2,117 plants indexed. Showing 223 matching current filters.
Spain treats over 90% of its wastewater to secondary or higher standards. Major operators include ACCIONA, FCC Aqualia, and regional consortia. UtilityRadar indexes 2117 wastewater treatment plants in Spain with a combined designed capacity of 3,967,981 m³/day. The largest plant on file is LA ALJORRA, treating 70,417 m³/day.
Spain treats over 90% of its wastewater to secondary or higher standards. Major operators include ACCIONA, FCC Aqualia, and regional consortia.
UtilityRadar's directory currently lists 2,117 wastewater treatment plants across Spain. Together these plants represent a combined designed capacity of approximately 3,967,981 m³/day.
By treatment level, the directory contains 652 secondary, 307 advanced, 11 primary-treatment plants. Secondary treatment (typically activated sludge with biological nutrient removal) is the most common standard.
The largest plant indexed for Spain is LA ALJORRA, with a designed capacity of 70,417 m³/day.
Plant records are aggregated from publicly available regulatory data (US EPA ECHO, EU UWWTD reporting, national water authority publications), augmented by direct operator information and verified via Google Maps coordinates. Each record includes location, treatment level, capacity where known, operator and operational status. To browse plants by treatment level worldwide, see our secondary and advanced filter views, or read our guide to how sewage treatment works.
ZUHEROS wastewater treatment plant in Zuheros, Andalucía, Spain, is a closed advanced treatment facility that served a population of 1,000 with a designed capacity of 1,200 m³/day.
PINAR is an advanced wastewater treatment plant in Píñar, Andalucía, Spain, serving a small population of 936. The facility is currently closed and has a designed capacity of 1,600 m³/day.
ARROYOMOLINOS DE LEON is a closed advanced treatment plant in Arroyomolinos de León, Andalucía, Spain. It served 695 people with a designed capacity of 1,719 m³/day.
Benalua de las Villas wastewater treatment plant in Andalusia, Spain serves 2,300 people with advanced treatment. The plant is now closed, having discharged treated water into local watercourses.
Cardeña wastewater treatment plant in Cardeña, Andalucía, Spain, serves a population of 1,307 with advanced treatment. The plant is closed and has a designed capacity of 1,600 m³/day.
ALOSNO wastewater treatment plant in Alosno, Andalucía, Spain serves 3,500 people with advanced treatment. It discharges 634.37 m³/day of treated water, operating under EU Urban Waste Water Treatment Directive standards.
ALMOGIA wastewater treatment plant serves Almogía, Andalucía, Spain, with advanced treatment for a population of 3,902. It discharges treated water inland, contributing to the Guadalhorce River basin.
UTIEL LAS CUEVAS is an advanced wastewater treatment plant serving Utiel, Comunitat Valenciana, Spain. It treats wastewater for a population of 844 with a designed capacity of 3,125 m³/day.
SAN ANTONIO Y ALDEAS VEGA is an advanced wastewater treatment plant in Requena, Comunitat Valenciana, Spain, serving 7,142 people. It discharges 501.30 m³/day and has a designed capacity of 4,629 m³/day.
SALINAS wastewater treatment plant in Salinas, Comunitat Valenciana, Spain, serves 8,659 people with advanced treatment. It has a designed capacity of 7,200 m³/day and discharges 367.07 m³/day.
ROJALES CIUDAD QUESADA 1 is an advanced wastewater treatment plant in Rojales, Comunitat Valenciana, Spain. It serves 700 people with a designed capacity of 3,645 m³/day and discharges 62.30 m³/day.
ROJALES CIUDAD DE QUESADA 2 is an advanced wastewater treatment plant in Rojales, Comunitat Valenciana, Spain, serving a population of 1,007. It discharges 81.91 cubic meters of treated water daily.
ORIHUELA LA MATANZA is an advanced wastewater treatment plant serving 708 people in Orihuela, Comunitat Valenciana, Spain. It has a designed capacity of 2,500 m³/day and discharges 128.36 m³/day.
ORIHUELA TORREMENDO is an advanced wastewater treatment plant in Orihuela, Comunitat Valenciana, Spain. It serves a population of 906 and has a designed capacity of 2,500 m³/day.
ORIHUELA SAN BARTOLOME is an advanced wastewater treatment plant in Orihuela, Comunitat Valenciana, Spain, serving about 4,074 people with a designed capacity of 4,083 m³/day.
ORIHUELA HURCHILLO is an advanced wastewater treatment plant in Orihuela, Comunitat Valenciana, Spain, serving a population of 1,977. It discharges 185.90 m³/day of treated water.
LUCENA DEL CID is an advanced wastewater treatment plant serving Llucena / Lucena del Cid in Comunitat Valenciana, Spain. It treats wastewater for a population of 4,044 with a designed capacity of 4,185 m³/day.
LORIGUILLA MASIA DEL CONDE is an advanced wastewater treatment plant in Loriguilla, Comunitat Valenciana, Spain, serving a population of 1,906. It discharges 342.90 cubic meters of treated water daily.
HONDON DE LAS NIEVES wastewater treatment plant serves el Fondó de les Neus in Comunitat Valenciana, Spain. It provides advanced treatment for a population of 2,023.
PLIEGO wastewater treatment plant in Pliego, Región de Murcia, Spain, serves 5,660 people with advanced treatment. It discharges 477.24 m³/day and has a designed capacity of 12,500 m³/day.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, PLIEGO has the highest designed capacity at 12,500 m3/day.