This Solicitation opportunity from California was posted on September 2, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Media Filter Rehabilitation For WTP Filters #1 & #2

Closed

20260901035State & Local

Submission Closed09/29/2026, 10:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

Active Opportunities Like This One

NAICS: 237110

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IEUA RMPU Basin Improvements Project Montclair Basin Improvements

Solicitation # ieua-rmpu-basin-improvements-project-montclair-basin-improvements

The IEUA RMPU Basin Improvements Project involves construction improvements at Montclair Basin 2 and 3 in Chino, California. The primary objective is to divert available storm flows from the San Antonio Creek Channel into existing basins to facilitate groundwater recharge. The scope of work is comprehensive, requiring all materials, labor, tools, equipment, and incidentals necessary to furnish, install, commission, and deliver a fully functional project. Key activities include civil and site work such as grading, demolition, saw cutting, cold planing, and trucking, as well as the installation of concrete pipes and structures. Specialized services required for the project include electrical work, welding, construction surveys, preconstruction video, and traffic control. Norstar Plumbing and Engineering, Inc. is managing the solicitation and is specifically seeking certified and qualified DBE, MBE, SBE, and WBE subcontractors and suppliers to support these efforts. The project falls under NAICS code 237110. Interested parties must submit their bids by October 29, 2026, at 2:00 PM. Detailed plans and specifications are available through the Inland Empire Utilities Agency bidding website, and coordination is handled by primary points of contact Nathan and Destiny Plummer.

Norstar Plumbing and Engineering, Inc

POSTED

DEADLINE

Morgans Branch Force Main and Pump Station Improvements

Solicitation # SRP-W-134-0290

The Morgans Branch Force Main and Pump Station Improvements project, solicitation number SRP-W-134-0290, is a construction contract for the City of Belmont in North Carolina with a project estimate of 16,690,000 dollars. The scope of work involves the construction of 16,435 linear feet of new 20-inch ductile iron force main and comprehensive upgrades to the Morgans Branch Pumping Station. Key deliverables include the installation of a new wet well, valve vault, and associated appurtenances, as well as the demolition of existing pumps and piping. The project also encompasses the installation of new gravity sewers, manholes, site grading, and the provision of a fully operating pumping station equipped with mechanical and electrical systems, a generator, and odor control equipment. The contract will be awarded to the responsible bidder submitting the lowest responsive bid, with responsiveness contingent upon the submission of a completed EJCDC C-410 Bid Form, a bid bond, and required MWBE documentation, including a Good Faith Efforts Form and Table A. The contractor must provide performance and payment bonds equal to the contract price and maintain insurance with an A.M. Best rating of A-VII or better. Performance is governed by a Notice to Proceed, with liquidated damages set at 1,000 dollars per day for failure to achieve substantial completion. Payments are processed monthly via applications for payment submitted to the Engineer, with payment due 30 days after presentation to the owner.

Don Moorhead Construction, Inc.

POSTED

DEADLINE

WC 1456 Lead Pipe Inspection

Solicitation # wc-1456-lead-pipe-inspection

Spiniello Companies is seeking quotes from Minority and Women-Owned Business Enterprises for the City of Baltimore Department of Public Works project WC 1456, which focuses on lead pipe inspection and replacement in Maryland. This solicitation is open to various small business set-asides, including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone certified businesses. While the primary NAICS code is 237110, the project also considers codes 237310, 561990, 238910, 541730, and 237990. Interested parties must submit their quotes to [email hidden] by the response deadline of November 4, 2026. For further inquiries, the primary point of contact is Katherine Snider.

POSTED

DEADLINE

Recharge Master Plan Update (RMPU) Basin Improvements Project Montclair Basin Improvements

Solicitation # recharge-master-plan-update-rmpu-basin-improvements-project-montclair-basin-improvements

The Recharge Master Plan Update Basin Improvements Project focuses on infrastructure enhancements for the Montclair Basin located in San Bernardino County, California. Commissioned by the Inland Empire Utilities Agency and managed through Big Ben Engineering, this solicitation is identified by contract number IFB-JV-26-015 and falls under NAICS code 237110 for heavy and civil engineering construction. This opportunity is specifically set aside for small businesses. Interested parties must adhere to a tight timeline, with the solicitation posted on October 27, 2026, and a response deadline of October 29, 2026. Primary coordination for the project is handled by Sep Sharifi at Big Ben Engineering.

