Open Federal Contracts for NAICS 221320: Sewage Treatment Facilities

There are 7 open notices on SAM.gov under NAICS 221320, Sewage Treatment Facilities: 4 solicitations, 2 presolicitation notices and 1 special notice. 1 of them close within the next 14 days. The busiest buyers are National Park Service (4), Forest Service (2) and International Boundary and Water Commission: US-Mexico (1). 2 of the 7 are set aside for a small-business program.

A NAICS code is the industry code the buyer attaches to a notice. It also sets the size standard that decides whether your company counts as small for a set-aside.

Open notices under NAICS 221320, soonest deadline first
OpportunityAgencyTypeSet-asideDue
Grade 2 wastewater operator12444026Q0230Department of Agriculture · Forest ServiceSolicitationSmall businesstoday
GRCA 257282 - Replace Wastewater Plant at South Ri140P2026R0101Department of the Interior · National Park ServiceSolicitationNone statedin 35 days
Y--GRCA 257282 - Replace South Rim Wastewater Treatment Plant, Grand Canyon, AZ140P2025R0093Department of the Interior · National Park ServicePresolicitationNone statedin 35 days
Y--GRCA 257282 - Replace Wastewater Plant at South Ri140P2026R0101Department of the Interior · National Park ServiceSolicitationNone statedin 35 days
Y--GRCA 257282 - Replace Wastewater Plant at South Rim Village140P2026R0101Department of the Interior · National Park ServiceSpecial NoticeNone statedin 35 days
Operations and Maintenance (O&M) Services for the SBIWTP191BWC26R0009International Boundary and Water Commission: US-MexicoSolicitationNone statedin 100 days
Lagoon Aeration1141206Department of Agriculture · Forest ServicePresolicitationSmall businessin 783 days

All 7 open notices, soonest deadline first. Each title opens the official notice on SAM.gov.

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Data refreshed nightly from SAM.gov. Last refreshed September 28, 2026. Public notices only. Always confirm dates and requirements on the official notice before you act.