NAICS 221310 – Water Supply and Irrigation Systems

What NAICS 221310 (Water Supply and Irrigation Systems) covers, and 80 active federal contract opportunities classified under it.

Part of NAICS Sector 22 – Utilities

Recent Opportunities

• Heating Ventilation and Air Conditioning, Industrial Water Treatment Services
  Agency: DEPT OF DEFENSE Posted: Sep 11, 2026 Due: Sep 28, 2026 NAICS: 221310 Set-Aside: HZC Location: CA
• Preventative Maintenance and Repairs for Water Treatment Equipment
  Agency: DEPT OF DEFENSE Posted: Sep 11, 2026 Due: Sep 14, 2026 NAICS: 221310 Set-Aside: SBA Location: NC
• FA8601 - Industrial Water Treatment at Wright-Patterson AFB
  Agency: DEPT OF DEFENSE Posted: Sep 10, 2026 Due: Oct 9, 2026 NAICS: 221310 Set-Aside: SBA Location: OH
• Heating Ventilation and Air Conditioning, Industrial Water Treatment Services
  Agency: DEPT OF DEFENSE Posted: Sep 10, 2026 Due: Sep 28, 2026 NAICS: 221310 Set-Aside: HZC Location: CA
• Heating Ventilation and Air Conditioning, Industrial Water Treatment Services
  Agency: DEPT OF DEFENSE Posted: Sep 10, 2026 Due: Sep 28, 2026 NAICS: 221310 Set-Aside: HZC Location: CA
• FY 2027 Potable Water Sampling Services - FCC Beaumont
  Agency: JUSTICE, DEPARTMENT OF Posted: Sep 9, 2026 Due: Sep 16, 2026 NAICS: 221310 Set-Aside: SDVOSBC Location: TX
• 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
• J046--Water Treatment & Maintenance BASE 2 YEAR OPTION
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Sep 8, 2026 Due: Sep 24, 2026 NAICS: 221310 Location: NC
• H946--RO/DI Requirement Dayton - Services
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Sep 8, 2026 Due: Sep 11, 2026 NAICS: 221310 Set-Aside: SDVOSBC
• DI/RO SPS Water System - Erie VAMC
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Sep 8, 2026 Due: Sep 15, 2026 NAICS: 221310 Set-Aside: SDVOSBC Location: PA
• Sources Sought - Water Treatment Maintenance Services - VA Black Hills Health Care System - Hot Springs Campus
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Sep 4, 2026 Due: Sep 11, 2026 NAICS: 221310 Location: SD
• Utilities Privatization of the Water System at U.S. Army Garrison-Hawaii (USAG-HI), Island of Oahu, HI
  Agency: DEPT OF DEFENSE Posted: Sep 4, 2026 Due: Sep 24, 2026 NAICS: 221310 Set-Aside: NONE Location: HI
• Reverse Osmosis System
  Agency: DEPT OF DEFENSE Posted: Sep 4, 2026 Due: Sep 11, 2026 NAICS: 221310 Set-Aside: NONE Location: VA
• Chlorination Systems and Maintenance - FWA
  Agency: DEPT OF DEFENSE Posted: Sep 3, 2026 Due: Sep 8, 2026 NAICS: 221310 Set-Aside: SBA Location: AK
• 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
• 46--FILTER ASSEMBLY,WATER
  Agency: DEPT OF DEFENSE Posted: Sep 2, 2026 Due: Sep 14, 2026 NAICS: 221310
• Cistern Cleaning Services
  Agency: COMMERCE, DEPARTMENT OF Posted: Sep 1, 2026 Due: Sep 4, 2026 NAICS: 221310 Set-Aside: SBA Location: CO
• J046--Installation and Maintenance for Water Monitoring System at the Bedford VA Medical Center
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Sep 1, 2026 Due: Sep 3, 2026 NAICS: 221310 Set-Aside: SBA Location: MA
• J046--Installation and Maintenance for Water Monitoring System at the Bedford VA Medical Center
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Sep 1, 2026 Due: Sep 3, 2026 NAICS: 221310 Set-Aside: SBA Location: MA
• Z--NAVAJO DAM WATER LINE REPAIRS
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Sep 1, 2026 NAICS: 221310
• J046--Water Treatment & Maintenance BASE 2 YEAR OPTION
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Sep 1, 2026 Due: Sep 9, 2026 NAICS: 221310
• Greenhouse Environmental Control and Drip Irrigation Installation - Lubbock, TX
  Agency: AGRICULTURE, DEPARTMENT OF Posted: Sep 1, 2026 NAICS: 221310 Set-Aside: SBA Location: TX
• J046--Water Treatment & Maintenance BASE 2 YEAR OPTION
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Sep 1, 2026 Due: Sep 7, 2026 NAICS: 221310
• 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
• Preventative Maintenance and Repairs for Water Treatment Equipment
  Agency: DEPT OF DEFENSE Posted: Aug 27, 2026 Due: Sep 14, 2026 NAICS: 221310 Set-Aside: SBA Location: NC

Data sourced from SAM.gov. Updated daily. Last updated: September 12, 2026.