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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West Side Reservoirs Rehabilitation

Closed

20260810008State & Local

Submission Closed08/27/2026, 06:00:00 PM UTC

Contract Overview

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

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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 pump system, the construction of two soil cement lined sludge dewatering ponds, a reinforced concrete pad for an emergency generator, and a new CMU operations and electrical building equipped with HVAC and plumbing. 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. Primary coordination for this opportunity is handled by Christina Pauls at GSE Construction Co., Inc.

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 focuses on 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 system. Key activities include civil and site work such as grading, demolition, saw cutting, cold planing, and trucking, as well as the installation of concrete structures, concrete pipes, and welding. Additional requirements include traffic control, construction surveying, electrical work, and SWPPP implementation. Norstar Plumbing and Engineering, Inc. is managing the subcontractor solicitation for this project, specifically seeking certified DBE, MBE, SBE, and WBE subcontractors and suppliers. The solicitation is categorized 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. Primary points of contact for this effort are Nathan Plummer 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, involves comprehensive infrastructure work for the City of Belmont in North Carolina. The scope of work includes the construction of 16,435 linear feet of new 20-inch ductile iron force main and significant upgrades to the Morgans Branch Pumping Station. Key station improvements consist of installing a new wet well, valve vault, and associated appurtenances, alongside the demolition of existing pumps and piping. The project also requires the installation of new gravity sewers, manholes, and a complete operating pumping station equipped with mechanical and electrical systems, a generator, and odor control equipment. The estimated project value is 16,690,000 dollars. This is a small business set-aside solicitation with bids due by November 10, 2026, though some documents indicate a deadline of November 12, 2026. The contract will be awarded to the responsible bidder submitting the lowest responsive bid, with evaluation based on price, financial ability, and qualifications. Bidders must provide a Good Faith Efforts Form and Table A regarding MWBE participation to be considered responsive. The agreement is a stipulated price contract governed by EJCDC standard conditions. Required deliverables include performance and payment bonds, proof of insurance with an A.M. Best rating of A-VII or better, and adherence to strict material packaging and quality standards, including AWS, NEMA, and SMACNA specifications. Payment is processed monthly via applications for payment, with funds becoming due 30 days after presentation to the owner.

Don Moorhead Construction, Inc.

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 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 focuses on sanitary sewer lining improvements within the Village of Roanoke, Illinois, with specific subcontracting opportunities available for sewer cleaning and CCTV inspection, traffic control, and bypass pumping. Interested parties must complete all negotiations by October 21, 2026, as the final project bids are due 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 by requesting a link from the SAK Estimating Department. For assistance regarding bonds, insurance, equipment, or materials, applicants may contact Austin Stoecker.

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 seeks quotes from subcontractors and suppliers for a wide range of scopes, including the supply of aggregate, geotextile, pipe, and ready mix concrete, as well as specialized services such as electrical work, surveying, biological services, QC testing, asphalt paving, and landscaping. The solicitation is set aside for SBA certified Women-Owned Small Businesses and Disadvantaged Business Enterprises. Bids must be submitted via email or fax by October 28, 2026, at 2:00 PM and must remain valid for 120 days. All subcontractors are required to hold a valid California contractor license and be registered with the California Department of Industrial Relations in accordance with Public Contract Code Section I725.5. The project is subject to a Project Labor Agreement, and Flatiron Dragados 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

SAWS, TX – Central Sewershed Package 10 (Terrell Hills)

Solicitation # CO-00920

SAK Construction, LLC is soliciting quotes from local Small, Minority and Woman Businesses (SMWB) for the San Antonio Water System (SAWS) Central Sewershed Package 10 (Terrell Hills) project in Texas. This solicitation, identified as CO-00920, focuses on critical sewer infrastructure activities including sewer pipe cleaning, obstruction removal via remote devices, and CCTV inspections, which must utilize a visible inclinometer on all video. The scope of work further encompasses open-cut sewer construction for installing and adjusting manholes, repairing sewer laterals, performing pipe point repairs, and the coating and rehabilitation of manholes and sewer structures. Additional opportunities are available for asphalt and concrete restoration, bypass pumping, traffic control, and SWPPP preparation. The project follows a strict timeline with all negotiations required to be completed by October 19, 2026. The final project bids are due on October 21, 2026, at 2:00 PM local time. Interested parties may contact Patrick Hale for further information regarding this SBA set-aside opportunity under NAICS code 237110.

SAK Construction, LLC

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 includes various subcontracting and supply needs, with specific opportunities available for asphalt work, surveying, and general vendors. Interested parties must submit their proposals by October 22, 2026, at 2:00pm. Submissions are being accepted via phone, fax, or email. The primary point of contact for this solicitation is Tony Strickland. This project falls under NAICS code 237110 for water and sewer line construction.

Columbus Utilities, Inc.

POSTED

DEADLINE

Directional Drilling Services for B2805 Guard Post

Solicitation # directional-drilling-services-b2805-guard-post

Patuxent River Utility Services, LLC is soliciting bids for directional drilling services to support the installation of water and wastewater services for a new Guard Post facility at Building 2805, located at 48202 Bronson Road in Patuxent River, Maryland. This project falls under NAICS code 237110 and is specifically set aside for small businesses, including designated small disadvantaged, women-owned, HUBZone, and veteran-owned small businesses. The solicitation was posted on October 14, 2026, with a response deadline of October 16, 2026. Interested parties should coordinate with the primary point of contact, Tomeika McClean, to submit their proposals for this infrastructure project.

Patuxent River Utility Services, LLC

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, metals, and finishes, as well as the installation of plumbing, HVAC, electrical, and utility 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 businesses, including disadvantaged, minority, women-owned, and veteran-owned enterprises. Proposals will be evaluated based on the lowest responsive bid received, and bidders must submit their DBE, WBE, MBE, SDVOB, or VOB certifications along with their bid to be considered. The bid opening is scheduled for November 5, 2026, at 2:00 PM. Interested parties should coordinate with JR Peterson and access bid documents through the SmartBidNet system.

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, who serves as the point of contact for bidding inquiries.

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. 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 14, 2026, with a response deadline of October 28, 2026. Interested parties may contact Brin Ragsdale for further information regarding the bid process.

KTA Construction Inc.

POSTED

28 minutes ago

DEADLINE

in 13 days

AI Contract Overview

The City of South Gate in California is seeking bids for the West Side Reservoirs Rehabilitation project under solicitation number 20260810008. This SLED contract falls under NAICS code 237110 and will be performed in South Gate, California, within the 90280 zip code. Interested parties must submit their responses by the deadline of August 27, 2026, at 6:00 PM. The primary points of contact for this solicitation are the City Project Manager and the Engineer, who can be reached by phone at 323-563-9578.

General Info

South Gate seeks bids for West Side Reservoirs Rehabilitation by August 27, 2026.

Agency

California → City of South Gate

NAICS

237110 - Water and Sewer Line and Related Structures Construction

Place of Performance

South Gate, CA, 90280, USA

Set-Aside

NONE

Documents

South Gate West Side Reservoirs Rehabilitation Final Specs Submittal

ifb

High

AI Contract Breakdown

Uniform Contract Format

Timeline

PhaseClosed

PostedAug 11

Solicitation

Response DeadlineAug 27

Deadline has passed

Submission Closed

08/27/2026, 06:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → City of South Gate

Contacts3 people available

OfficeN/A

Organization / AgencyCalifornia → City of South Gate

Office AddressN/A

Contacts

Engineer

City Project Manager

+1 (555) 000-0000

Full Description

Bid #742-WTR: $19

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