NAICS 23711 - Water and Sewer Line and Related Structures Construction

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Related NAICS Codes for NAICS 23711

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What is NAICS 23711

NAICS code 23711 encompasses businesses engaged in the construction of water and sewer lines, as well as related structures necessary for the conveyance and treatment of water and wastewater. This sector includes firms specializing in installing pipelines, constructing pumping stations, and building treatment facilities that support public water and sanitation systems. Companies operating within this classification often provide critical infrastructure services essential to public health, environmental protection, and urban development. Government agencies contract these services to maintain, upgrade, and expand water distribution and sewage collection networks, ensuring compliance with environmental regulations and addressing the needs of growing populations. The scope of work under this NAICS code is vital for sustainable community development and resilience against waterborne diseases and infrastructure failures.

Breakdown for NAICS 23711

  • Covers construction of water supply pipelines and sewer systems including related structures.
  • Includes installation of pumping stations, treatment facilities, and pipeline rehabilitation.
  • Applies to businesses meeting specific size standards generally based on annual revenue.
  • Typical projects range from small pipeline repairs to large municipal system expansions.
  • Work requires compliance with environmental and safety regulations.
  • Often involves coordination with multiple government agencies and public utilities.

Included Activities for NAICS 23711

  • Installing potable water pipelines and distribution mains.
  • Constructing sewer collection systems and wastewater conveyance lines.
  • Building pumping stations and lift stations for water and sewage.
  • Repairing and rehabilitating existing water and sewer infrastructure.
  • Coordinating with environmental agencies for regulatory compliance.
  • Performing trenching, excavation, and backfilling for pipeline installation.
  • Implementing erosion control and site restoration post-construction.
  • Conducting pressure testing and inspection of newly installed pipelines.

Business Types for NAICS 23711

  • Civil engineering construction firms specializing in utilities.
  • Specialty contractors focused on water and sewer infrastructure.
  • Municipal and regional public works contractors.
  • Environmental and infrastructure consulting firms with construction capabilities.
  • Pipeline installation and rehabilitation service providers.

Government Buyers for NAICS 23711

Government agencies such as municipal water authorities, public utilities commissions, the Environmental Protection Agency, and departments of public works frequently procure water and sewer line construction services. Additionally, federal entities like the U.S. Army Corps of Engineers and state-level environmental and infrastructure agencies contract these services to support infrastructure modernization, disaster recovery efforts, and compliance with environmental mandates. These buyers require contractors capable of delivering technically complex and large-scale projects that uphold public safety standards while efficiently managing budgets and timelines.

Contract Types & Procurement for NAICS 23711

Contracts in this sector typically include fixed-price, cost-plus-fixed-fee, and design-build contracts, depending on project complexity and scope. Procurement methods often involve competitive bidding, including Requests for Proposals (RFPs) and Invitations for Bid (IFBs), with some contracts awarded via sole-source in emergency situations. Contract values vary widely, from smaller municipal pipeline repairs costing tens of thousands of dollars to multi-million-dollar large-scale sewer system expansions. Performance-based contracts are increasingly common to ensure quality and timely completion of critical infrastructure projects.

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