NAICS 23711in2371:Utility System Construction

Water and Sewer Line and Related Structures Construction

386 active contract opportunities

386

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Top Industries

  • Water and Sewer Line and Related Structures Construction362
  • NAICS 237110 Water and Sewer Line and Related Structures Construction24

Set-Aside Distribution

  • 127
  • Small Business83
  • Small Business Set Aside - Total47
  • Full & Open46
  • SDVOSB22

Top Locations

  • CA74
  • VA45
  • UT22
  • CO20
  • OK20

About NAICS23711

The North American Industry Classification System (NAICS) code 23711 covers water and sewer line and related structures construction. Federal agencies use NAICS codes to classify contracts by industry. Businesses should register their applicable NAICS codes in SAM.gov.

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Related Industries

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Tres Piedras Waterline Replacement

AGRICULTURE, DEPARTMENT OF
Albuquerque, NM
NAICS 237110
Posted Aug 6, 2026
Small Business Set Aside - Total

9-Mile Pump Station

DEPT OF DEFENSE
DETROIT, MI
NAICS 237110
Posted Aug 6, 2026
Due Sep 17, 2026

Corydon Well Replacement Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Aug 5, 2026
Due Sep 1, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Disadvantaged Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Sanitary Sewer & Recycled Water Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Aug 5, 2026
Due Sep 1, 2026
Small Disadvantaged Business (SDB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Sanitary Sewer & Recycled Water Project in Colusa, CA

Small Business Administration (SBA)
CA
NAICS 237110
Posted Aug 5, 2026
Due Sep 1, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Y-SLATE CREEK SECTION 22 WATER WELL

INTERIOR, DEPARTMENT OF THE
PORTLAND, OR
NAICS 237110
Posted Aug 5, 2026
Due Aug 22, 2026
Small Business Set Aside - Total

Flagstaff Ranger Station Wastewater System Improvements - Coconino NF

AGRICULTURE, DEPARTMENT OF
Albuquerque, NM
NAICS 237110
Posted Aug 5, 2026
Due Sep 7, 2026
Small Business Set Aside - Total

Y-FORT HOWES WATER STORAGE TANK

INTERIOR, DEPARTMENT OF THE
BILLINGS, MT
NAICS 237110
Posted Aug 5, 2026

Y1NZ-Design-Build (DB) Connect Reclaim Water at Lake Baldwin Campus

VETERANS AFFAIRS, DEPARTMENT OF
TAMPA, FL
NAICS 237110
Posted Aug 5, 2026
SDVOSB

Secondary Treatment System Upgrades Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Aug 4, 2026
Due Sep 3, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Disadvantaged Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Z-PARK CENTER WELL VALVE REPLACEMENT

INTERIOR, DEPARTMENT OF THE
Lakewood, CO
NAICS 237110
Posted Aug 4, 2026
Due Aug 28, 2026
Small Business Set Aside - Total

NGWSP Cutter Lateral Reach 21 Booster Plant

INTERIOR, DEPARTMENT OF THE
SALT LAKE CITY, UT
NAICS 237110
Posted Aug 4, 2026
Due Sep 7, 2026

Cahokia Heights Sanitary Sewer Trunkline Upper Limits Project

DEPT OF DEFENSE
SAINT LOUIS, MO
NAICS 237110
Posted Aug 4, 2026

Seeking Qualified Subconsultants for Elsinore Valley Municipal Water District’s Corydon Well Replacement C2305

Small Business Administration (SBA)
CA
NAICS 237110
Posted Aug 3, 2026
Due Sep 1, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB), Alaskan Native Corporation (ANC) or Indian Tribe (IT), Native Hawaiian Organization (NHO), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Disadvantaged Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Terrytown Well Grand Mesa, Uncompahgre & Gunnison (GMUG) National Forests, Colorado

AGRICULTURE, DEPARTMENT OF
Ogden, UT
NAICS 237110
Posted Aug 3, 2026
Small Business Set Aside - Total

NORSD Water Resource Recovery Facility (WRRF) Expansion

Small Business Administration (SBA)
CA
NAICS 237110
Posted Aug 1, 2026
Due Sep 17, 2026
Small Business (SB), Women-Owned Small Business (WOSB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Secondary Treatment System Upgrades Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Jul 30, 2026
Due Sep 3, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Sanitary Sewer Improvements, Various Locations in Rockville, MD

Small Business Administration (SBA)
MD
NAICS 237110
Posted Jul 29, 2026
Due Sep 4, 2026
Women-Owned Small Business (WOSB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB), Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Buccaneer Lift Station Fixed Price Design-Build

Small Business Administration (SBA)
CA
NAICS 237110
Posted Jul 29, 2026
Due Sep 16, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB), Alaskan Native Corporation (ANC) or Indian Tribe (IT), Native Hawaiian Organization (NHO), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Disadvantaged Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

J-FOSM - REPLACE BACKFLOW PREVENTION ASSEMBLIES

INTERIOR, DEPARTMENT OF THE
OMAHA, NE
NAICS 237110
Posted Jul 29, 2026
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