This Government Contract opportunity from Department Of The Interior was posted on April 29, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Septic Tank and Drainfield Construction

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Federal

Submission Closed05/18/2026, 03:00:00 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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Inland Empire Utilities Agency Monitoring Well AR-MW-04

Solicitation # inland-empire-utilities-agency-monitoring-well-ar-mw-04

The Inland Empire Utilities Agency is seeking bids for the Monitoring Well AR-MW-04 project located in Rancho Cucamonga, San Bernardino, California. Identified by contract number IFB-JV-26-011, this solicitation falls under NAICS code 237110 for heavy and civil engineering construction. The project is managed by Best Drilling And Pump, Inc., with Amanda Kipfer serving as the primary point of contact. This opportunity is designated as a 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 September 12, 2026, and requires a response by the deadline of September 17, 2026.

Best Drilling And Pump, Inc.

POSTED

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JCSD Intervalley Pipeline Project; PN C155003

Solicitation # PN C155003

The JCSD Intervalley Pipeline Project, solicitation number PN C155003, involves the installation of 3.3 miles of potable water transmission pipeline located on Country Village Road in Jurupa, California. Managed by Filanc for the Jurupa Community Services District, the project has an engineer's estimate of 36,000,000 dollars. The scope of work is comprehensive, encompassing infrastructure installation such as pipes, valves, precast vaults, and cathodic protection, as well as site work including paving, striping, flatwork, fencing, and potholing. Technical and environmental services are also required, including survey, testing, inspections, settlement monitoring, videography, SWPPP, traffic control, and asbestos pipe demolition and removal. The project is subject to American Iron and Steel and Build America, Buy America requirements. Filanc is actively seeking quotes and strongly encourages participation from small, minority-owned, disabled, veteran-owned, and women-owned businesses, offering assistance with bonding, credit lines, and insurance to facilitate SBE, MBE, and WBE involvement. Bids are due by 2:00 PM on September 18, 2026. Interested parties may obtain plans and specifications at no cost by contacting Julia Masaitis.

POSTED

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JCSD Intervalley Pipeline Project

Solicitation # jcsd-intervalley-pipeline-project-2

The JCSD Intervalley Pipeline Project, identified by contract number C155003, is a solicitation for construction services located in Jurupa Valley, Riverside, California. The project is owned by the Jurupa Community Services District and is being managed through All Cities Engineering, Inc. This opportunity falls under NAICS code 237110, focusing on heavy and civil engineering construction. The solicitation was posted on September 12, 2026, with a response deadline of September 18, 2026. It includes set-aside opportunities for Disadvantaged Business Enterprises, Minority Business Enterprises, and Woman Business Enterprises. Interested parties can contact Javier Castro for further details regarding the submission process.

All Cities Engineering, Inc.

POSTED

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JCSD Intervalley Pipeline Project in CA

Solicitation # jcsd-intervalley-pipeline-project-ca

The JCSD Intervalley Pipeline Project in Fontana, California, involves the demolition, furnishing, installation, testing, and operationalization of approximately 3.3 miles of 42-inch cement mortar lined and coated steel potable water transmission pipeline. The scope of work includes the installation of trenchless crossings, air release valves, blowoff assemblies, fittings, and connections to existing water facilities, as well as the construction of flow control facility components and related site improvements. Additional requirements encompass pavement removal and restoration, traffic control, utility coordination, disinfection, startup, and commissioning. Garney Pacific, Inc. is seeking subcontractor and supplier quotes for this project, with a response deadline of September 18, 2026, by 2:00 PM PT. The solicitation is open to various trade scopes, including steel pipe welding, cathodic protection, electrical and instrumentation, and materials testing. All subcontractors must utilize union labor and be prepared to provide a 100% Payment and Performance Bond from a US Treasury listed Surety Company, providing their bond rate at the time of the bid. The project is designated as an SBA set-aside for DBE, MBE, WBE, and SBE entities under NAICS code 237110.

