Bioindication and diagnostics at wastewater treatment plants in Zone 2

Summary

ARECIAR is procuring a single-lot technical assistance service to assess the biological treatment processes at eight wastewater treatment plants in Zone 2: Campana, Fuentes, Herrera, Osuna, Rubio, Écija, Cañada Rosal and La Luisiana. Over one contract year, the programme covers 12 weeks at each plant and includes sampling, transport and analysis; physicochemical and operational monitoring; microscopic examination of activated-sludge flocs, microfauna and filamentous organisms; bioindication; and integrated diagnostic reports with operational recommendations.