NAICS 221310 – Water Supply and Irrigation Systems

What NAICS 221310 (Water Supply and Irrigation Systems) covers, and 43 active federal contract opportunities classified under it.

Part of NAICS Sector 22 – Utilities

Recent Opportunities

• Chlorination Systems and Maintenance - FWA
  Agency: DEPT OF DEFENSE Posted: Oct 19, 2026 Due: Oct 22, 2026 NAICS: 221310 Set-Aside: SBA Location: AK
• Water Treatment, Maintenance, & Monitoring Services - VA Black Hills Health Care System - Hot Springs VA Medical Center
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Oct 19, 2026 Due: Oct 16, 2026 NAICS: 221310 Set-Aside: NONE Location: SD
• Preventative Maintenance and Repairs for Water Treatment Equipment
  Agency: DEPT OF DEFENSE Posted: Oct 16, 2026 NAICS: 221310 Set-Aside: SBA Location: NC
• J046--NOTICE OF INTENT TO SOLE SOURCE Baltimore VAMC WRO300H Reverse Osmosis Dialysis Water System Service Support Evoqua Water Technologies, LLC
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Oct 9, 2026 Due: Oct 16, 2026 NAICS: 221310
• Water Treatment, Maintenance, & Monitoring Services - VA Black Hills Health Care System - Hot Springs VA Medical Center
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Oct 9, 2026 Due: Oct 16, 2026 NAICS: 221310 Set-Aside: NONE Location: SD
• WATER DE-IONIZATION SERVICE
  Agency: DEPT OF DEFENSE Posted: Oct 8, 2026 Due: Oct 16, 2026 NAICS: 221310 Set-Aside: NONE Location: IN
• FA8601 - Industrial Water Treatment at Wright-Patterson AFB
  Agency: DEPT OF DEFENSE Posted: Oct 8, 2026 Due: Oct 13, 2026 NAICS: 221310 Set-Aside: SBA Location: OH
• Chlorination Systems and Maintenance - FWA
  Agency: DEPT OF DEFENSE Posted: Oct 7, 2026 Due: Oct 22, 2026 NAICS: 221310 Set-Aside: SBA Location: AK
• H946--Water System Chemical Treatment Services
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Oct 5, 2026 NAICS: 221310
• Notice of intent to sole source
  Agency: DEPT OF DEFENSE Posted: Oct 5, 2026 Due: Oct 19, 2026 NAICS: 221310 Set-Aside: NONE Location: GA
• Water Treatment, Maintenance, & Monitoring Services - VA Black Hills Health Care System - Hot Springs VA Medical Center
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Sep 25, 2026 Due: Oct 9, 2026 NAICS: 221310 Set-Aside: NONE Location: SD
• Utilities Privatization of the Water System at U.S. Army Garrison-Hawaii (USAG-HI), Island of Oahu
  Agency: DEPT OF DEFENSE Posted: Sep 25, 2026 Due: Jan 7, 2027 NAICS: 221310 Set-Aside: NONE Location: HI
• FCC Yazoo City FY 2027 Water Treatment Services
  Agency: JUSTICE, DEPARTMENT OF Posted: Sep 24, 2026 Due: Oct 16, 2026 NAICS: 221310 Set-Aside: SBA Location: MS
• H946--Sterile Processing Water Quality Chillicothe VA Medical Center
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Sep 14, 2026 Due: Sep 18, 2026 NAICS: 221310 Set-Aside: SDVOSBC Location: OH
• H946--Sterile Processing Water Quality Chillicothe VA Medical Center
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Sep 8, 2026 Due: Sep 15, 2026 NAICS: 221310 Set-Aside: SDVOSBC Location: OH
• H946--RO/DI Requirement Dayton - Services
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Sep 3, 2026 Due: Sep 9, 2026 NAICS: 221310 Set-Aside: SDVOSBC Location: OH
• Z1NE--NEW | CTX Irrigation for Waco/Temple Grounds | one time purchase
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Aug 28, 2026 NAICS: 221310 Set-Aside: SDVOSBC Location: TX
• H946--Sterile Processing Water Quality Chillicothe VA Medical Center
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Aug 27, 2026 Due: Sep 3, 2026 NAICS: 221310 Set-Aside: SDVOSBC Location: OH
• Replace filter media of Water Treatment Plant at Camp Humphreys
  Agency: DEPT OF DEFENSE Posted: Aug 26, 2026 Due: Sep 2, 2026 NAICS: 221310
• J046--Water Purification Upgrade Install Service
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Aug 26, 2026 Due: Sep 2, 2026 NAICS: 221310
• Replace filter media of Water Treatment Plant at Camp Humphreys
  Agency: DEPT OF DEFENSE Posted: Aug 24, 2026 Due: Sep 2, 2026 NAICS: 221310
• Replace filter media of water treatment plant, CP Humphrey
  Agency: DEPT OF DEFENSE Posted: Aug 5, 2026 Due: Aug 11, 2026 NAICS: 221310
• Repaint Exterior of Raw Water Tank S-425
  Agency: DEPT OF DEFENSE Posted: Jul 30, 2026 Due: Aug 13, 2026 NAICS: 221310
• Replace filter media of water treatment plant, CP Humphrey
  Agency: DEPT OF DEFENSE Posted: Jul 9, 2026 Due: Jul 23, 2026 NAICS: 221310
• East Branch Water Operator Service Contract
  Agency: DEPT OF DEFENSE Posted: Jun 3, 2026 Due: Jun 4, 2026 NAICS: 221310 Set-Aside: SBA

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