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NAICS Code· 237110

Water and Sewer Line and Related Structures Construction

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) Cross-References. Establishments primarily engaged in--Show more

NAICS 237110 – Water and Sewer Line and Related Structures Construction encompasses the design, installation, rehabilitation, and maintenance of potable water distribution systems, sanitary and stormwater sewer networks, pumping stations, manholes, catch basins, and associated conveyance infrastructure. This sector supports critical public health and environmental compliance objectives through the construction of buried pipelines, trenchless technologies, and hydraulic structures that integrate with municipal, federal, and tribal water resource systems.

532
Active Contracts
$1.7B
Total Obligations (12mo)
809
Awarded Contracts (12mo)
487
Contractors Awarded (12mo)
-67.0%
YoY Growth

Awarded Contractors

Companies that have received federal awards classified under NAICS 237110.

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NAICS 237110 FAQ

Frequently Asked Questions

NAICS code 237110 covers Water and Sewer Line and Related Structures Construction. 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) Cross-References. Establishments primarily engaged in--

Recently Posted in Water and Sewer Line and Related Structures Construction

NAICS: 237110
New
SLED
1947 Watermain - North Bound Airport Expressway PreservationThe Port of Seattle’s Aviation Project Management Group is preparing to restore the integrity of a 1947 water main located along the northbound Airport Expressway using cured-in-place pipe (CIPP) technology under a Design-Bid-Build procurement model. This infrastructure initiative aims to extend the service life of the aging waterline without excavation by inserting and curing a resin-saturated liner within the existing pipe, ensuring minimal disruption to surrounding traffic and utilities. The project is classified under NAICS code 237110, indicating it falls under Water and Sewer Line and Related Structures Construction, and is expected to involve detailed engineering assessments, material specifications compliant with industry standards, and adherence to municipal and environmental regulations during execution. The solicitation is forecasted for release in July 2026, with Moraa Omwega listed as the primary point of contact and Ray Moreno serving as the Project Manager, both available through the Port of Seattle’s official channels for inquiries. Although the exact location details are not specified in the data provided, the place of performance is clearly tied to the northbound corridor of the Airport Expressway. Contractors interested in bidding will need to await formal solicitation documents to understand scope, timelines, bonding requirements, and compliance protocols, with all work expected to meet the Port’s stringent standards for safety, environmental stewardship, and long-term infrastructure resilience.
Aviation Project Management Group

POSTED

about 5 hours ago

DEADLINE

N/A
View Details
NAICS: 237110
New
SLED
T18 Water Main Replacement - ConstructionThe contract involves replacing approximately 20,000 feet of water mains along with associated fittings, valves, hydrants, and ship water infrastructure within the east 100 acres of Terminal 18. This construction effort is aimed at modernizing and ensuring the reliability of the water distribution system in a critical port area. The project is forecasted by the Northwest Seaport Alliance, specifically under the Port of Seattle, and is classified under NAICS code 237110, indicating it falls under water and sewer line and related structures construction. The solicitation was posted on July 15, 2026, and while no set-aside type has been designated, the work is expected to require specialized civil construction expertise. Primary point of contact for the contract is Angela Peterson, reachable via email and phone, with Greg Stamatiou serving as the Project Manager for technical coordination. Although the place of performance and office address details are not fully specified, the project location is clearly identified as Terminal 18, and all communications and submissions should be directed through the Port of Seattle. Interested parties should review the full solicitation details through the provided UI link to access additional requirements, timelines, and submission guidelines.
Northwest Seaport Alliance (NWSA)

POSTED

about 5 hours ago

DEADLINE

N/A
View Details
NAICS: 237110
New
SLED
Separate written sealed BIDS for a General Contract for the furnishing of all labor and materials for the construction of: HIGHWAY 18 SEWER EXTENSION PHASE 1 will be received by the Mayor and Board of Aldermen of the CITY OF BRANDON herein afterSealed bids are being solicited for the general contract to supply all labor and materials for Phase 1 of the Highway 18 Sewer Extension project in Mississippi, to be awarded by the Mayor and Board of Aldermen of the City of Brandon. The solicitation, identified by number 255-20260624093922 Brandon, was posted on July 14, 2026, with bids due no later than July 24, 2026, at 6:00 PM. The work involves the construction of sewer infrastructure and must be performed entirely within the state of Mississippi, with no set-aside provisions specified. The bidding process is managed under the agency name MPTAP and is accessible through the official Mississippi government procurement portal. All interested parties must submit written, sealed bids in accordance with the requirements outlined by the City of Brandon.
MPTAP

POSTED

about 16 hours ago

DEADLINE

in 9 days
View Details
NAICS: 237110
New
SLED
Storm Drainage & Culvert InstallationThe contract encompasses the installation of storm drainage systems, culverts, and erosion control measures as part of infrastructure improvements for Avent Ferry Road and associated sidewalk projects. Work is scheduled under a subcontract arrangement with a response deadline of August 13, 2026, and was posted on July 14, 2026, with the NAICS code 237110 indicating civil engineering construction focused on water and sewer line and related infrastructure. The project is commissioned by the City of Raleigh within the state of North Carolina, with performance expected to occur along Avent Ferry Road, though specific location details are not provided. All activities must comply with standards for stormwater management and environmental protection, ensuring long-term functionality and resilience of the roadway and pedestrian systems against water-related damage.
City of Raleigh

