# NAICS 237110: Water and Sewer Line and Related Structures Construction

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [237110 Water and Sewer Line and Related Structures Construction](https://bidrover.com/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.

- NAICS code: 237110
- Title: Water and Sewer Line and Related Structures Construction
- Sector: 23 Construction
- Subsector: 237 Heavy and Civil Engineering Construction
- Industry group: 2371 Utility System Construction
- SBA size standard: $45 million average annual receipts
- Open bids on BidRover: 50
- Updated: Oct 23, 2026

## Open bids (50)

- [City of Fort Wayne, IN 2026 CIPP Pkg #1 – Small and Medium Diameter Project](https://bidrover.com/bids/city-of-fort-wayne-in-2026-cipp-pkg-1-small-and-medium-diameter-project--642d6ec4-4007-4e0c-9374-bde7b8daa017) — Construction & facilities · Indiana, United States · due 2026-11-05
- [FY27-ITBCON-34-McAlpine Creek 54”](https://bidrover.com/bids/fy27-itbcon-34-mcalpine-creek-54--0b95f6ce-0aa1-4560-9c47-10031d583dc4) — Construction & facilities · North Carolina, United States · due 2026-11-10
- [Morgans Branch Force Main and Pump Station Improvements. Project No. SRP-W-134-0290](https://bidrover.com/bids/morgans-branch-force-main-and-pump-station-improvements-project-no-srp-w-134-029--ab492325-aa31-4213-8f18-53194322e1b8) — Construction & facilities · North Carolina, United States · due 2026-11-11
- [MWWTP Secondary Reactors Rehabilitation, Phase 2](https://bidrover.com/bids/mwwtp-secondary-reactors-rehabilitation-phase-2--7ce8df25-3dd6-485e-9458-2eb2e4d04442) — Construction & facilities · California, United States · due 2026-11-18
- [MWWTP Secondary Reactors Rehabilitation, Phase 2](https://bidrover.com/bids/mwwtp-secondary-reactors-rehabilitation-phase-2--a4a000db-d79a-4bb0-9402-07ec2a22b68a) — Construction & facilities · California, United States · due 2026-11-18
- [Elgin, MN: Storm Sewer Lining/Sealing - Elgin C-Store](https://bidrover.com/bids/elgin-mn-storm-sewer-lining-sealing-elgin-c-store--2d106e7f-05aa-4e6f-809e-6045029c534c) — Construction & facilities · Minnesota, United States · due 2026-10-23
- [Tract 11 Lead Service Line & Water Main Replacement in Fort Wayne, IN](https://bidrover.com/bids/tract-11-lead-service-line-and-water-main-replacement-in-fort-wayne-in--914813ea-b3c3-4344-a067-eb2f8b9a20ab) — Construction & facilities · Indiana, United States · due 2026-10-28
- [City of San Diego’s Alvarado Trunk Sewer Phase IV and Water Main Relocation Bid Package A; K-27-2470-DBB-3-C](https://bidrover.com/bids/city-of-san-diego-s-alvarado-trunk-sewer-phase-iv-and-water-main-relocation-bid--504d7d9f-ad2d-4f94-abb3-a170521652a3) — Construction & facilities · California, United States · due 2026-10-28
- [MWWTP Effluent FM Surge & Transient Design Build Services (UN 1282)](https://bidrover.com/bids/mwwtp-effluent-fm-surge-and-transient-design-build-services-un-1282--5a3a5c9d-44ce-40cc-8c06-fd4194c332d7) — Construction & facilities · Maryland, United States · due 2026-10-30
- [WC 1456 Lead Pipe Inspection](https://bidrover.com/bids/wc-1456-lead-pipe-inspection--8fd0d956-cd2d-4091-a2cf-c717f5844a4a) — Construction & facilities · Maryland, United States · due 2026-11-04
- [SDC 7807 Drainage Repairs](https://bidrover.com/bids/sdc-7807-drainage-repairs--a82142b1-9d5b-4b03-bdb3-efd9bb3a6251) — Construction & facilities · Maryland, United States · due 2026-11-04
- [Salem, IL - Sanitary Sewer improvements](https://bidrover.com/bids/salem-il-sanitary-sewer-improvements--20dfde31-83e4-447a-867f-4ae50c15f456) — Construction & facilities · Illinois, United States · due 2026-11-04

## Frequently asked questions

### What is NAICS code 237110?

NAICS 237110 is "Water and Sewer Line and Related Structures Construction" in the 2022 North American Industry Classification System, in sector 23 (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.

### What is the SBA size standard for NAICS 237110?

A business is small under NAICS 237110 at or below $45 million average annual receipts, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 237110?

BidRover counts 50 open bids that cite NAICS 237110 as of Oct 23, 2026, refreshed every hour from official public sources. Many state and local notices do not list a NAICS code, so search by keyword too.

### How do I get alerts for NAICS 237110 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

- [237990 Other Heavy and Civil Engineering Construction](https://bidrover.com/naics/237990)
- [238910 Site Preparation Contractors](https://bidrover.com/naics/238910)
- [213111 Drilling Oil and Gas Wells](https://bidrover.com/naics/213111)
- [237120 Oil and Gas Pipeline and Related Structures Construction](https://bidrover.com/naics/237120)
- [237130 Power and Communication Line and Related Structures Construction](https://bidrover.com/naics/237130)

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Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.