Open tenders

Open water, sewage & other systems tenders

16 open solicitations under NAICS 2213.

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3 NAICS codes in 2213, with SBA size standards
  • 221310 Water Supply and Irrigation Systems small up to $41 million in average annual receipts
  • 221320 Sewage Treatment Facilities small up to $35 million in average annual receipts
  • 221330 Steam and Air-Conditioning Supply small up to $30 million in average annual receipts
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Showing 1–16 of 16 open solicitations

45 days left California

3-60 (Construction), Knott-Miller Holder Artesia Branch Rehabilitation

Orange County Sanitation District, CA

This Project will rehabilitate a portion of the Knott Interceptor, Miller Holder Trunk and Artesia Branch sewers in the City of Buena Park. The Project includes the rehabilitation of approximately 3,900 feet of 18-inch to 45-inch sewer, rehabilitation of 37 manholes, and installation of three new 84-inch manholes. One new air jumper will also be installed in the City of La Palma.

Closes
November 16, 2026
Added
September 30, 2026
7 days left Ohio Small Business Set Aside - Total

FA8601 - Industrial Water Treatment at Wright-Patterson AFB

DEPT OF DEFENSE.DEPT OF THE AIR FORCE.AIR FORCE MATERIEL COMMAND.AIR FORCE LIFE CYCLE MANAGEMENT CENTER.FA8601 AFLCMC PZIO

COMBINED SYNOPSIS/SOLICITATION This is a combined synopsis/solicitation, which is expected to result in award of a Firm Fixed Price contract for commercial services, to provide industrial water treatment of cooling towers, package boilers, high temperature water (HTHW) central heating plan, central steam plant, heat exchanger heating systems and closed loop systems at Wright-Patterson Air Force Ba

Closes
October 9, 2026
Added
September 26, 2026
14 days left Mississippi Small Business Set Aside - Total

FCC Yazoo City FY 2027 Water Treatment Services

JUSTICE, DEPARTMENT OF.FEDERAL PRISON SYSTEM / BUREAU OF PRISONS.FCC YAZOO CITY

NAICS 221310; PSC Z1NE; Set-aside: Small Business Set Aside - Total; Place of performance: Yazoo City, MS

Closes
October 16, 2026
Added
September 26, 2026
96 days left California No Set aside used

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

INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO.INTERNATIONAL BOUNDARY AND WATER COMMISSION: US-MEXICO.INTERNAT BOUNDARY AND WATER COMM

NAICS 221320; PSC M1ND; Set-aside: No Set aside used; Place of performance: San Ysidro, CA

Closes
January 6, 2027
Added
September 26, 2026
11 days left Maryland

Furnish and Deliver Small and Large Water Meters

Washington Suburban Sanitary Commission, MD

The Washington Suburban Sanitary Commission, MD (the "WSSC"), is soliciting sealed responses for Project Title. Responses are to be submitted via WSSC's eProcurement Portal via https://procurement.opengov.com/portal/wsscwater PRIOR TO Response Submission Time on Response Submission Date. Late responses will not be accepted. The Washington Suburban Sanitary Commission (WSSC) seeks qualified Contrac

Closes
October 13, 2026
Added
September 22, 2026
31 days left Arizona

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

INTERIOR, DEPARTMENT OF THE.NATIONAL PARK SERVICE.DSC CONTRACTING SERVICES DIVISION

NAICS 221320; PSC Y1ND; Place of performance: Grand Canyon, AZ

Closes
November 2, 2026
Added
September 19, 2026
7 days left California Changed 14d ago

Irrigation Supplies

City of Palo Alto

The City of Palo Alto is looking for multiple vendors to fulfill the City’s need for irrigation parts and supplies on an as needed basis. The material quantities are estimated and may significantly differ from the bid quantities. A blanket purchase order will be issued upon determination of lowest bidder for a one (1) year term. With (2) 1-year optional periods. Price will be firm for the initial

Closes
October 8, 2026
Added
September 18, 2026
5 days left California

SUNFLOWER BYPASS PUMPING PLAN FOR WET SEASON 2026-2027

Orange County Sanitation District, CA

OC San requires temporary bypass pumping at its Sunflower Lift Station for Pump#1 during the 2026/2027 wet weather season. The Contractor shall provide a complete temporary bypass pumping system capable of continuously conveying flows ranging from 10MGD to 40MGD under all anticipated wet well and receiving channel wet well levels.

Closes
October 7, 2026
Added
September 16, 2026
12 days left California Changed 2d ago

As-needed catch basin maintenance services

City of Calabasas

The City of Calabasas (City) seeks to establish one or more contracts for maintenance and inspections of retrofitted catch basins. Catch basin cleaning may include debris/dirt removal, disposal and other clean-up activities associated with erosion, contaminants, excessive rain, vegetation, or other objects that fill catch basins and/or create blockages to the storm sewer system on an as-needed or

Closes
October 14, 2026
Added
September 1, 2026
13 days left Arizona Changed 6d ago

Sundog Trunk Main Sewer Phase C3

City of Prescott

The City of Prescott, Arizona, is advancing its long-term wastewater infrastructure centralization initiative through the Sundog Trunk Main Sewer Phase C3 Project. This critical capital improvement project supports the consolidation of wastewater treatment operations from the Sundog Wastewater Treatment Plant to the more modern and expandable Airport Water Reclamation Facility. It addresses capaci

Closes
October 15, 2026
Added
August 30, 2026
1550 days left Washington

CITYWIDE CONSULTANT ROSTER: Public Utility Related Consulting

City of Seattle

The City of Seattle is requesting eligible Consultants submit an application and statement of qualifications for the establishment of public utility related consultant rosters.

Closes
December 30, 2030
Added
August 19, 2026

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