POSTED

DEADLINE

Greenfield Wastewater Treatment Plant Upgrade Project

Solicitation # greenfield-wastewater-treatment-plant-upgrade-project-0

The City of Greenfield is seeking bids for the Greenfield Wastewater Treatment Plant Upgrade Project, identified by contract number 2026-03. Located in Monterey, California, this solicitation is managed by Anderson Pacific Engineering Construction, Inc. under NAICS code 237110. The project is specifically set aside for small businesses, including SBA certified Women-Owned Small Businesses, HUBZone Small Businesses, SAM.gov designated Small Disadvantaged Businesses, and Department of Transportation Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 10, 2026. Inquiries and submissions should be directed to the Estimating Department at Anderson Pacific Engineering Construction, Inc. via email or phone. Detailed information regarding the solicitation can be accessed through the provided agency links.

Anderson Pacific Engineering Construction, Inc.

POSTED

DEADLINE

AMERICAN BOTTOMS RWTP – SLUDGE HANDLING FACILITY

Solicitation # american-bottoms-rwtp-sludge-handling-facility

River City Construction, LLC is seeking qualified subcontractors for the American Bottoms RWTP Sludge Handling Facility project located in Illinois. The comprehensive scope of work includes site and structural activities such as earthwork, concrete, masonry, and finishes, as well as the installation of plumbing, HVAC, and electrical systems. Additionally, the project requires specialized expertise in water and wastewater equipment, process interconnections, and material processing and handling equipment. This solicitation is specifically set aside for small businesses, including certified DBE, MBE, WBE, SDVOB, and VOB entities. To be considered, bidders must submit their status certifications along with their proposals. Awards will be granted based on the lowest responsive bid received. The bid opening is scheduled for November 5, 2026, at 2:00 PM. Interested parties should contact JR Peterson to request bid documents via the SmartBidNet system.

River City Construction, LLC

POSTED

DEADLINE

BOZEMAN WATER RECLAMATION FACILITY PHASE 1 IMPROVEMENTS

Solicitation # bozeman-water-reclamation-facility-phase-1-improvements

PROSPECT CONTSTRUCTION, INC.

POSTED

DEADLINE

MWWTP Secondary Reactors Rehabilitation, Phase 2

Solicitation # mwwtp-secondary-reactors-rehabilitation-phase-2-0

The MWWTP Secondary Reactors Rehabilitation, Phase 2 project, identified by contract number SD-462, involves rehabilitation work located in Oakland, Alameda, California. The project is owned by the East Bay Municipal Utility District and is being managed by Anderson Pacific Engineering Construction, Inc. under NAICS code 237110. This solicitation is specifically set aside for small businesses, including SBA certified Women-Owned Small Businesses, SAM.gov designated Small Disadvantaged Businesses, and Department of Transportation Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 18, 2026. Inquiries regarding the project should be directed to the Estimating Department at Anderson Pacific Engineering Construction, Inc.

Anderson Pacific Engineering Construction, Inc.

POSTED

DEADLINE

Main Wastewater Treatment Plant Secondary Reactors Rehabilitation Phase 2 in CA

Solicitation # main-wastewater-treatment-plant-secondary-reactors-rehabilitation-phase-2-ca

Garney Pacific, Inc. is seeking quotes from qualified subcontractors for the Main Wastewater Treatment Plant Secondary Reactors Rehabilitation Phase 2 project located in Oakland, California, for the East Bay Municipal Utility District. The comprehensive scope of work includes the rehabilitation of covered and open concrete structures, the relining, modification, or replacement of steel and ductile iron pipes and supports, and the installation or replacement of valves and piping appurtenances. Additionally, the project requires the operation of a temporary 11 MGD pumped bypass, rehabilitation of reactor mixers and aerators, improvements to instrumentation and electrical systems, replacement of motor control center components, modifications to sluice and slide gates, installation of access platforms, rerouting of sump pump discharge lines, excavation, trench work, and surveying. This solicitation is open to small businesses, including certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. All subcontractors are required to utilize union labor and must be prepared to provide a 100 percent Payment and Performance Bond from a US Treasury listed Surety Company, with bond rates submitted at the time of the bid. Quotes are due by November 17, 2026, at 2:00 PM PT, with the final bid date set for November 18, 2026. Bids will be based on Garney Standard Purchase Order and Subcontract forms, and any exceptions must be submitted as redlines or comments along with the quote.

