NAICS 221320 – Sewage Treatment Facilities

What NAICS 221320 (Sewage Treatment Facilities) covers, and 25 active federal contract opportunities classified under it.

Part of NAICS Sector 22 – Utilities

Recent Opportunities

• Operations and Maintenance (O&M) Services for the SBIWTP
  Agency: INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO Posted: Oct 20, 2026 Due: Jan 6, 2027 NAICS: 221320 Set-Aside: NONE Location: CA
• Y--GRCA 257282 - Replace Wastewater Plant at South Ri
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Oct 16, 2026 Due: Nov 18, 2026 NAICS: 221320 Location: AZ
• DCDO Septic Tank and Sewage Treatment Maintenance
  Agency: DEPT OF DEFENSE Posted: Oct 8, 2026 Due: Oct 26, 2026 NAICS: 221320
• Maintenance, Repair, And Operation Of Incinerator Plant, Weight Scales, Potable Water Tanks, Wastewater Treatment Plants To Include Operation, And Granular Activated Carbon (GAC) Filtering Systems at CFA Yokosuka
  Agency: DEPT OF DEFENSE Posted: Sep 30, 2026 Due: Oct 14, 2026 NAICS: 221320 Location: JP-14
• Maintenance, Repair, And Operation Of Incinerator Plant, Weight Scales, Potable Water Tanks, Wastewater Treatment Plants To Include Operation, And Granular Activated Carbon (GAC) Filtering Systems at CFA Yokosuka
  Agency: DEPT OF DEFENSE Posted: Sep 30, 2026 Due: Oct 14, 2026 NAICS: 221320
• Operations and Maintenance (O&M) Services for the SBIWTP
  Agency: INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO Posted: Sep 25, 2026 Due: Jan 6, 2027 NAICS: 221320 Set-Aside: NONE Location: CA
• Y--GRCA 257282 - Replace Wastewater Plant at South Ri
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Sep 18, 2026 Due: Nov 2, 2026 NAICS: 221320 Location: AZ
• Waste Water Treatment Services Newton Square PA
  Agency: DEPT OF DEFENSE Posted: Sep 18, 2026 Due: Sep 21, 2026 NAICS: 221320
• Waste Water Treatment Services Newton Square PA
  Agency: DEPT OF DEFENSE Posted: Sep 9, 2026 Due: Sep 21, 2026 NAICS: 221320
• Y--GRCA 257282 - Replace Wastewater Plant at South Ri
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Sep 3, 2026 Due: Nov 2, 2026 NAICS: 221320 Location: AZ
• Y--GRCA 257282 - Replace Wastewater Plant at South Ri
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Sep 2, 2026 Due: Nov 2, 2026 NAICS: 221320 Location: AZ
• S--Wastewater Treatment Services for Yosemite NP
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Aug 17, 2026 Due: Aug 18, 2026 NAICS: 221320 Set-Aside: SBA
• Y--GRCA 257282 - Replace Wastewater Plant at South Ri
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Aug 11, 2026 Due: Nov 2, 2026 NAICS: 221320 Location: AZ
• S--Wastewater Treatment Services for Yosemite NP
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Aug 11, 2026 Due: Aug 17, 2026 NAICS: 221320 Set-Aside: SBA
• Wastewater Treatment Services for Yosemite NP
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Aug 7, 2026 Due: Aug 12, 2026 NAICS: 221320 Set-Aside: SBA
• Y--GRCA 257282 - Replace Wastewater Plant at South Ri
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Aug 7, 2026 Due: Nov 2, 2026 NAICS: 221320 Location: AZ
• Y--GRCA 257282 - Replace Wastewater Plant at South Rim Village
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Aug 1, 2026 Due: Nov 2, 2026 NAICS: 221320
• GRCA 257282 - Replace Wastewater Plant at South Ri
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Jul 31, 2026 Due: Nov 2, 2026 NAICS: 221320
• Y--GRCA 257282 - Replace South Rim Wastewater Treatment Plant, Grand Canyon, AZ
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Jul 20, 2026 Due: Nov 2, 2026 NAICS: 221320
• Y--GRCA 257282 - Replace South Rim Wastewater Treatment Plant, Grand Canyon, AZ
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Jul 16, 2026 Due: Nov 2, 2026 NAICS: 221320
• Monroe Lake Lift Station Rehabilitation
  Agency: DEPT OF DEFENSE Posted: Mar 27, 2026 Due: Apr 10, 2026 NAICS: 221320 Set-Aside: SBA
• REPLACE SAND FILTER MEDIA AND AGED VALVE/PIPE AT B1844 (WATER TREATMENT PLANT), CAMP HENRY (MATOC)
  Agency: DEPT OF DEFENSE Posted: Jan 8, 2026 Due: Jan 30, 2026 NAICS: 221320
• Combined Synopsis Solicitation - 36C78625Q50026 - Sewage Treatment Services for the National Cemetery of the Alleghenies. -- J046
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Apr 22, 2025 Due: May 6, 2025 NAICS: 221320 Set-Aside: SBA Location: PA
• Combined Synopsis Solicitation - 36C78625Q50026 - Sewage Treatment Services for the National Cemetery of the Alleghenies. -- J046
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Apr 22, 2025 Due: May 6, 2025 NAICS: 221320 Set-Aside: SBA Location: PA
• Lagoon Aeration
  Agency: AGRICULTURE, DEPARTMENT OF Posted: Nov 6, 2024 Due: Nov 19, 2028 NAICS: 221320 Set-Aside: SBA Location: KY

Data sourced from SAM.gov. Updated daily. Last updated: October 27, 2026.