plant's secondary treatment meets this requirement.
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