POSTED

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Water Line Replacement at Oakland and Santa Fe

Solicitation # water-line-replacement-oakland-santa-fe

The City of Hemet is seeking bids for the Water Line Replacement project located at Oakland and Santa Fe in Hemet, Riverside, California. This solicitation, identified as CIP 5661, is managed by Dominguez General Engineering, Inc., and falls under NAICS code 237110. The opportunity is open to various set-aside categories, including Small Businesses, Small Disadvantaged Businesses, Women-Owned Small Businesses, and Minority Business Enterprises. Interested parties must submit their responses by the deadline of September 22, 2026. Primary contact for this project is Christian Rosales.

Dominguez General Engineering, Inc.

POSTED

DEADLINE

Seeking MBE/DBE/WBE Subcontractors and Suppliers for South Marsham Street Green Infrastructure Project (Romney, WV)

Solicitation # seeking-mbedbewbe-subcontractors-suppliers-south-marsham-street-green-infrastructure-project-romney

Harbel, Inc. is soliciting bids for a green-street retrofit project located on South Marsham Street between Gravel Lane and US Route 50 in Downtown Romney, West Virginia. The scope of work involves the installation of approximately 1,450 square feet of permeable pavement and eight vegetated stormwater management cells to treat roughly 1.7 acres of impervious surface within a 3.3-acre drainage area. The project requires comprehensive drainage, underdrain, inlet, pipe, and downspout work, along with limited curb, sidewalk, ADA, apron, crossing, and traffic-calming improvements to integrate the BMP corridor. Landscaping requirements include the planting of six native trees and approximately 345 native plants or approved equivalents, concluding with final stabilization, cleanup, and restoration. This solicitation specifically encourages participation from small business concerns, including minority, woman-owned, disadvantaged, HUBZone, and veteran-owned businesses, who may also form consortiums to handle larger bid items. Bids are due by 4:00 P.M. on September 17, 2026. Interested parties must submit a response indicating their intent to bid to the primary contact, Jonah Leith. The project falls under NAICS code 237110, focusing on professional civil engineering construction.

POSTED

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Inland Feeder/SBVMWD Foothill PS Intertie, Stage 1

Solicitation # inland-feedersbvmwd-foothill-ps-intertie-stage-1

The Inland Feeder/SBVMWD Foothill PS Intertie, Stage 1 project, located in Highland, California, is a comprehensive infrastructure initiative issued by the Metropolitan Water District of Southern California through James W. Fowler Co. The scope of work involves the furnishing and installation of approximately 2,150 linear feet of 54-inch to 66-inch diameter steel pipe and 200 linear feet of 144-inch diameter steel pipe. The project includes the installation of both contractor-furnished and Metropolitan-furnished valves ranging from 54 to 132 inches in diameter, as well as 54-inch and 145.5-inch diameter tie-ins and associated pipe fittings. Additional construction requirements include the delivery of four surge tanks, two valve vaults, an air compressor yard structure, and various drainage improvements. The technical scope extends to electrical upgrades, instrumentation and controls, piping systems, welding, disinfection, and surface restoration, alongside the excavation of cobbles and large boulders. This solicitation, posted on September 11, 2026, with a response deadline of September 29, 2026, is open to small businesses, including certified service-disabled veteran-owned, minority, and women-owned enterprises. The prime contractor, J.W. Fowler, is actively seeking subcontractor pricing and offering support to M/W/DBE firms regarding bonding, insurance, and equipment procurement to maximize participation.

POSTED

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MWD - Inland Feeder/SBVMWD Foothill Pump Station Intertie, Stage 1 (Specification 2049)

Solicitation # mwd-inland-feedersbvmwd-foothill-pump-station-intertie-stage-1-specification-2049

The MWD Inland Feeder/SBVMWD Foothill Pump Station Intertie Stage 1 project involves the installation of extensive steel piping, including 2,150 linear feet of 54 to 66-inch diameter pipe and 200 linear feet of 144-inch diameter pipe. The scope of work encompasses the installation of various contractor and MWD furnished valves, tie-ins, and associated fittings, along with the construction of four surge tanks, two valve vaults, and an air compressor yard structure. Additional requirements include drainage improvements, electrical upgrades, instrumentation and controls, and specialized excavation for cobbles and large boulders. The project also requires welding, disinfection, and surface restoration to complete the appurtenant work. This solicitation is open to various small business set-asides, including SDB, WOSB, HUBZone, and SDVOSB entities. The performance of the contract will take place in California, with a response deadline of September 29, 2026.

