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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /22131

    NAICS Demand Lane

    Water Supply and Irrigation Systems, Contract Opportunities

    2,361 total opportunities (2,361 active) tied to NAICS 22131 across federal, state, local, and forecast sources.
    NAICS 22131Federal + SLED2.4K total
    View NAICS definition →
    Total Opportunities
    2.4K
    Across all indexed sources
    Active Estimate
    2.4K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 22131.

    DEPT OF DEFENSE

    HEATING VENTILATION AND AIR CONDITIONING, INDUSTRIAL WATER TREATMENT SERVICES

    Archived

    AI Summary

    The Department of Defense is seeking quotes for industrial water treatment services and HVAC maintenance at Edwards AFB. This RFQ is set aside for HUBZone small businesses, with a due date for quotes extended to 29 September 2026. Interested parties must submit their quotes via email, adhering to the specified requirem…

    CA

    Posted Sep 25, 2026Due Sep 29, 2026Combined Synopsis/SolicitationNAICS 221310Historically Underutilized Business (HUBZone) Set-Aside (FAR 19.13)Sol: FA930126Q0028
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    WATER TREATMENT, MAINTENANCE, & MONITORING SERVICES - VA BLACK HILLS HEALTH CARE SYSTEM - HOT SPRINGS VA MEDICAL CENTER

    Active

    AI Summary

    The Department of Veterans Affairs is soliciting proposals for water treatment, maintenance, and monitoring services at the VA Black Hills Health Care System in Hot Springs, SD. Interested bidders should refer to the attached documents for detailed requirements and submission guidelines.

    MN

    Posted Sep 25, 2026Due Oct 9, 2026Combined Synopsis/SolicitationNAICS 221310Sol: 36C26327Q0023
    View details→

    DEPT OF DEFENSE

    UTILITIES PRIVATIZATION OF THE WATER SYSTEM AT U.S. ARMY GARRISON-HAWAII (USAG-HI), ISLAND OF OAHU

    Active

    AI Summary

    The U.S. Army Garrison-Hawaii is seeking contractors for the privatization of its water distribution utility system. The selected contractor will assume ownership and responsibility for operations, maintenance, and upgrades of the system. This opportunity is unrestricted, and interested parties must register on SAM.gov…

    VA

    Posted Sep 25, 2026Due Jan 7, 2027SolicitationNAICS 221310Sol: SP060026R0813
    View details→

    DEPT OF DEFENSE

    FA8601 - INDUSTRIAL WATER TREATMENT AT WRIGHT-PATTERSON AFB

    Active

    AI Summary

    This opportunity involves providing industrial water treatment services for various systems at Wright-Patterson Air Force Base. The contract will be awarded based on technical acceptability and lowest evaluated price. Proposals are due by 1:00 PM EDT on October 9, 2026, and must be submitted via email to designated con…

    OH

    Posted Sep 25, 2026Due Oct 9, 2026Combined Synopsis/SolicitationNAICS 221310Total Small Business Set-Aside (FAR 19.5)Sol: FA860126R0018
    View details→

    DEPARTMENT OF JUSTICE

    FCC YAZOO CITY FY 2027 WATER TREATMENT SERVICES

    Active

    AI Summary

    The Federal Bureau of Prisons is seeking quotes for water treatment services at FCC Yazoo City for FY 2027. This opportunity is a combined synopsis/solicitation, and interested vendors should refer to the attached documents for detailed requirements and submission instructions.

    MS

    Posted Sep 24, 2026Due Oct 16, 2026Combined Synopsis/SolicitationNAICS 221310Total Small Business Set-Aside (FAR 19.5)Sol: 09242026-10
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    WATER SYSTEM CHEMICAL TREATMENT SERVICES FOR THE VA SALT LAKE CITY UT

    Archived

    AI Summary

    The Department of Veterans Affairs is seeking vendors for water system chemical treatment services in Salt Lake City, UT. This opportunity is a combined synopsis/solicitation and includes attachments with vendor questions and answers, as well as amendments to the statement of work.

    CO

    Posted Sep 23, 2026Due Sep 25, 2026Combined Synopsis/SolicitationNAICS 221310Sol: 36C25926Q0832
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    H946--SERVICE AND MAINTENANCE OF EQUIPMENT BASE + 4

    Archived

    AI Summary

    The Department of Veterans Affairs is seeking proposals for the service and maintenance of equipment under NAICS code 221310. This opportunity is a service contract and is not set aside for small businesses. Interested bidders should refer to the attached justification for further details.

    OH

    Posted Sep 22, 2026JustificationNAICS 221310Sol: 36C25026Q0666
    View details→

    DEPARTMENT OF THE INTERIOR

    Z--PA-FWS ALLEGHENY NFH-REPAIR WELL MOTOR

    Archived

    AI Summary

    The Department of the Interior, US Fish and Wildlife Service, is seeking proposals for the repair of a well motor at the Allegheny National Fish Hatchery. This opportunity is classified under NAICS code 221310 and is focused on service provision. Interested bidders should prepare to submit their proposals accordingly.

    VA

    Posted Sep 21, 2026JustificationNAICS 221310Sol: 140FC226P0062
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    4610--ENGINEERING REQUEST - SPS REVERSE OSMOSIS | 538-26-3-6064-0049 (VA-26-00079545) - VAMC CHILLICOTHE

    Archived

    AI Summary

    The opportunity involves engineering services for a reverse osmosis system at the VAMC Chillicothe. It includes specifications for 0.2 Micron Filter Cartridges and modifications to existing distribution loops. Bidders should note that pumps and flow control devices are not included in the scope. Responses to questions …

    OH

    Posted Sep 21, 2026Due Sep 22, 2026Combined Synopsis/SolicitationNAICS 221310Total Small Business Set-Aside (FAR 19.5)Sol: 36C25026Q1034
    View details→

    DEPARTMENT OF TRANSPORTATION

    WATER TREATMENT SERVICES AT ZMP ARTCC IN FARMINGTON, MN

    Archived

    AI Summary

    The FAA is seeking proposals for water treatment services at the ZMP ARTCC in Farmington, MN, under a Firm-fixed Price Contract. Proposals are due by September 2, 2026, and an optional site visit is scheduled for August 19, 2026. Interested parties must register for the site visit and submit inquiries via email.

    TX

    Posted Sep 16, 2026Due Sep 2, 2026SolicitationNAICS 221310Total Small Business Set-Aside (FAR 19.5)Sol: 697DCK-26-R-00373
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    1,234
    sled
    1,090
    forecast
    37

    Related NAICS Codes

    • 22, Utilities→
    • 221, Utilities →
    • 2211, Electric Power Generation, Transmission and Distribution→
    • 22111, Electric Power Generation →
    • 221111, Hydroelectric Power Generation →
    • 221112, Fossil Fuel Electric Power Generation →
    • 221113, Nuclear Electric Power Generation →
    • 221114, Solar Electric Power Generation →
    • 221115, Wind Electric Power Generation →
    • 221116, Geothermal Electric Power Generation →

    Explore

    • 22131 Definition→
    • Browse NAICS Codes→
    • PSC Contract Lanes→
    • AI Contract Categories→
    • Browse by Agency→
    • Browse by State→

    About NAICS 22131

    This industry comprises establishments primarily engaged in operating water supply systems and irrigation systems. These systems provide water for residential, commercial, agricultural, and industrial use.

    Read the full NAICS definition →