POSTED

about 17 hours ago

DEADLINE

in 29 days
View Details
NAICS: 237110
New
SLED
2025 CDBG: Sanitary Sewer System & Storm Drain ImprovementsThe contract involves the construction and rehabilitation of sanitary sewer and storm drain infrastructure within Georgia, including approximately 2,585 linear feet of 8-inch DR 17 HDPE pipe installed via bursting, rehabilitation of about 11 existing manholes, and installation of 34 new sanitary sewer services connecting to existing structures. Parallel work includes laying about 5,386 linear feet of rollover curb and gutter aligned with existing roadway grades, installing 2,188 linear feet of 18-inch reinforced concrete pipe for storm drainage, and constructing 11 GDOT 1019a stormwater structures. The project requires comprehensive surface restoration including approximately 256 tons of OGI Superpave and 406 tons of 9.5mm Superpave asphalt, striping, erosion control measures, traffic control, bypass pumping, and full restoration of disturbed surfaces. All work must be completed with adherence to strict material and labor standards under the Build America, Buy America Act, ensuring that all iron, steel, manufactured products, and construction materials used are produced in the United States, unless subject to an applicable waiver. The project falls under the City of Monroe’s commitment to Fair Housing and is subject to Section 3 of the HUD Act of 1968, requiring that economic opportunities from the contract be directed toward low- and very low-income persons and businesses in the surrounding area. Section 3 compliance documentation must be provided prior to award. The City of Monroe affirms equal access to its services and employment regardless of race, color, national origin, religion, sex, familial status, disability, or age. The solicitation, numbered PE-74750-NONST-2026-000000025, was posted on July 14, 2026, with proposals due by August 14, 2026, and is administered under the Georgia Department of Administrative Services. All bids must meet federal procurement guidelines, and the point of contact for inquiries is JamieLynn R. Harris.
City of Monroe

POSTED

about 19 hours ago

DEADLINE

in about 1 month
View Details
NAICS: 237110
New
SLED
Sanitary Sewer Pipe Installation (Pipe Bursting)The contract involves the installation of approximately 2,585 linear feet of 8-inch DR 17 HDPE sanitary sewer pipe using trenchless pipe bursting technology, minimizing surface disruption and reducing environmental impact. The work is to be completed under a subcontract agreement issued by the City of Monroe in Georgia, with a NAICS code of 237110 indicating it falls under utility system construction. The solicitation was posted on July 14, 2026, and all responses must be submitted by August 14, 2026, at 4:00 PM. Performance of the work is expected to occur within the jurisdiction of the City of Monroe, though specific location details are not provided. The contract does not specify a set-aside designation, and no point of contact information is included in the notice. Interested parties must submit proposals through the designated state procurement portal linked in the notice.
City of Monroe

POSTED

about 19 hours ago

DEADLINE

in about 1 month
View Details
NAICS: 237110
New
SLED
GDOT 1019a Structures InstallationThe contract requires the installation of eleven stormwater structures compliant with GDOT Standard Specification 1019a, specifically precast concrete catch basins or inlets, to be completed at a location governed by the Georgia Department of Transportation standards. The work is being procured as a subcontract under the City of Monroe, with the North American Industry Classification System code 237110 indicating it falls under Highway, Street, and Bridge Construction. The solicitation was posted on July 14, 2026, and responses must be submitted by 4:00 PM on August 14, 2026. All installations must meet the prescribed engineering and material standards outlined in GDOT 1019a to ensure proper functionality and longevity of the stormwater infrastructure. The project’s place of performance and specific site details are not provided, but compliance with GDOT specifications is mandatory, and the contractor is expected to manage logistics, permitting, and field execution without additional agency oversight beyond adherence to the standard.
City of Monroe

POSTED

about 19 hours ago

DEADLINE

in about 1 month
View Details
NAICS: 237110
New
SLED
New Sewer Service InstallationThe contract titled New Sewer Service Installation involves the installation of 34 new sanitary sewer service connections from the main line to individual properties within the jurisdiction of the City of Monroe in Georgia. This subcontract is classified under NAICS code 237110, which pertains to water and sewer line and related structures construction, indicating that the work focuses on civil infrastructure related to wastewater collection systems. The solicitation was posted on July 14, 2026, with a response deadline of August 14, 2026, at 4:00 PM, requiring interested parties to submit proposals by this date to be considered. The place of performance is located within the City of Monroe, though specific geographic details such as street locations or property boundaries are not provided in the dataset. There is no designated set-aside type, meaning the contract is open to all eligible contractors without preference given to small businesses, minority-owned firms, or other designated categories. All work must be performed in accordance with municipal and state standards for sanitary sewer systems, and bidders are expected to have the necessary experience, equipment, and licensing to complete the installations safely and in compliance with applicable codes. Access to full technical specifications and requirements is available via the provided online portal link.
City of Monroe

