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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /221320

    NAICS Demand Lane

    Sewage Treatment Facilities, Contract Opportunities

    335 total opportunities (335 active) tied to NAICS 221320 across federal, state, local, and forecast sources.
    NAICS 221320Federal + SLED335 total
    View NAICS definition →
    Total Opportunities
    335
    Across all indexed sources
    Active Estimate
    335
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 221320.

    INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO

    OPERATIONS AND MAINTENANCE (O&M) SERVICES FOR THE SBIWTP

    Active

    AI Summary

    The International Boundary and Water Commission seeks operations and maintenance services for the Southbay Wastewater Treatment Plant. The solicitation amendment updates Section J and references in the performance work statement, adds several pricing-related clauses, and removes clause 52.215-14. Access to controlled u…

    TX

    Posted Oct 20, 2026Due Jan 6, 2027SolicitationNAICS 221320Sol: 191BWC26R0009
    View details→

    DEPARTMENT OF THE INTERIOR

    Y--GRCA 257282 - REPLACE WASTEWATER PLANT AT SOUTH RI

    Active

    AI Summary

    The National Park Service is soliciting proposals for the replacement of the wastewater plant at South Rim Village. This project involves both construction and environmental services to ensure compliance with regulations. Interested bidders should prepare to submit their proposals by the specified deadline.

    CO

    Posted Oct 16, 2026Due Nov 18, 2026SolicitationNAICS 221320Sol: 140P2026R0101
    View details→

    DEPT OF DEFENSE

    WASTE WATER TREATMENT PLANT SERVICES

    Active

    AI Summary

    The Department of Defense, specifically the Air Force, is soliciting quotes for Waste Water Treatment Plant Services under solicitation number FA448627Q0002. This is a combined synopsis/solicitation for commercial services, and proposals are due by November 23, 2026. Note that funds are not currently available, and the…

    AE

    Posted Oct 12, 2026Due Nov 23, 2026Combined Synopsis/SolicitationNAICS 221320Sol: FA448627Q0002
    View details→

    DEPT OF DEFENSE

    DCDO SEPTIC TANK AND SEWAGE TREATMENT MAINTENANCE

    Archived

    AI Summary

    The United States Air Force is seeking a contractor for septic tank and sewage treatment maintenance at DCDO in Okinawa, Japan. This combined synopsis/solicitation is for a requirements type contract with a performance period from December 1, 2026, to November 30, 2031. Interested parties should refer to the attached R…

    AP

    Posted Oct 8, 2026Due Oct 26, 2026Combined Synopsis/SolicitationNAICS 221320Sol: FA527027QB006
    View details→

    DEPT OF DEFENSE

    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

    Archived

    AI Summary

    This opportunity involves a single award IDIQ service contract for the maintenance and repair of various facilities at CFA Yokosuka, Japan. Services include operation of incinerator plants, weight scales, potable water tanks, and wastewater treatment plants, along with granular activated carbon filtering systems. Contr…

    AP

    Posted Sep 30, 2026Due Oct 14, 2026SolicitationNAICS 221320Sol: N4008426R1011
    View details→

    DEPARTMENT OF AGRICULTURE

    GRADE 2 WASTEWATER OPERATOR

    Archived

    AI Summary

    The Department of Agriculture's Forest Service is soliciting a Grade 2 Contract Operator to manage operations, maintenance, and repairs for the Orleans Wastewater Treatment Plant and its infrastructure. The Forest Service will maintain overall responsibility for system performance.

    CA

    Posted Sep 22, 2026Due Sep 28, 2026SolicitationNAICS 221320Total Small Business Set-Aside (FAR 19.5)Sol: 12444026Q0230
    View details→

    DEPT OF DEFENSE

    WASTE WATER TREATMENT SERVICES NEWTON SQUARE PA

    Archived

    AI Summary

    The Department of Defense is seeking proposals for waste water treatment services at the US Army Reserve Center in Newtown Square, PA. This solicitation includes an amendment with industry questions and answers. Interested bidders should prepare to meet the requirements outlined in the solicitation.

    NJ

    Posted Sep 18, 2026Due Sep 21, 2026SolicitationNAICS 221320Sol: W15QKN26QA188
    View details→

    DEPARTMENT OF HEALTH AND HUMAN SERVICES

    FBSU WATER/SEWAGE UTILITY AND SOLID WASTE DISPOSAL SERVICES

    Archived

    AI Summary

    The Indian Health Service requires water, sewer, and solid waste utility services at the Fort Belknap Service Unit in Harlem, Montana. The contractor must provide all necessary resources to ensure reliable service in compliance with applicable laws and standards. This opportunity is a combined synopsis/solicitation and…

    MT

    Posted Sep 4, 2026Due Sep 8, 2026Combined Synopsis/SolicitationNAICS 221320Indian Small Business Economic Enterprise (ISBEE) Set-Aside (specific to Department of Interior and Indian Health Services)Sol: 75H70926Q00010
    View details→

    DEPARTMENT OF HOMELAND SECURITY

    USCG FRC SEWAGE OFFLOADING

    Archived

    AI Summary

    The US Coast Guard intends to award a sole source contract for sewage offloading services at Base Kodiak, Alaska. The vendor, Paradigm Marine, LLC, is the only responsible source for these services as per the lease agreement. Interested parties may submit their qualifications by August 31, 2026.

    AK

    Posted Aug 27, 2026Due Aug 31, 2026PresolicitationNAICS 221320No Set aside usedSol: 31140PR260000156
    View details→

    INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO

    Operations and Maintenance (O&M) Services for the SBIWTP

    Archived

    AI Summary

    The USIBWC is issuing a Request for Proposals for a full-service Operations and Maintenance contract for the South Bay International Wastewater Treatment Plant in San Diego County, CA. The contract will be performance-based with a Firm-Fixed-Price structure, covering various operational and maintenance services. The an…

    TX

    Posted Aug 26, 2026Due Sep 18, 2026PresolicitationNAICS 221320No Set aside usedSol: 191BWC27R0001
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    225
    sled
    102
    forecast
    8

    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

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    About NAICS 221320

    Sewage Treatment Facilities

    Read the full NAICS definition →