NAICS codes / 221310

NAICS 221310: Water Supply and Irrigation Systems — open federal opportunities

4 open notices on SAM.gov. Top buyers: DEPT OF DEFENSE (2), VETERANS AFFAIRS, DEPARTMENT OF (1), ENVIRONMENTAL PROTECTION AGENCY (1).

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Water system Maintenance

VETERANS AFFAIRS, DEPARTMENT OF · VETERANS AFFAIRS, DEPARTMENT OF · Sources Sought · posted Oct 30, 2026

NAICS 221310Small Business (total)Due Nov 6, 2026Walla Walla, WA

Utilities Privatization of the Water System at U.S. Army Garrison-Hawaii (USAG-HI), Island of Oahu

DEPT OF DEFENSE · DEFENSE LOGISTICS AGENCY · Solicitation · posted Oct 28, 2026

NAICS 221310Due Jan 7, 2027Schofield Barracks, HI

Utilities Privatization of the Water System at U.S. Army Garrison-Hawaii (USAG-HI), Island of Oahu

DEPT OF DEFENSE · DEFENSE LOGISTICS AGENCY · Solicitation · posted Sep 25, 2026

NAICS 221310Due Jan 7, 2027Schofield Barracks, HI

66--Single Purchase of an Agilent 8890 GC System Custom with dual ECD detectors

ENVIRONMENTAL PROTECTION AGENCY · ENVIRONMENTAL PROTECTION AGENCY · Special Notice · posted Mar 26, 2026

NAICS 221310Due Apr 26, 2027

Related NAICS codes (industry group 2213)

221320 Sewage Treatment Facilities (15 open)
2213 Water, Sewage and Other Systems (2 open)

How NAICS codes decide small business size: NAICS codes for small business · notice types explained · set-asides