Open bids · Federal · SAM.gov
NAICS 221320 contracts: Sewage Treatment Facilities
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- posted in the last 7 days
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Federal solicitations with NAICS 221320 as their primary code.
Open bids, soonest deadline first
- Y--GRCA 257282 - Replace Wastewater Plant at South RiDepartment of the Interior · Arizona · Due Nov 18, 2026 · 12 days left
- Operations and Maintenance (O&M) Services for the SBIWTPInternational Boundary and Water Commission: US-Mexico · California · Due Jan 6, 2027 · 61 days left
- Lagoon AerationDepartment of Agriculture · Kentucky · Due Nov 19, 2028 · 744 days left
From SAM.gov. Open bids only, counted by solicitation. Updated Nov 6, 2026, 12:30 AM ET.