POSTED

about 19 hours ago

DEADLINE

in about 1 month
View Details
NAICS: 237110
New
SLED
Storm Drain Pipe InstallationThe contract requires the installation of 2,188 linear feet of 18-inch reinforced concrete pipe for storm drainage purposes under a subcontract arrangement. The work is being procured by the City of Monroe in Georgia under NAICS code 237110, which corresponds to water and sewer line and related structures construction. The solicitation was posted on July 14, 2026, with a response deadline of August 14, 2026, at 4:00 PM. While the specific location within Georgia is not detailed, the place of performance is expected to be within the jurisdiction of the City of Monroe. All proposals must be submitted by the stated deadline, and the project falls under a general subcontract category without any specified set-aside provisions for small businesses or other designations. The official reference for the solicitation can be accessed via the provided URL.
City of Monroe

POSTED

about 19 hours ago

DEADLINE

in about 1 month
View Details
NAICS: 237110
New
SLED
WATER LINE INSTALLRock County in Wisconsin is seeking bids for the installation of a water line under solicitation number Q-26-RFQ-05-0-2026SS, with the request posted on July 14, 2026, and responses due by July 28, 2026, at 10:00 PM. The project falls under a state, local, or educational government procurement and is limited to performance within Rock County, Wisconsin. No set-aside classification or NAICS code is specified, and no point of contact details are provided in the documentation. Interested parties must submit their proposals through the designated online portal before the deadline to be considered for award.
Rock County

POSTED

about 21 hours ago

DEADLINE

in 13 days
View Details
NAICS: 237110
New
Federal
9-Mile Pump StationThe U.S. Army Corps of Engineers Detroit District, in collaboration with Macomb County Public Works, is preparing to issue a Firm-Fixed-Price construction contract for the 9-Mile Pump Station project in St. Clair Shores, Michigan. The project involves building a combined sewer overflow pump station capable of handling 615 cubic feet per second, featuring coarse screening, passive odor control, and backup power connected to the Chapaton Pump Station. Work will include demolition, utility rerouting and connections, excavation, steel pile foundation installation, construction of a single-story pumphouse, site restoration, and integration with existing high-capacity storm sewers. All materials, labor, equipment, and administrative tasks must be provided by the contractor. The solicitation will be issued as an Invitation for Bid under full and open competition, requiring a bid bond, and is classified under NAICS code 237110 with a small business size standard of $45 million in average annual receipts. A Project Labor Agreement is mandatory under Executive Order 14063 due to the project's scale, and participation requires registration in the System for Award Management prior to bidding. The solicitation is anticipated to be posted in August 2026, with construction completion expected by March 2029. All solicitation documents including plans, specifications, and attachments will be available exclusively through the PIEE Solicitation Module and SAM.gov; no paper copies will be provided. Contractors must regularly monitor these government websites for updates and amendments, as the government assumes no responsibility for accessibility issues or missed revisions. Brand name or brand name or equal justifications will be included with the official solicitation. Point of contact for inquiries is Michelle Barr, with secondary support from Lisa May. Interested parties are advised to review the Interested Vendors List on SAM.gov to ensure proper visibility, as the government will not maintain a separate bidder list. Failure to access or comply with the electronic solicitation materials posted on official government sites may result in disqualification.
W072 Endist Detroit

POSTED

about 22 hours ago

DEADLINE

N/A
View Details
NAICS: 237110
Closed
Federal
Shenango River Lake Water Tank RehabiliationThe U.S. Army Corps of Engineers, Pittsburgh District, is seeking bids for the rehabilitation of the elevated water tank at Shenango Lake in Mercer County, Pennsylvania, under solicitation W911WN26BA014, a 100% Small Business Set-Aside governed by FAR 19.5. The project requires comprehensive interior replacement of all piping, valves, risers, overflow and drain lines, along with associated heat tracing, insulation, and supports, as well as removal and replacement of a 6-inch interior concrete slab with reinforcement, fill material, expansion joints, and appurtenances for embedded utilities. The removable grating and its supporting angles must be replaced in-kind, while all interior electrical panels—Lighting, Safety Switch, Cathodic Protection, and Pump Control—must be replaced with new units that functionally duplicate existing systems. The existing access ladder must be removed and replaced with an OSHA-compliant ladder and a flexible cable-type safety climbing system complete with full body harnesses. All removed materials, including ferrous waste and electrical equipment, must be disposed of at licensed commercial facilities. Work must be conducted in close proximity to flood mitigation and recreational areas, and the tank must be emptied during the off-season—either fall 2026/winter 2027 or fall 2027/2028—only after coordination and approval by the Contracting Officer and government staff. Substantial completion is mandated no later than May 15, 2027, requiring full installation, testing, disinfecting, and government acceptance of all water-contact components to ensure the recreational area opens to the public on time, with the government scheduled to refill the tank around May 15 of both 2027 and 2028. All bids must be submitted via the Procurement Integrated Enterprise Environment (PIEE) by the deadline, and only small businesses meeting the $45 million size standard under NAICS Code 237110 are eligible to respond.
W072 Endist Pittsburgh

POSTED

about 22 hours ago

CLOSED

about 19 hours ago
View Details

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