NAICS 237110 - Water and Sewer Line and Related Structures Construction
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What is NAICS 237110
NAICS code 237110 covers establishments primarily engaged in the construction of water and sewer infrastructure, including water and sewer lines, mains, pumping stations, treatment plants, and storage tanks. Businesses operating under this classification undertake new construction, reconstruction, rehabilitation, and repair projects essential for maintaining and expanding public water and wastewater systems. These services are critical for ensuring safe, reliable water supply and efficient sewage disposal, fundamental to public health and environmental protection. Specialty trade contractors focused on water and sewer-related projects also fall within this sector, highlighting the technical and specialized nature of the work. Government agencies frequently contract these services to ensure compliance with regulatory standards and to support community infrastructure development and maintenance initiatives.
Industry Classification for NAICS 237110
This industry comprises establishments primarily engaged in the construction of water and sewer lines, mains, pumping stations, treatment plants, and storage tanks. The work performed may include new work, reconstruction, rehabilitation, and repairs. Specialty trade contractors are included in this industry if they are engaged in activities primarily related to water, sewer line, and related structures construction. All structures (including buildings) that are integral parts of water and sewer networks (e.g., storage tanks, pumping stations, water treatment plants, and sewage treatment plants) are included in this industry.
Illustrative Examples:
- Distribution line, sewer and water, construction
- Sewer main, pipe and connection, construction
- Fire hydrant installation
- Storm sewer construction
- Irrigation systems construction
- Water main and line construction
- Sewage disposal plant construction
- Water treatment plant construction
- Pumping station, water and sewage system, construction
- Water system storage tank and tower construction
- Reservoir construction
- Water well drilling, digging, boring, or sinking (except water intake wells in oil and gas fields)
Breakdown for NAICS 237110
- Includes construction of water and sewer lines, mains, and related infrastructure.
- Covers new construction, reconstruction, rehabilitation, and repair projects.
- Incorporates specialty trade contractors focused on water and sewer systems.
- Encompasses integral structures like pumping stations and treatment plants.
- Applies to public infrastructure projects critical to community health and safety.
Included Activities for NAICS 237110
- Construction of water distribution lines and mains.
- Building and repairing sewer mains and connections.
- Installation of fire hydrants and storm sewers.
- Construction of water and sewage treatment plants.
- Erection of water system storage tanks and towers.
- Development of pumping stations for water and sewage systems.
- Reservoir construction and related water storage infrastructure.
- Water well drilling and boring excluding oil and gas intake wells.
Business Types for NAICS 237110
- General contractors specializing in water and sewer infrastructure.
- Specialty trade contractors focused on pipeline and pumping stations.
- Civil engineering and construction firms.
- Municipal and public utility contractors.
- Environmental and infrastructure rehabilitation companies.
Subcategories for NAICS 237110
- Aqueduct construction
- Artesian well construction
- Capping of water wells
- Construction management, water and sewage treatment plant
- Construction management, water and sewer line
- Distribution line, sewer and water, construction
- Drilling water wells (except water intake wells in oil and gas fields)
- Fire hydrant installation
- Geothermal drilling
- Hydrant and flushing hydrant installation
- Irrigation project construction (except lawn)
- Lagoon, sewage treatment construction
- Pumping station, water and sewage system, construction
- Reservoir construction
- Sanitary sewer construction
- Sewage collection and disposal line construction
- Sewage disposal plant construction
- Sewage treatment plant construction
- Sewer construction
- Sewer main, pipe and connection, construction
- Storm sewer construction
- Utility line (i.e., sewer, water), construction
- Water desalination plant construction
- Water filtration plant construction
- Water main and line construction
- Water pumping or lift station construction
- Water sampling station installation
- Water system storage tank and tower construction
- Water treatment plant construction
- Water well drilling, digging, boring or sinking (except water intake wells in oil and gas fields)
- Water well pump and well piping system installation
Government Buyers for NAICS 237110
Government agencies at the federal, state, and local levels are the primary purchasers of services under NAICS 237110. These agencies include municipal water departments, public utilities, environmental protection agencies, and public works departments. They require these services to build, upgrade, and maintain essential water distribution and wastewater management systems to serve growing populations, comply with environmental regulations, and improve public health outcomes. Reliable water and sewer infrastructure is fundamental to community development, making these contracts crucial for sustaining and expanding infrastructure capabilities.
Contract Types & Procurement for NAICS 237110
Contracts awarded under NAICS 237110 typically include firm-fixed-price, cost-reimbursement, and indefinite delivery/indefinite quantity (IDIQ) contracts. Procurement methods often involve competitive bidding, requests for proposals (RFPs), and invitations for bids (IFBs), reflecting the public nature of infrastructure projects. Contract values can vary widely depending on project scope, from smaller repair and rehabilitation contracts valued at a few hundred thousand dollars to large-scale construction projects exceeding several million dollars. Multi-year contracts and task orders are common for ongoing maintenance and phased infrastructure development.
Details for NAICS 237110
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