POSTED

DEADLINE

Construction of the Recharge Master Plan Update Basin Improvements Project Montclair Basin Improvements, Project No. RW15003.03

Solicitation # construction-recharge-master-plan-update-basin-improvements-project-montclair-basin-improvements

The Inland Empire Utilities Agency is soliciting bids for the Construction of the Recharge Master Plan Update Basin Improvements Project, specifically focusing on Montclair Basins 2 and 3. The primary objective of this project is to construct improvements that divert storm flows from the San Antonio Creek Channel into existing basins to facilitate groundwater recharge. The selected contractor will be responsible for providing all necessary materials, labor, equipment, and facilities to ensure the project is fully installed, commissioned, and functional according to the bid documents. This solicitation is designated as a set-aside for various small business categories, including Small Disadvantaged, Women-Owned, HUBZone, and Veteran-Owned Small Businesses. The work will be performed in California under NAICS code 237110. Interested parties must submit their responses by October 29, 2026, and can coordinate with the primary point of contact, Jordan Villalobos, for further details.

Inland Empire Utilities Agency

POSTED

DEADLINE

IEUA RP-5 Offsite Facilities Project No. EN19001.03 and Butterfield Lift Station Improvements Project No. EN26054

Solicitation # EN19001.03 / EN26054

Filanc is soliciting quotes for the IEUA RP-5 Offsite Facilities Project No. EN19001.03 and the Butterfield Lift Station Improvements Project No. EN26054 located in Chino and Chino Hills, California. The comprehensive scope of work involves significant wastewater infrastructure improvements, including the installation of approximately 6,200 linear feet of 14 to 16-inch diameter HDPE DR 11 dual force mains from El Prado Road to Kimball Avenue. Additionally, the project requires the construction of the Mountain Avenue Lift Station with two submersible pumps, modifications to the RP-2 Lift Station to include an elevated electrical platform and standby generator, and the replacement of the motor control center, pumps, and motors at the Butterfield Lift Station while maintaining continuous operational service. Filanc is seeking quotes across a wide array of trades, including SWPPP, survey, aggregates, demolition, fencing, paving, striping, precast concrete, rebar, masonry, metals, coatings, signage, process equipment, pre-engineered FRP enclosures, fire suppression, piping, valves, pipe supports, and E&IC. This solicitation is open to small businesses, including SDB, WOSB, HUBZone, and VOSB certifications, with a strong emphasis on equal opportunity and DBE participation. All bids and quotes must be submitted by October 29, 2025, at 2:00 PM.

POSTED

DEADLINE

WC 1464 Lead Pipe Inspection

Solicitation # wc-1464-lead-pipe-inspection

Spiniello Companies is seeking quotes from Minority and Women-Owned Business Enterprises for the City of Baltimore Department of Public Works project WC 1464, which focuses on lead pipe inspection and replacement in Maryland. This solicitation is open to various small business designations, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested parties should submit their quotes to [email hidden]. While the primary NAICS code is 237110, the project also considers codes 237310, 561990, 238910, 541730, and 237990. The response deadline for this opportunity is November 18, 2026, and primary contact is Katherine Snider.

Spiniello Companies

POSTED

about 4 hours ago

DEADLINE

in 21 days

AI Contract Overview

The City of Benicia in California is seeking bids for the rehabilitation of media filters for Water Treatment Plant Filters 1 and 2. This solicitation, identified as Bid 27-018, falls under NAICS code 237110 for water and sewer line construction. Interested parties must submit their responses by the deadline of September 29, 2026. The project will be performed in Benicia, California, and the primary point of contact for this opportunity is Rainier Garcia.