W.A. Rasic Construction Company, Inc.

POSTED

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Harrington Wastewater Treatment Plant Upgrades

Solicitation # harrington-wastewater-treatment-plant-upgrades

Prospect Construction, Inc. is soliciting pricing for the Harrington Wastewater Treatment Plant Upgrades project located in Washington. The scope of work includes several key trades, specifically aggregate, electrical, dewatering, concrete, miscellaneous metals, and plumbing systems. All submissions must comply with BABA and Prevailing/Davis Bacon Wage requirements. The solicitation is open to a wide range of certified entities, including Small Businesses, Disadvantaged Businesses, Women-Owned, Minority-Owned, and Veteran-Owned firms. Prospect Construction, Inc. encourages SBE and DBE participation and is open to contracting with groups of these firms for larger scopes of work. Interested parties must submit their pricing by the deadline of September 15, 2026.

Prospect Construction, Inc.

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. This solicitation is managed by W.M. Lyles Co. and falls under NAICS code 237110. The project is open to various set-aside categories, including Small Business, Disadvantaged Business Enterprise, Disadvantaged Veteran Business Enterprise, Minority Business Enterprise, and Woman Business Enterprise. Interested parties must submit their responses by the deadline of October 21, 2026. Primary inquiries and coordination for this project should be directed to Scott Fults via email at cdobids@wmlylesco.com or by phone at 661-679-1164.

POSTED

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Gumtree and Knoll Park Pipeline Replacement Project, CA

Solicitation # gumtree-knoll-park-pipeline-replacement-project-ca

The Gumtree and Knoll Park Pipeline Replacement Project in California, managed by Griffith Company, involves the installation and replacement of potable-water pipelines. The scope of work includes the Knoll Park section, consisting of approximately 3,800 linear feet of 8-inch and 2,100 linear feet of 6-inch CML&C, and the Gum Tree section, which requires the replacement of approximately 3,000 linear feet of 20-inch pressurized CML&C pipeline. Due to the nature of the excavation, cultural-resource monitors will be present on-site, requiring close coordination with all construction operations. This solicitation, categorized under NAICS code 237110, has a response deadline of September 15, 2026. Interested parties should contact Brian Collins for further information regarding this project.

POSTED

DEADLINE

Industrial Park Waterline Extension in Hoke County, NC

Solicitation # industrial-park-waterline-extension-hoke-county-nc

Columbus Utilities, Inc. is soliciting bids for the Industrial Park Waterline Extension project located in Hoke County, North Carolina. This opportunity is specifically seeking certified Disadvantaged Business Enterprise, Minority Business Enterprise, and Women-Owned Small Business subcontractors and suppliers under NAICS code 237110. The project involves the extension of waterlines to support an industrial park, with detailed bidding documents available for review through Columbus Utilities, Hoke County, and LKC Engineering, PLLC. Proposals must be submitted by the bid closing deadline of September 9, 2026, at 2:00 PM. Interested parties can coordinate submissions and inquiries via phone, fax, or email through the primary point of contact, Tony Strickland. While the specific contract value and period of performance are not disclosed in the solicitation notice, the project emphasizes the inclusion of certified small and disadvantaged business entities in the execution of the work.

Columbus Utilities, Inc.

POSTED

about 7 hours ago

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AI Contract Overview

The contract pertains to the excavation, installation, and backfilling of septic tanks and drainfield leach lines, with strict adherence to local soil conditions and regulatory setback requirements to ensure environmental and public health compliance. All work must be performed in accordance with established standards for wastewater system construction, including proper site evaluation, trenching, piping, and soil compaction protocols to guarantee long-term system functionality and regulatory approval. This is a subcontract under a Total Small Business Set-Aside, classified under NAICS code 237110 for Sewer and Septic System Construction, and is exclusively available to small businesses as defined by the SBA. The solicitation was posted on April 29, 2026, with a deadline for responses on May 18, 2026, at 3:00 PM. The contracting agency is the Department of the Interior through the Pwr Olym MABO(83000), though specific performance location details are not provided. The work is expected to be completed in compliance with federal and local environmental guidelines, and contractors must demonstrate capability in meeting technical, safety, and regulatory standards for on-site wastewater systems.