Federal NAICS Codes

NAICS 221310: Water Supply and Irrigation Systems

Explore obligations, trends, recent awards, and incumbent contractors for NAICS 221310.

NAICS 221310 federal market metrics

Total obligations
$9.8B
Total awards
27,536 awards
Active obligations
$5.7B
Size standard
$41,000,000 receipts

What this NAICS covers

NAICS 221310 covers operation and maintenance of water supply and irrigation systems including treatment, pumping, storage, transmission, distribution, meter management, and delivery services that provide potable water and agricultural irrigation water to customers and service areas.

Federal opportunities under 221310 typically involve managing and operating water or irrigation systems to ensure continuous treated water delivery, system monitoring, pumping and storage operations, maintenance, regulatory reporting, water quality testing, and rapid response to system failures.

FY2026 snapshot

Obligations
$544.4M
Awards
2,064
Average award
$263.8K
Change from FY2025
-27%

Recent awards

Search contractors

$17,022

MISCELLANEOUS FOREIGN AWARDEES

Department of State

PIID
191D3226C0030
PSC
J046 - MAINT/REPAIR/REBUILD OF EQUIPMENT- WATER PURIFICATION AND SEWAGE TREATMENT EQUIPMENT

$11,688

EAST RANGE PARTNERS LLC

Department of Veterans Affairs

PIID
36C24126P0802
PSC
J046 - MAINT/REPAIR/REBUILD OF EQUIPMENT- WATER PURIFICATION AND SEWAGE TREATMENT EQUIPMENT

$87,500

CAMERON PARISH

Department of Energy

PIID
89243526PCR000018
PSC
S114 - UTILITIES- WATER

$1,778,800

G.S.E. CONSTRUCTION COMPANY, INC.

International Boundary and Water Commission: Us-mexico

PIID
191BWC26P0090
PSC
Z2NE - REPAIR OR ALTERATION OF WATER SUPPLY FACILITIES

$23,174

THE MACLEAN GROUP LLC

Department of Veterans Affairs

PIID
36C24826N0978
PSC
J046 - MAINT/REPAIR/REBUILD OF EQUIPMENT- WATER PURIFICATION AND SEWAGE TREATMENT EQUIPMENT

$39,840

FLOWSENSE, LLC

Department of Veterans Affairs

PIID
36C26026P0563
PSC
J046 - MAINT/REPAIR/REBUILD OF EQUIPMENT- WATER PURIFICATION AND SEWAGE TREATMENT EQUIPMENT

$159,007

THE MACLEAN GROUP LLC

Department of Veterans Affairs

PIID
36C24826N0963
PSC
J046 - MAINT/REPAIR/REBUILD OF EQUIPMENT- WATER PURIFICATION AND SEWAGE TREATMENT EQUIPMENT

$108,800

LIVING WATER INDUSTRIES LLC

US Fish and Wildlife Service

PIID
140FS126P0313
PSC
Z1NE - MAINTENANCE OF WATER SUPPLY FACILITIES

FAQ

What work fits NAICS 221310?
  • Emergency repair and isolation of distribution mains to restore service, including valve operation, temporary bypass pumping, and pressure testing.
  • Design and rehabilitation of distribution pipeline segments with cleaning, lining or replacement, pressure testing, and as-built drawings for acceptance.
  • Installation or replacement of pump station equipment and controls with startup testing, vibration reports, and operations training for plant staff.
  • Telemetry and SCADA upgrades including PLC programming, sensor installation, system integration, and delivery of interface documentation and O&M manuals.
When is NAICS 221310 a weak fit?
  • Stormwater conveyance and detention system projects - focus on runoff management, culverts, and detention basins rather than potable supply or irrigation distribution.
  • Groundwater well drilling and well construction contracts - drilling and well completion without associated treatment, distribution, or storage works.
  • Wastewater collection and treatment services - sanitary sewer lines and treatment plant processes fall outside potable supply and irrigation system scope.
What solicitation language points to NAICS 221310?
  • Performance requirements specify hydraulic performance metrics such as pressure or residual disinfectant thresholds and allowable leakage or unaccounted-for-water limits.
  • Deliverables call for as-built pipeline drawings, pressure test certificates, reservoir inspection reports, and O&M manuals.
  • Labor categories list water treatment operators, pump technicians, pipeline crews, and SCADA programmers with specified certifications.

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