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

    NAICS Demand Lane

    Sewage Treatment Facilities, Contract Opportunities

    309 total opportunities (309 active) tied to NAICS 221320 across federal, state, local, and forecast sources.
    NAICS 221320Federal + SLED309 total
    View NAICS definition →
    Total Opportunities
    309
    Across all indexed sources
    Active Estimate
    309
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 221320.

    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

    Active

    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→

    INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO

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

    Active

    AI Summary

    This opportunity involves operations and maintenance services for the Southbay Wastewater Treatment Plant under the International Boundary and Water Commission. Bidders should be prepared to provide comprehensive support for the facility's operational needs.

    TX

    Posted Sep 25, 2026Due Jan 6, 2027SolicitationNAICS 221320No Set aside usedSol: 191BWC26R0009
    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→

    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 Sep 18, 2026Due Nov 2, 2026SolicitationNAICS 221320Sol: 140P2026R0101
    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→

    DEPARTMENT OF THE INTERIOR

    S--WASTEWATER TREATMENT SERVICES FOR YOSEMITE NP

    Archived

    AI Summary

    The National Park Service is seeking wastewater treatment services for Yosemite National Park. This opportunity includes a combined synopsis/solicitation for a wastewater treatment plant operator. The closing date has been extended to August 18, 2026, at 5 PM PT, and an amendment has been issued to include contractor q…

    CA

    Posted Aug 17, 2026Due Aug 19, 2026Combined Synopsis/SolicitationNAICS 221320Total Small Business Set-Aside (FAR 19.5)Sol: 140P8526Q0102
    View details→

    DEPT OF DEFENSE

    48 CES - Diesel Sewage Pump

    Archived

    AI Summary

    The 48th Contracting Squadron at RAF Lakenheath is soliciting proposals from companies capable of providing diesel sewage pumps that meet specified salient characteristics. This opportunity is part of a military contracting effort and is not set aside for small businesses.

    AE

    Posted Aug 12, 2026Due Aug 20, 2026SolicitationNAICS 221320No Set aside usedSol: FA558726Q0040
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    223
    sled
    77
    forecast
    9

    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

    • 221320 Definition→
    • Browse NAICS Codes→
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    About NAICS 221320

    This industry comprises establishments primarily engaged in operating sewage treatment facilities that treat and dispose of sewage and wastewater. These facilities manage the collection, treatment, and disposal of sewage to protect public health and the environment.

    Read the full NAICS definition →