# Facsa-led joint venture awarded €48M contract to upgrade Maqua wastewater plant in Avilés

A joint venture of Facsa, Espina Obras Hidráulicas and Alvargonzález Contratas has been awarded a contract worth over €48 million to expand and modernize the Maqua wastewater treatment plant in Avilés, Spain. The project includes a new biological treatment line with IFAS technology and four secondary clarifiers, with a 3.5-year execution period.

- Type: Contract
- Announced: 2025-05-22
- Where: Avilés, Spain
- Value: $54.0M (48.0M EUR)
- Status: announced
- Capacity: 257,000 population equivalent
- Products: wastewater treatment, IFAS biological treatment, secondary clarifiers
- Sectors: [Water Treatment Equipment](https://endata.com/sectors/water-treatment-equipment.md)

## Companies

- [FACSA](https://endata.com/companies/32759.md)
- [Espina Obras Hidráulicas](https://endata.com/companies/74609.md) (partner)
- [Alvargonzález Contratas](https://endata.com/companies/84908.md) (partner)

## Sources

- [castelloninformacion.com](https://www.castelloninformacion.com/facsa-transformacion-estacion-depuradora-maqua-aviles/), 2025-05-22: "La obra ha sido adjudicada a la UTE formada por Facsa, Espina Obras Hidráulicas y Alvargonzález Contratas"
- [facsa.com](https://www.facsa.com/en/facsa-leads-the-transformation-of-maqua-and-positions-itself-as-a-key-player-in-the-construction-of-water-infrastructure/), 2025-05-23: "The contract has been awarded to the joint venture formed by Facsa, Espina Obras Hidráulicas and Alvargonzález Contratas"

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.