NAICS codes / 221320

NAICS 221320: Sewage Treatment Facilities — open federal opportunities

15 open notices on SAM.gov. Top buyers: INTERIOR, DEPARTMENT OF THE (12), INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO (2), AGRICULTURE, DEPARTMENT OF (1).

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Y--GRCA 257282 - Replace Wastewater Plant at South Ri

INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · Solicitation · posted Oct 28, 2026

NAICS 221320Due Nov 18, 2026Grand Canyon, AZ

Y--GRCA 257282 - Replace Wastewater Plant at South Ri

INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · Solicitation · posted Oct 27, 2026

NAICS 221320Due Nov 18, 2026Grand Canyon, AZ

Operations and Maintenance (O&M) Services for the SBIWTP

INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO · INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO · Solicitation · posted Oct 20, 2026

NAICS 221320Due Jan 6, 2027San Ysidro, CA

Y--GRCA 257282 - Replace Wastewater Plant at South Ri

INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · Solicitation · posted Oct 16, 2026

NAICS 221320Due Nov 18, 2026Grand Canyon, AZ

Operations and Maintenance (O&M) Services for the SBIWTP

INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO · INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO · Solicitation · posted Sep 25, 2026

NAICS 221320Due Jan 6, 2027San Ysidro, CA

Y--GRCA 257282 - Replace Wastewater Plant at South Ri

INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · Solicitation · posted Sep 18, 2026

NAICS 221320Due Nov 2, 2026Grand Canyon, AZ

Y--GRCA 257282 - Replace Wastewater Plant at South Ri

INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · Solicitation · posted Sep 3, 2026

NAICS 221320Due Nov 2, 2026Grand Canyon, AZ

Y--GRCA 257282 - Replace Wastewater Plant at South Ri

INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · Solicitation · posted Sep 2, 2026

NAICS 221320Due Nov 2, 2026Grand Canyon, AZ

Y--GRCA 257282 - Replace Wastewater Plant at South Ri

INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · Solicitation · posted Aug 11, 2026

NAICS 221320Due Nov 2, 2026Grand Canyon, AZ

Y--GRCA 257282 - Replace Wastewater Plant at South Ri

INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · Solicitation · posted Aug 7, 2026

NAICS 221320Due Nov 2, 2026Grand Canyon, AZ

Y--GRCA 257282 - Replace Wastewater Plant at South Rim Village

INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · Special Notice · posted Aug 1, 2026

NAICS 221320Due Nov 2, 2026

GRCA 257282 - Replace Wastewater Plant at South Ri

INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · Solicitation · posted Jul 31, 2026

NAICS 221320Due Nov 2, 2026

Y--GRCA 257282 - Replace South Rim Wastewater Treatment Plant, Grand Canyon, AZ

INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · Presolicitation · posted Jul 20, 2026

NAICS 221320Due Nov 2, 2026

Y--GRCA 257282 - Replace South Rim Wastewater Treatment Plant, Grand Canyon, AZ

INTERIOR, DEPARTMENT OF THE · NATIONAL PARK SERVICE · Presolicitation · posted Jul 16, 2026

NAICS 221320Due Nov 2, 2026

Lagoon Aeration

AGRICULTURE, DEPARTMENT OF · FOREST SERVICE · Presolicitation · posted Nov 6, 2024

NAICS 221320Small Business (total)Due Nov 19, 2028Mammoth Cave, KY

Related NAICS codes (industry group 2213)

221310 Water Supply and Irrigation Systems (4 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