# Archer Western-Stantec team selected for Chattanooga wastewater upgrades

Archer Western Construction and Stantec were selected to design-build Phase 1 of a wastewater treatment plant upgrade at Chattanooga's Moccasin Bend Environmental Campus, including the world's largest membrane-aerated biofilm reactor. The project is expected to cost $130-150 million and be operational by December 2028.

- Type: Contract
- Announced: 2024-11-20
- Where: Chattanooga, Tennessee, United States
- Value: $140.0M
- Status: announced
- Products: wastewater treatment upgrades, membrane-aerated biofilm reactor, thermal hydrolysis process, anaerobic digestion, waste-to-energy system
- Sectors: [Water Treatment Equipment](https://endata.com/sectors/water-treatment-equipment.md)

## Companies

- [Stantec Inc.](https://endata.com/companies/22986.md) (partner)
- [Archer Western Construction](https://endata.com/companies/30030.md) (partner)
- [City of Chattanooga](https://endata.com/companies/81202.md) (customer)

## Sources

- [enr.com](https://www.enr.com/articles/59864-chattanooga-selects-archer-western-stantec-team-for-major-wastewater-upgrades), 2024-11-20: "The facility is expected to be operational in December 2028."

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