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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /23711

    NAICS Demand Lane

    Water and Sewer Line and Related Structures Construction, Contract Opportunities

    14,744 total opportunities (14,744 active) tied to NAICS 23711 across federal, state, local, and forecast sources.
    NAICS 23711Federal + SLED14.7K total
    View NAICS definition →
    Total Opportunities
    14.7K
    Across all indexed sources
    Active Estimate
    14.7K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 23711.

    DEPARTMENT OF THE INTERIOR

    Y--REHABILITATION OF WATER AND WASTEWATER SYSTEM

    Active

    AI Summary

    The Department of the Interior, National Park Service, is soliciting proposals for the rehabilitation of water and wastewater systems at Curecanti National Recreation Area. This opportunity is categorized under NAICS code 237110 and is open for both product and service offerings. Interested bidders should prepare to su…

    CO

    Posted Oct 2, 2026Due Oct 7, 2026SolicitationNAICS 237110Total Small Business Set-Aside (FAR 19.5)Sol: 140P2026B0003
    View details→

    DEPARTMENT OF THE INTERIOR

    Y--BRCA 318695 - CONSTRUCTION

    Active

    AI Summary

    The Department of the Interior, National Park Service, is soliciting proposals for construction services under BRCA 318695. This opportunity is classified under NAICS code 237110 and is not subject to FAR Part 13 Simplified Acquisition Procedures. Interested bidders should prepare to submit their proposals by the speci…

    CO

    Posted Oct 2, 2026Due Oct 8, 2026SolicitationNAICS 237110Total Small Business Set-Aside (FAR 19.5)Sol: 140P2026B0004
    View details→

    DEPARTMENT OF AGRICULTURE

    LOLETA WATER SYSTEM UPGRADES

    Active

    AI Summary

    The Department of Agriculture's Forest Service is seeking quotations for the installation of a new water distribution system, including piping, valves, and electrical modifications. This opportunity is set aside for small businesses, with quotes due by October 12, 2026. A site visit is scheduled for September 30, 2026,…

    GA

    Posted Oct 2, 2026Due Oct 12, 2026Combined Synopsis/SolicitationNAICS 237110Total Small Business Set-Aside (FAR 19.5)Sol: 12445526Q0132
    View details→

    DEPARTMENT OF JUSTICE

    UPGRADE WATER TANKS - FCI TEXARKANA, TX

    Active

    AI Summary

    The Federal Bureau of Prisons is soliciting offers for the Upgrade Water Tanks project at FCI Texarkana, Texas. This project involves the rehabilitation of water storage systems, including tanks and pumps, under a firm fixed price construction contract. The estimated project cost is between $1,000,000 and $5,000,000, a…

    TX

    Posted Oct 1, 2026Due Oct 13, 2026Combined Synopsis/SolicitationNAICS 237110Total Small Business Set-Aside (FAR 19.5)Sol: 15BBNF26Q51500001
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    508-25-301 | TDVV GEOTHERMAL REPAIR

    Active

    AI Summary

    This pre-solicitation notice indicates the Department of Veterans Affairs' intent to sole source a geothermal repair project. The opportunity is set aside for Service-Disabled Veteran-Owned Small Businesses (SDVOSB). Interested parties should review the attached notice for further details.

    GA

    Posted Oct 1, 2026Due Oct 16, 2026PresolicitationNAICS 237110Service-Disabled Veteran-Owned Small Business (SDVOSB) Sole Source (FAR 19.14)Sol: 36C24726Q0922
    View details→

    DEPARTMENT OF HEALTH AND HUMAN SERVICES

    JENNIFER BROWN (COW)

    Active

    AI Summary

    The Department of Health and Human Services, Indian Health Service, is seeking proposals for a combined synopsis/solicitation under NAICS code 237110. This opportunity is set aside for small businesses and involves both construction and health services. Interested bidders should prepare their submissions accordingly.

    WA

    Posted Oct 1, 2026Due Oct 30, 2026Combined Synopsis/SolicitationNAICS 237110Total Small Business Set-Aside (FAR 19.5)Sol: 75H70126Q00036
    View details→

    DEPARTMENT OF THE INTERIOR

    Y--NGWSP CUTTER LATERAL REACH 21 BOOSTER PLANT

    Active

    AI Summary

    The U.S. Bureau of Reclamation is seeking proposals for the Navajo Gallup Water Supply Project Cutter Lateral Reach 21 Booster Plant. This construction project involves building a booster pump station and related infrastructure. The solicitation is set aside for small businesses and is expected to be released in early …

    UT

    Posted Sep 30, 2026Due Oct 30, 2026PresolicitationNAICS 237110Total Small Business Set-Aside (FAR 19.5)Sol: 140R4026B0003
    View details→

    DEPARTMENT OF AGRICULTURE

    4 GAOA FLAMING GORGE WATER SYSTEM BUCKBOARD IN ASHLEY NF, WYOMING

    Active

    AI Summary

    The opportunity involves improvements to the Buckboard Marina Water System in Ashley National Forest, Wyoming. The due date for quotes has been extended to October 27, 2026. Bidders must acknowledge and submit the amendment with their quotes.

    DC

    Posted Sep 30, 2026Due Oct 27, 2026Combined Synopsis/SolicitationNAICS 237110Total Small Business Set-Aside (FAR 19.5)Sol: 1240LT26Q0109
    View details→

    DEPARTMENT OF THE INTERIOR

    Y--HAVO 326181 REHABILITATE RAINSHED&WATER TREATMENT

    Active

    AI Summary

    The opportunity involves the rehabilitation of the rainshed and water treatment system at Hawaii Volcanoes National Park. This project is categorized under construction services and requires both product and service components. Interested bidders should refer to the solicitation for detailed requirements.

    CO

    Posted Sep 28, 2026Due Oct 23, 2026SolicitationNAICS 237110Sol: 140P2026R0091
    View details→

    DEPT OF DEFENSE

    SEWAGE EJECTOR AND LINE ASSESSMENT

    Active

    AI Summary

    The Department of Defense is seeking a contractor for the assessment and modification of a concrete-encased sewer line. Key tasks include locating, inspecting, and modifying the line, installing clean-outs, and documenting adjustments. Government presence is required during inspections, and a detailed findings report w…

    OK

    Posted Sep 28, 2026Due Oct 28, 2026SolicitationNAICS 237110Sol: W912BV26QA069
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    2,922
    sled
    11,749
    forecast
    73

    Related NAICS Codes

    • 23, Construction→
    • 236, Construction of Buildings→
    • 2361, Residential Building Construction→
    • 23611, Residential Building Construction→
    • 236115, New Single-Family Housing Construction (except For-Sale Builders) →
    • 236116, New Multifamily Housing Construction (except For-Sale Builders) →
    • 236117, New Housing For-Sale Builders →
    • 236118, Residential Remodelers →
    • 2362, Nonresidential Building Construction→
    • 23621, Industrial Building Construction→

    Explore

    • 23711 Definition→
    • Browse NAICS Codes→
    • PSC Contract Lanes→
    • AI Contract Categories→
    • Browse by Agency→
    • Browse by State→

    About NAICS 23711

    This industry comprises establishments primarily engaged in the construction of water and sewer lines and related structures such as pumping stations and treatment facilities. These businesses focus on the installation, repair, and maintenance of water supply and sewage systems.

    Read the full NAICS definition →