This Solicitation opportunity from California was posted on August 11, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Main Street Well 3 & Newport Well 3 Improvements Project (2026/2027)

Closed

20260811029State & Local

Submission Closed09/15/2026, 09:00:00 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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Biola CSD - Wastewater Treatment Plant Improvements (C-06-8155-210), Kerman, CA

Solicitation # biola-csd-wastewater-treatment-plant-improvements-c-06-8155-210-kerman-ca

GSE Construction Co., Inc. is seeking quotes from qualified subcontractors and suppliers for the Biola Community Services District Wastewater Treatment Plant Improvements Redesign Project in Kerman, California. This comprehensive infrastructure project involves the demolition of existing facilities and the draining of multiple lagoons and ponds. Key construction elements include a new headworks facility with mechanical screening, a new influent eccentric manhole, a concrete flow meter vault, and the replacement of influent pumps and surface aerators. Additionally, the scope covers the installation of a sludge dewatering pipeline and ponds, a reinforced concrete pad for an emergency generator, and a new CMU operations and electrical building equipped with HVAC, plumbing, and testing infrastructure. The project also requires the implementation of a facility-wide PLC/SCADA monitoring system and various civil improvements such as asphalt resurfacing, grading, and piping. This solicitation is open to small businesses and certified disadvantaged, minority, and women-owned business enterprises across a wide range of NAICS codes related to heavy and civil engineering construction. Interested parties must submit their responses by October 21, 2026, and can coordinate with the primary point of contact, Christina Pauls, for further details.

GSE Construction Co., Inc.

POSTED

DEADLINE

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 for the Inland Empire Utilities Agency Recharge Master Plan Update. Norstar Plumbing and Engineering, Inc. is seeking certified DBE, MBE, SBE, and WBE subcontractors and suppliers to support various project needs. Key work 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. Additional specialized requirements include electrical work, welding, traffic control, construction surveys, SWPPP implementation, and preconstruction video services. Bids for this solicitation are due by October 29, 2026, at 2:00 PM.

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, involves the construction of 16,435 linear feet of new 20-inch ductile iron force main and extensive upgrades to the Morgans Branch Pumping Station in Belmont, North Carolina. The scope of work includes the installation of a new wet well, valve vault, and associated appurtenances, alongside the demolition of existing pumps and piping. The completed facility must include mechanical and electrical systems, pumps, a generator, odor control equipment, stormwater facilities, and fencing. Additional requirements include the installation of new gravity sewers and manholes. The project has an estimated value of 16,690,000 dollars. The contract will be awarded to the responsible bidder submitting the lowest responsive bid, with evaluation based on qualifications, financial ability, and strict adherence to bidding documents. Bidders must provide a signed bid form, bid security, evidence of authority to do business in North Carolina, and specific MWBE documentation, including a Good Faith Efforts Form and Table A, to meet participation goals of 10 percent for the State of NC and approximately 10 percent for the EPA. The project is governed by EJCDC C-700 General Conditions and Supplementary Conditions, requiring performance and payment bonds as well as proof of insurance. Administration is managed by the City of Belmont with Willis Engineers serving as the project engineer.

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. Interested parties should submit their quotes to estimating@spinielloco.com by the deadline of November 4, 2026. While the primary NAICS code is 237110, the project also considers codes 237310, 561990, 238910, 541730, and 237990. 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 within the Montclair Basin located in San Bernardino County, California. Managed by the Inland Empire Utilities Agency and facilitated 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 submit their responses by the deadline of October 29, 2026. Primary coordination for the project is handled by Sep Sharifi, who serves as the main point of contact for inquiries regarding the bidding process and project specifications.

POSTED

DEADLINE

Village of Roanoke, IL Sanitary Sewer Lining Improvements

Solicitation # village-roanoke-il-sanitary-sewer-lining-improvements

SAK Construction, LLC is seeking quotes from Minority Business Enterprises (MBE) and Women Business Enterprises (WBE) for the Village of Roanoke, IL Sanitary Sewer Lining Improvements project. The scope of work involves sanitary sewer lining improvements in Illinois, with specific subcontracting opportunities available for sewer cleaning and CCTV inspection, traffic control, and bypass pumping. This solicitation falls under NAICS code 237110. Interested parties must complete all negotiations by October 21, 2026, as the project bids on October 22, 2026, at 12:00 PM local time. Plans, specifications, and contract documents can be obtained from Karen Sheldon at HMG Engineers, Inc. or the SAK Estimating Department. For assistance regarding bonds, insurance, equipment, or materials, contact Austin Stoecker. Primary point of contact for the solicitation is Matt Hirtz.

SAK Construction, LLC

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, for the City of San Diego. This CASRF and EPA funded project is located in California and involves various scopes of work, including aggregate supply, paving, electrical work, and pipe supply. The solicitation is set aside for SBA certified Women-Owned Small Businesses and Disadvantaged Business Enterprises, with primary NAICS code 237110. Interested subcontractors and suppliers must submit quotes via email or fax by October 28, 2026, at 2:00 PM, and all bids must remain valid for 120 days. Requirements for participation include maintaining a valid California contractor license and registration with the California Department of Industrial Relations per Public Contract Code Section I725.5. Additionally, the project is subject to a Project Labor Agreement. Flatiron Dragados reserves the right to require payment and performance bonds equal to 100 percent of the contract value, with reimbursement for bond premiums up to 3 percent.

