Sewage Treatment Facilities government contracts (NAICS 221320)
Open federal, state and local contract notices classified under NAICS 221320.
Data as of Oct 24, 2026. Sources: SAM.gov and Grants.gov. Snapshot govcon-directory-20261024T104923Z-2151694.
This product uses the Grants.gov API but is not endorsed or certified by the U.S. Department of Health and Human Services. Counts and totals are computed by DSE from public SAM.gov and Grants.gov notices. Text from Grants.gov may be shortened or have contact details removed. The original notice on Grants.gov is the authoritative version.
As of Oct 24, 2026, 6 open notices list NAICS 221320 (Sewage Treatment Facilities). 4 notices close within 30 days and 4 were posted in the last 30 days. The agencies with the most open notices are Department of Defense (2), Department of the Interior (2), International Boundary and Water Commission: Us-mexico (1).
Open notices, closing soonest first
- DCDO Septic Tank and Sewage Treatment MaintenanceClosing in 2 days
- Y--GRCA 257282 - Replace South Rim Wastewater Treatment Plant, Grand Canyon, AZClosing in 9 days
- Y--GRCA 257282 - Replace Wastewater Plant at South RiClosing in 25 days
- Waste Water Treatment Plant ServicesClosing in 30 days
- Operations and Maintenance (O&M) Services for the SBIWTPClosing in 74 days
- Lagoon AerationClosing in 757 days
Top agencies buying this NAICS
Related NAICS
Get free alerts
Email alerts for NAICS 221320 (Sewage Treatment Facilities) are free on DSE GovCon Intelligence.
Set up free alerts →DSE verdict
The DSE fit verdict for these NAICS 221320 notices is available to DSE GovCon subscribers. It is not published on this page.
See DSE GovCon plans →Frequently asked questions
How many open government contracts are there for NAICS 221320?
As of Oct 24, 2026, 6 open notices list NAICS 221320 (Sewage Treatment Facilities) in the DSE directory.
Which agencies are buying under NAICS 221320?
Agencies with the most open notices: Department of Defense (2), Department of the Interior (2), International Boundary and Water Commission: Us-mexico (1).
When does the next NAICS 221320 notice close?
The soonest deadline is Oct 26, 2026, for "DCDO Septic Tank and Sewage Treatment Maintenance". 1 notice close within 7 days.
Are there set-asides under NAICS 221320?
1 of 6 open notices carry a set-aside. Most common: Total Small Business (1).
Where is the NAICS 221320 work performed?
Most common places of performance: AZ (1), CA (1), KY (1).