This Solicitation opportunity from California was posted on October 14, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Northbay Regional (Nbr) Water Treatment Plant Potable Water Reservoirs Cleaning And Inspection Project 2027

Closed

OPWNBR001State & Local

Submission Closed10/13/2026, 02:00:00 PM PDT

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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26350 Lynchburg, VA - CSO 70 Sewer Improvements

Solicitation # 2027-027

Cleary Construction is soliciting quotations from certified Disadvantaged Business Enterprises (DBEs) for labor, materials, and services for the City of Lynchburg CSO 70 Sewer Improvements project in Virginia. This solicitation, identified as IFB 2027-027, is open to various small business set-asides, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested firms must submit their responses by December 4, 2026. The scope of work involves extensive sewer infrastructure improvements, including the open-cut installation of PVC and DIP sewer lines ranging from 6 to 30 inches in diameter and the installation of 24-inch diameter trenchless crossings with associated launch and receiving shafts. Additional requirements include the construction of standard and doghouse manholes, interior drop assemblies, and a CSO regulator fit out. Site preparation tasks involve clearing and grubbing over 5,100 square yards of wooded areas, seeding, fine grading, and select tree removal. Key project deliverables include the implementation of a SWPPP, geotechnical instrumentation and monitoring, the maintenance of flows and bypass, and the procurement of railroad insurance.

Cleary Construction, Inc.

POSTED

DEADLINE

Wellhead Treatment Improvement PS102A

Solicitation # wellhead-treatment-improvement-ps102a

The City of Fresno is seeking proposals for the Wellhead Treatment Improvement PS102A project located in Fresno, California. This solicitation, managed by W.M. Lyles Co., falls under NAICS code 237110 for heavy and civil engineering construction. Interested parties must submit their responses by the deadline of November 17, 2026. This opportunity is specifically set aside for small businesses, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, and Women-Owned Small Businesses, as well as SAM.gov designated Small Disadvantaged Businesses. Primary inquiries and submissions should be directed to Scott Fults via the provided contact information.

POSTED

DEADLINE

Machado Wastewater Treatment Facility (WWTF) Upgrade and Expansion

Solicitation # machado-wastewater-treatment-facility-wwtf-upgrade-expansion

The Machado Wastewater Treatment Facility Upgrade and Expansion project involves modernizing the existing facility in California by replacing its current pond-based process with a membrane bioreactor system. A critical requirement of the contract is the maintenance of continuous treatment operations throughout the construction, commissioning, testing, and final acceptance phases. This solicitation is issued by Specialty Construction, Inc. and is specifically set aside for small businesses under NAICS code 237110. Interested parties must submit their responses by the deadline of December 4, 2026. Primary points of contact for the bidding process are Tom Seidel and Sheri Shambli.

Specialty Construction, Inc.

POSTED

DEADLINE

IEUA Regional Water Recycling Plant No. 5(RP5) Offsite Facilities and Butterfield Lift Station

Solicitation # ieua-regional-water-recycling-plant-no-5rp5-offsite-facilities-butterfield-lift-station

The IEUA Regional Water Recycling Plant No. 5 (RP-5) Offsite Facilities and Butterfield Lift Station project, located in Chino, California, involves the comprehensive furnishing, installation, commissioning, and startup of critical water infrastructure. Managed by Norstar Plumbing and Engineering, Inc. for the Inland Empire Utilities Agency, the scope of work is divided into four major categories: the Butterfield Dual Force Main, the Mountain Avenue Lift Station, the RP-2 Lift Station, and the Butterfield Lift Station. The project requires a full suite of materials, labor, and equipment to ensure a fully functional delivery in accordance with the provided bid documents. Key deliverables for this effort include AC paving, trucking, saw cutting, traffic control, jack and bore operations, SWPPP management, pipes and fittings, demolition, and preconstruction video services. This solicitation is designated for SBA certified HUBZone Small Businesses and Disadvantaged Business Enterprises (DBE) under NAICS code 237110. Bids are due by November 19, 2026, at 2:00 PM. Primary points of contact for the project are Nathan Plummer and Destiny Plummer.

Norstar Plumbing and Engineering, Inc

POSTED

DEADLINE

Alvarado Trunk Sewer Ph IV and Water Main Relocations Bid Package A, Contract K-27-2470-DBB-3-C

Solicitation # K-27-2470-DBB-3-C

Flatiron Dragados Constructors, Inc. is soliciting bids for the Alvarado Trunk Sewer Ph IV and Water Main Relocations Bid Package A, Project No. K-27-2470-DBB-3-C, located in California for the City of San Diego. This CASRF and EPA funded project seeks quotes from subcontractors and suppliers for a wide range of scopes, including aggregate and pipe supply, asphalt paving, electrical work, minor concrete, surveying, QC testing, and landscaping. The solicitation is set aside for SBA certified Women-Owned Small Businesses and encourages Disadvantaged Business Enterprise participation. Bids must be submitted via email or fax by December 3, 2026, and must remain valid for 120 days. All participating subcontractors are required to hold valid California contractor licenses and be registered with the California Department of Industrial Relations per Public Contract Code Section I725.5. The project is subject to a Project Labor Agreement, and the prime contractor reserves the right to require payment and performance bonds equal to 100 percent of the contract value, with bond premium reimbursements available up to 3 percent.

Flatiron Dragados Constructors, Inc.

