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

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Water Treatment Plant ST52 Filter Media Replacement

Closed

20260910049State & Local

Submission Closed10/01/2026, 06:00:00 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: 237990

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ALTA, RIVERVIEW, AND KINGS CANYON HIGH WELL DRILLING PHASE

Solicitation # alta-riverview-kings-canyon-high-well-drilling-phase

The Alta, Riverview, and Kings Canyon High Well Drilling Phase is a solicitation issued for Project No. 1000316-001C, owned by the Kings Canyon Unified School District. The project involves well drilling operations located across Reedley, Parlier, Dinuba, and Fresno, California. This opportunity is categorized under NAICS code 237990 and is managed by Anthony J. Prieto Water Well Drilling, Inc. This solicitation is specifically set aside for small businesses, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. The posting date is October 27, 2026, with a response deadline set for November 10, 2026. Interested parties may coordinate through the primary point of contact, Jennah Castagna.

Anthony J. Prieto Water Well Drilling, Inc.

POSTED

DEADLINE

Construction of The Recharge Master Plan Update (RMPU) Basin Improvements Project - Montclair Basin Improvements

Solicitation # construction-recharge-master-plan-update-rmpu-basin-improvements-project-montclair-basin-0

The Recharge Master Plan Update Basin Improvements Project involves the construction of two drop inlet diversion structures across the 25-foot-wide concrete San Antonio Creek Channel in Montclair, California. The scope of work includes excavating 8 to 10 feet below the channel floor, installing steel debris grates, and fitting wall-mounted steel gates on the east sides of the structures. Additionally, the project requires the installation of 4-foot-diameter discharge pipelines leading to Montclair Basins 2 and 3, which will be covered by 3 feet of soil and terminate in concrete outlet structures designed for flow dissipation. The project also encompasses the delivery of full electrical, instrumentation, and SCADA integration to manage gate actuation, with programming limited to Technical Systems, Inc. or E Technologies Group. This solicitation, managed by Granite Construction Company, is categorized under NAICS code 237990 and is open to Disadvantaged Business Enterprises. Interested parties must submit responses by November 5, 2026.

Granite Construction Company

POSTED

DEADLINE

ARWA Carrizo System Expansion: Well Drilling

Solicitation # arwa-carrizo-system-expansion-well-drilling

The Alliance Regional Water Authority is seeking bids for the Carrizo System Expansion project focusing on well drilling services located in Rosanky, Texas. This solicitation, identified as ARWA IFB Number 2026-001, is managed by Hydro Resources - Mid Continent, Inc. and falls under NAICS code 237990. The opportunity is specifically set aside for Small Businesses and Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 3, 2026. Primary coordination for this contract is handled by Amy Majors, who serves as the point of contact for the project.

Hydro Resources - Mid Continent, Inc.

POSTED

DEADLINE

Construction of The Recharge Master Plan Update (RMPU) Basin Improvements Project - Montclair Basin Improvements

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

Empire Equipment Service, Inc. is soliciting quotes for the Construction of The Recharge Master Plan Update Basin Improvements Project, specifically focusing on the Montclair Basins 2 and 3 Diversion Improvements at the San Antonio Creek Channel in Montclair, California. This project is being conducted for the Inland Empire Utilities Agency and falls under NAICS code 237990. The opportunity is specifically seeking certified DBE and DVBE subcontractors and suppliers, with set-asides available for various small business categories including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. Interested parties must submit their responses by November 5, 2026. Primary inquiries should be directed to Gio Marquez via the provided estimating email or phone contact.

Empire Equipment Service, Inc.

POSTED

DEADLINE

Site Compliance and Improvements - Patton Landing

Solicitation # site-compliance-improvements-patton-landing

The State of California Department of General Services is seeking bids for the Site Compliance and Improvements project at Patton Landing, located in Carnelian Bay, Placer County. This solicitation, identified by Project Number 13891 and Event ID 0000040533, focuses on site compliance and infrastructure enhancements under NAICS code 237990. The opportunity is specifically set aside for SBA certified Service-Disabled Veteran Owned Small Businesses and Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 10, 2026. Primary coordination for this project is managed through Nayvi Waite at Resource Development Company LLC.

Resource Development Company LLC

POSTED

DEADLINE

Structural Repair at NCMT Berths 24-3 and 24-4, CA

Solicitation # structural-repair-ncmt-berths-24-3-24-4-ca

This solicitation, issued by Griffith Company, concerns structural repair work at NCMT Berths 24-3 and 24-4 located in California. The scope of work involves the demolition and removal of existing concrete decks, pile caps, and related appurtenances, followed by the construction of a new reinforced concrete deck. Additionally, the project requires the repair of existing piles, the installation of pile jackets, and the replacement of various waterfront elements, including bull rails, wale systems, fenders, and mooring hardware such as bollards. This opportunity is designated as a Small Business set-aside under NAICS code 237990. Interested parties must submit their responses by the deadline of November 4, 2026. Primary coordination for this project is handled by Savana Powell.

