NAICS 23711in2371:Utility System Construction

Water and Sewer Line and Related Structures Construction

236 active contract opportunities

236

Active Opportunities

191

Posted Last 7 Days

30 days

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Top Industries

  • Water and Sewer Line and Related Structures Construction212
  • NAICS 237110 Water and Sewer Line and Related Structures Construction24

Set-Aside Distribution

  • 75
  • Small Business68
  • Full & Open44
  • SDVOSB14
  • Buy Indian10

Top Locations

  • CA52
  • VA26
  • OK15
  • CO10
  • IL10

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.

SAM.gov Registration →|Set-Aside Programs →

Related Industries

23611:Residential Building Construct...23621:Industrial Building Constructi...23622:Commercial and Institutional B...23712:Oil and Gas Pipeline and Relat...23713:Power and Communication Line a...23721:Land Subdivision

Palmdale Water District: Pure Water Antelope Valley Advanced Water Purification Facility

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 29, 2026
Due Jun 19, 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)

Canyon Lake Water Treatment Plant Improvements

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 29, 2026
Due Jun 24, 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)

W2E WATER TREATMENT PLANT

Small Business Administration (SBA)
IL
NAICS 237110
Posted Apr 29, 2026
Due May 18, 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)

Atherton WWTP Blower Replacement Project

Small Business Administration (SBA)
MO
NAICS 237110
Posted Apr 29, 2026
Due May 26, 2026
Small Business (SB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Penitencia Delivery and Force Main Inspection

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 28, 2026
Due May 6, 2026
Small Business (SB)

Canyon Lake Water Treatment Plant

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 27, 2026
Due Jun 24, 2026
Small Business (SB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

20151 SX0 Whitemarsh

Small Business Administration (SBA)
MD
NAICS 237110
Posted Apr 23, 2026
Due Jun 4, 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)

Burney Water District Lead Service Line Inventory

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 23, 2026
Due Apr 30, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation

THE VILLAGE OF PEORIA HEIGHTS, IL – WATER TREATMENT PLANT FILTER ADDITION PROJECT

Small Business Administration (SBA)
IL
NAICS 237110
Posted Apr 21, 2026
Due May 26, 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)

Medford WC - Capital Hill 12MG Reservoir

Small Business Administration (SBA)
OR
NAICS 237110
Posted Apr 21, 2026
Due May 5, 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)

2026 Water Meter Installation Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 15, 2026
Due May 5, 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)

Sewer Collection System Pipeline Rehabilitation and Replacement Project Phase 10

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 15, 2026
Due May 14, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), 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)

Sewer Collection System Pipeline Rehabilitation and Replacement Project Phase 10, CA

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 14, 2026
Due May 14, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Tulare Dayton Improvements Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 13, 2026
Due May 7, 2026
Small Business (SB), 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)

Coachella Valley Water District: Valley View Water Consolidation Project (Spec No. 2025-14)

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 13, 2026
Due Jun 4, 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)

SEWER COLLECTION SYSTEM PIPELINE REHABILITATION AND REPLACEMENT PROJECT PHASE 10

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 10, 2026
Due May 14, 2026
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)

SHERIDAN OLD LANDFILL CORRECTIVE MEASURES

Small Business Administration (SBA)
WY
NAICS 237110
Posted Apr 9, 2026
Due May 5, 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)

AMI Meter Replacement Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Apr 9, 2026
Due May 12, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation

SC 1047R

Small Business Administration (SBA)
MD
NAICS 237110
Posted Apr 9, 2026
Due May 6, 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)

SAWS Mission Pump Station Well No. 9

Small Business Administration (SBA)
TX
NAICS 237110
Posted Apr 9, 2026
Due May 7, 2026
Small Business (SB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)
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