Flatiron Dragados Constructors, Inc.

POSTED

DEADLINE

Stadium Road Water Line Extension in Florence, SC

Solicitation # stadium-road-water-line-extension-florence-sc

Columbus Utilities, Inc. is soliciting bids for the Stadium Road Water Line Extension project located in Florence, South Carolina. This opportunity is specifically set aside for certified Disadvantaged Business Enterprise, Minority Business Enterprise, and Women Business Enterprise subcontractors and suppliers. The scope of work involves the extension of water lines, with specific subcontracting needs including asphalt work, surveying, and general supplies and vendors. Interested parties must submit their proposals by October 22, 2026, at 2:00 PM. Submissions are accepted via phone, fax, or email. Complete bidding documents are available through Columbus Utilities, the City of Florence, and AECOM Technical Services, Inc. The primary point of contact for this solicitation is Tony Strickland.

Columbus Utilities, 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 work, earthwork, utilities, concrete, masonry, metals, and finishes, as well as the installation of plumbing, HVAC, and electrical systems. Additionally, the project requires specialized expertise in process interconnections, material processing and handling equipment, and water and wastewater purification and storage systems. This solicitation is specifically set aside for Small Business Enterprises, Disadvantaged Business Enterprises, Minority Business Enterprises, Women's Business Enterprises, Service Disabled Veteran Owned Businesses, and Veteran Owned Businesses. To be considered, bidders must submit their DBE, WBE, MBE, SDVOB, or VOB certification along with their proposal. 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 must initiate the process by emailing their company and contact information to bid@rccllc.com to receive access to the SmartBidNet system for official bid documents.

River City Construction, LLC

POSTED

DEADLINE

Biola Community Services District - Waste Water Treatment Plant Improvements Project (Redesign)

Solicitation # biola-community-services-district-waste-water-treatment-plant-improvements-project-redesign

The Biola Community Services District is seeking proposals for the Waste Water Treatment Plant Improvements Project Redesign located in Biola, Fresno, California. Managed by W.M. Lyles Co., this solicitation falls under NAICS code 237110 and is specifically set aside for small businesses, including Disadvantaged Business Enterprises, Disabled Veteran Business Enterprises, Minority Business Enterprises, and Women Business Enterprises. Interested parties must submit their responses by the deadline of October 21, 2026. Primary coordination for this project is handled by Scott Fults, and further inquiries can be directed to the agency via their designated contact email.

POSTED

DEADLINE

Alvarado Trunk Sewer PH IV and Water Main Relocations Bid Package A

Solicitation # alvarado-trunk-sewer-ph-iv-water-main-relocations-bid-package

The Alvarado Trunk Sewer PH IV and Water Main Relocations Bid Package A is a solicitation for infrastructure work located in San Diego, California. Managed by KTA Construction Inc. for the City of San Diego under contract number K-27-2470-DBB-3-C, the project falls under NAICS code 237110, focusing on water and sewer main relocations and trunk sewer improvements. This opportunity is specifically set aside for small businesses, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. The solicitation was posted on October 19, 2026, with a response deadline of October 28, 2026. Interested parties may contact Brin Ragsdale for further coordination regarding the bid process.

KTA Construction Inc.

POSTED

DEADLINE

Solicitation # greenfield-wwtp

The City of Greenfield is seeking bids for the Greenfield WWTP project located in Monterey, California, under contract number 2026-03. This solicitation is being managed by Clark Bros., Inc., with Saif Misbah serving as the primary point of contact. The project falls under NAICS code 237110, focusing on water and sewer infrastructure. This opportunity is specifically set aside for various small business categories, including Small Disadvantaged Businesses, Women-Owned Small Businesses, HUBZone Small Businesses, and Veteran-Owned Small Businesses. The solicitation was posted on October 19, 2026, and requires all responses to be submitted by the deadline of October 28, 2026.

Clark Bros., Inc.

POSTED

about 7 hours ago

DEADLINE

in 8 days

AI Contract Overview

The City of Tustin is soliciting bids for the Main Street Well 3 and Newport Well 3 Improvements Project (CIP No. 60177), with an engineer's estimate of $775,000. The project involves comprehensive improvements to two municipal wells, including the removal, inspection, and rehabilitation of pumps and motors, downhole video inspections, and final commissioning. Specific requirements for Main Street Well 3 include converting the oil-lubricated lineshaft system to a continuous water-lubricated configuration and performing well rehabilitation. Newport Well 3 requires noninvasive electromagnetic casing-thickness inspections and upgrades to the magnetic flow meter, motor-operated valves, and PLC/SCADA systems. The contract will be awarded to the lowest responsive and responsible bidder, with a project schedule of 150 working days and a final completion deadline of June 30, 2027. Liquidated damages are set at $1,000 per day. Bidders must submit electronic proposals via the OpenGov portal by September 15, 2026, and provide a hard-copy bid bond to the City Clerk. The contractor is responsible for all quality assurance testing and must comply with the 2024 Standard Specifications for Public Works Construction, Cal-OSHA safety regulations, ADA standards, and California prevailing wage laws. Required documentation for submission includes a vendor questionnaire, unit prices, project references, and a compensation insurance certification.