POSTED

DEADLINE

ADVANCE NOTICE: Rail Modernization Program

Solicitation # WMATA-0000010871

The Washington Metropolitan Area Transit Authority has issued an advance notice for the Rail Modernization Program under solicitation number WMATA-0000010871. This solicitation is categorized under NAICS code 237990, which pertains to other heavy and civil engineering construction. The notice was posted on October 27, 2026, and the deadline for responses is set for September 30, 2027. Interested parties can find further details and manage bids through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

POSTED

DEADLINE

San Vicente and Mt. Olivette Reservoir Improvements Project - Construction

Solicitation # SP2797-CT

The San Vicente and Mt. Olivette Reservoir Improvements Project (SP2797-CT) is a construction solicitation issued by the City of Santa Monica's Public Works Engineering Division. The project involves addressing civil, mechanical, structural, and electrical deficiencies for four water reservoirs located at the Mt. Olivette Reservoir and the San Vicente Reservoir. With a project estimate of $27,344,000, the work requires a contractor holding a Class A General Engineering license. The estimated contract duration is 730 calendar days, although some contract documents reference a term of 520 days from the notice to proceed. Liquidated damages for delays are set at $13,200 per day. Bids must be submitted electronically via the OpenGov Procurement portal, with a final deadline of October 29, 2026, at 3:00 PM PT. Submission requirements include a bid guarantee of at least 10 percent of the bid amount and certification of a mandatory pre-bid job walk. Awarded contractors must provide Labor and Material Payment and Performance Bonds for 100 percent of the contract sum. The scope of work includes strict adherence to local noise ordinances, prevailing wage requirements, and technical specifications for potable water materials and electrical labeling. Performance is subject to inspection by the City and its designated engineers at both the project site and the place of manufacture.

D500 PUBLIC WORKS - ENGINEERING DIVISION

POSTED

DEADLINE

CP1248808-Lake LaVerne-Improvements-Bridge and Amphitheater

Solicitation # 49337

Iowa State University is soliciting bids for the Lake LaVerne Improvements Bridge and Amphitheater project, identified by solicitation number 49337. This construction effort focuses on site enhancements including the installation of a 10 foot wide PCC pedestrian path, PCC sidewalks, and site lighting. Additionally, the scope of work encompasses the creation of outdoor amphitheater seating using limestone blocks, as well as comprehensive lakebed and shoreline grading and restoration. The solicitation was posted on October 27, 2026, with a response deadline set for November 3, 2026. Classified under NAICS code 237990, the project will be performed in Iowa. Interested parties can find further details and submission guidelines through the provided Bid Express link.

Iowa State University

POSTED

DEADLINE

Solicitation # FDC-214-102565

Project FDC-214-102565.1 involves the demolition of an existing concrete dam and associated infrastructure at Ryerson Station State Park in Richhill Township, Greene County, Pennsylvania. Managed by the Pennsylvania Department of Conservation and Natural Resources, the scope of work encompasses site preparation, including the installation and removal of erosion and sediment control measures and the implementation of a traffic control plan. Technical requirements include stripping and stockpiling topsoil, surface water control, dewatering subgrades, excavation, and the placement of select fill. The project concludes with site restoration, including topsoil application and seeding in all disturbed areas. All work must adhere to specific ASTM International standards for soil analysis and compaction, and the contractor is required to provide a complete set of as-built drawings upon completion. The contract will be awarded to the lowest responsible and responsive bidder, with an engineer's estimate exceeding 1 million dollars. Bidders must meet mandatory participation goals of 19 percent for Small Disadvantaged Businesses and 3 percent for Veteran Business Enterprises. Required securities include a bid guaranty, a 100 percent performance bond, a 100 percent material and labor payment bond, and a 50 percent maintenance bond. Contractors must comply with extensive Pennsylvania state labor laws, including the Prevailing Wage Act and the Construction Workplace Misclassification Act. Payments are processed via Automated Clearing House, and the contractor is responsible for engaging an independent testing laboratory for quality control services, subject to oversight by the Department's quality assurance program.

Commonwealth of Pennsylvania - Department of Conservation and Natural Resources

POSTED

DEADLINE

Capital Project No. 3508

Solicitation # 49696

The City of Lake Charles, Louisiana, is soliciting bids for Capital Project No. 3508, focused on the first phase of shoreline protection at Riverside Park. The project involves the restoration and stabilization of approximately 250 linear feet of shoreline near the park entrance. Key construction activities include the placement of stone revetment to rebuild the riverbank and the installation of roughly 100 linear feet of steel sheet piling to protect the bank near the gate entrance. Additionally, the contractor will be responsible for repairing or replacing decorative black fencing that has been damaged by erosion. This solicitation, identified by number 49696, falls under NAICS code 237990. Interested parties must submit their responses by the deadline of November 17, 2026. The project is managed by the City of Lake Charles and will be performed within the state of Louisiana.

POSTED

DEADLINE

Turlock Lake Recreation Area Dock Replacement

Solicitation # 20261027015

Stanislaus County

POSTED

about 15 hours ago

DEADLINE

in 16 days

AI Contract Overview

The City of San Luis Obispo is soliciting bids for the removal and replacement of filter media at the Water Treatment Plant ST52, specifically focusing on Basin 2 while other basins remain operational. The scope of work includes the installation of anthracite, sand, and supporting rock, as well as media disinfection, dechlorination, and the potential replacement of filter media nozzles. The project is estimated to cost between 58,000 and 87,000 dollars. Bidders must hold a Class A or C34 license and provide reference projects completed within the last five years. The contract will be awarded to the lowest responsive and responsible bidder based on the base bid total. The performance period is set at 20 working days for the base bid, with an additional 20 working days granted for each additive alternative. Liquidated damages for failure to meet the timeline are established at 1,200 dollars per calendar day. All materials must be transported in supersack bags to prevent contamination, and bulk shipments are prohibited. Final acceptance is contingent upon the media being disinfected and passing a bacteriological test. Bids are due by October 1, 2026, at 11:00 A.M. and must be submitted in a sealed envelope to the Public Works Administration Office, accompanied by a bid guaranty equal to 10 percent of the bid amount.