POSTED

DEADLINE

Machado WWTF Upgrade and Expansion

Solicitation # machado-wwtf-upgrade-expansion

The Machado WWTF Upgrade and Expansion project is a solicitation issued by Cushman Contracting Corporation for work located in San Miguel, San Luis Obispo, California. The project is owned by the San Miguel Community Service District and is categorized under the EJCDC C-111 contract format. This initiative falls under NAICS code 237110, focusing on water and sewer system construction. Interested parties must submit their responses by the deadline of November 20, 2026. The solicitation was officially posted on November 10, 2026. For further inquiries or coordination, the primary point of contact is Melia Raj, who can be reached via email or phone.

Cushman Contracting Corporation

POSTED

DEADLINE

NTUA - Tuba City WWTP Improvements (NTUA-2026), Tuba City, AZ

Solicitation # ntua-tuba-city-wwtp-improvements-ntua-2026-tuba-city-az

GSE Construction Co., Inc. is soliciting quotes from subcontractors and suppliers for the NTUA Tuba City WWTP Improvements project in Tuba City, Arizona. The scope of work is extensive, encompassing the construction of headworks, an influent pump station, aeration basins, blower and dewatering buildings, UV disinfection, and an administration building. Additionally, the project requires electrical and SCADA systems, yard piping, and general sitework. This solicitation is specifically set aside for 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 November 24, 2026. Primary inquiries and submissions should be directed to Michael Demissie via the estimating department at GSE Construction Co., Inc.

GSE Construction Co., Inc.

POSTED

DEADLINE

City of Redlands - Wastewater Treatment Plant Upgrades Phase 2 (521006), Redlands, CA

Solicitation # city-redlands-wastewater-treatment-plant-upgrades-phase-2-521006-redlands-ca

GSE Construction Co., Inc.

POSTED

DEADLINE

BOZEMAN WATER RECLAMATION FACILITY PHASE 1 IMPROVEMENTS

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

Prospect Construction, Inc. is seeking pricing for the Bozeman Water Reclamation Facility Phase 1 Improvements project located in Montana. The solicitation covers a wide range of construction scopes, including aggregate, electrical, paving, concrete, landscape and seeding, construction survey, testing and inspection, traffic control, metal fabrications, industrial coatings, and rough carpentry. Bidders must adhere to AIS and Montana CGR requirements and comply with Prevailing or Davis Bacon Wage standards. The response deadline for this solicitation is November 19, 2026. This opportunity is specifically open to small businesses, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Prospect Construction, Inc. strongly encourages submissions from SBEs and DBEs, noting a willingness to divide contracts among multiple firms if the project scale exceeds the capacity of a single entity.

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 is a solicitation for construction services located in Oakland, Alameda, California. Managed by Anderson Pacific Engineering Construction, Inc. for the East Bay Municipal Utility District under contract number SD-462, the work falls under NAICS code 237110. This opportunity 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. The solicitation was posted on November 10, 2026, with a response deadline of November 18, 2026. Interested parties should coordinate with the Estimating Department for further details.

Anderson Pacific Engineering Construction, Inc.

POSTED

DEADLINE

Long Prairie MN Water Treatment Plant Rehab

Solicitation # long-prairie-mn-water-treatment-plant-rehab

CC Steel LLC is soliciting subcontractors and material suppliers for the Long Prairie MN Water Treatment Plant Rehab project located in Minnesota. This comprehensive rehabilitation effort spans numerous construction divisions, including concrete, metals, rough carpentry, thermal and moisture protection, and various finishing work. The scope also encompasses specialized installations such as plumbing, HVAC, electrical systems, and process interconnections, with a heavy focus on water and wastewater equipment including chlorination, fluoridation, and corrosion inhibitor feed systems. This solicitation is specifically set aside for small businesses, including certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested parties must respond by November 16, 2026. The primary point of contact for this opportunity is Pete Aldritt, and the project involves a wide array of NAICS codes ranging from general building construction to specialized chemical feed equipment manufacturing.

POSTED

DEADLINE

Chiquola and Clatworthy Subbasing Sewer Rehab Ph. 3- Town of Honea Path, SC

Solicitation # chiquola-clatworthy-subbasing-sewer-rehab-ph-3-town-honea-path-sc

North American Pipeline Management, LLC is seeking Disadvantaged Business Enterprise subcontractors for the Chiquola and Clatworthy Subbasin Sewer Rehab Phase 3 project located in Honea Path, South Carolina. The project involves a variety of specialized scopes, including trucking and hauling, traffic control, clearing and grubbing, CCTV services, manhole rehabilitation, CIPP, surveying, and erosion control. The bid deadline for this solicitation is November 24, 2026, at 2 PM, with a response deadline for interested parties set for November 19, 2026. This opportunity is specifically set aside for certified entities such as SBA Women-Owned Small Businesses, SAM.gov Small Disadvantaged Businesses, and Department of Transportation Disadvantaged Business Enterprises. Contract documents and plans are available for review through the primary point of contact, Bryce Yarbrough.

North American Pipeline Management, LLC

POSTED

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AI Contract Overview

The City of Fairfield in California is soliciting bids for the Northbay Regional Water Treatment Plant Potable Water Reservoirs Cleaning and Inspection Project 2027. This project involves the interior cleaning, debris removal, and detailed inspection of the TWPS, CCB, and SWC facilities. Interested parties must hold a Class A Contractor's license and adhere to DIR prevailing wage rates. The solicitation process includes a mandatory pre-bid meeting on October 6, 2026, with a final response deadline of October 13, 2026, and a bid opening scheduled for October 20, 2026. Bidders are required to provide a 10% bid guarantee. The primary point of contact for this project is Senior Civil Engineer David Vong, and the work will be performed in Fairfield, California.