This Government Contract opportunity from Department Of The Interior was posted on May 21, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Water Treatment or Filtration System Installation

Closed

Federal

Submission Closed06/01/2026, 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: 221320

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Sioux City Wastewater Treatment Plant Facility Plan - Phase 1 Improvements Project

Solicitation # sioux-city-wastewater-treatment-plant-facility-plan-phase-1-improvements-project

The Sioux City Wastewater Treatment Plant Facility Plan Phase 1 Improvements Project, managed by Rice Lake Construction Group, involves extensive upgrades and rehabilitations to critical plant infrastructure in Iowa. Key mechanical and process improvements include the replacement of preliminary treatment equipment, primary clarifiers, and the RAS pump station, alongside the conversion of aeration tanks to a three-stage process and the rehabilitation of an anaerobic digester for sludge storage. The project also prioritizes safety and operational reliability through the installation of new standby emergency power generators, main switchgear replacement, SCADA system upgrades, and plant-wide odor control measures to mitigate emissions from headworks and dewatering areas. The scope of work encompasses significant demolition of unused structures and buildings, complemented by comprehensive site and civil improvements. Required materials and services span a wide array of disciplines, including hazardous material abatement, concrete and masonry work, HVAC, electrical systems, and specialized water and wastewater equipment. This large-scale modernization effort integrates structural rehabilitation with advanced process gas and liquid handling systems to ensure compliance with NFPA 820 and other safety standards.

Rice Lake Construction Group

POSTED

DEADLINE

Waste Water TreatmentThe Department of Justice, specifically the Federal Prison System Bureau of Prisons, is forecasting a contract for wastewater treatment utility services to be performed in Bastrop, Texas. This requirement falls under NAICS code 221320 and is intended to be set aside as an 8(a) Sole Source procurement. The forecast was posted on October 25, 2026, with Gennie Derequito serving as the primary point of contact and Sarah Dean acting as the Small Business Specialist. This procurement aims to secure specialized utility services to maintain wastewater treatment operations at the designated facility.

Federal Prison System / Bureau Of Prisons

POSTED

DEADLINE

Mobile Organic Biofilm (MOB) Technology

Solicitation # ACAN26-0550

The City of Saskatoon has issued Advance Contract Award Notice ACAN26-0550 for the procurement of Mobile Organic Biofilm technology. This specialized technology is intended for use in an activated sludge system to support nitrifier growth and facilitate simultaneous biological nutrient removal. The required MOB particles must be capable of flowing between reactor zones, settling in secondary clarifiers, and being retained and returned to the bioreactor via separation devices such as rotary screens. The City intends to award the contract to a pre-identified supplier believed to be the sole provider capable of meeting these specifications. However, other suppliers may challenge this intent by submitting a statement of capabilities demonstrating their ability to satisfy the requirements. Interested parties must register and submit their responses through the electronic bidding system at saskatoon.bidsandtenders.ca by the deadline of 2:00:59 p.m. CST on Friday, November 6, 2026.

POSTED

DEADLINE

Mobile Organic Biofilm (MOB) Technology

Solicitation # ACAN 26-0550

The City of Saskatoon has issued Advance Contract Award Notice ACAN 26-0550 to procure Mobile Organic Biofilm technology for use in an activated sludge system. This technology is intended to support the growth of nitrifiers and create a stratified microbial community to facilitate simultaneous biological nutrient removal. The required MOB particles must be capable of flowing between reactor zones, settling in secondary clarifiers, and being retained and returned to the bioreactor via separation devices such as rotary screens. The City intends to award the contract to a pre-identified supplier believed to be the sole provider capable of meeting these specifications. However, other suppliers may challenge this intent by submitting a statement of capabilities demonstrating their ability to satisfy the requirements by the deadline of November 6, 2026. If no qualifying statements are received by this date, the City may proceed with the award to the pre-identified supplier.

POSTED

DEADLINE

Decarbonator System Supply and InstallationThis subcontract involves the supply and installation of forced-draft decarbonator towers for prime contractors working on industrial wastewater projects for the Town of Queen Creek in Arizona. The scope of work includes the fabrication of FRP towers, the installation of polypropylene packing media, and the integration of blowers for systems consisting of one to four towers. The primary objective is to deliver a fully operational Decarbonator System capable of achieving CO2 removal efficiency of up to 85 percent. Managed by CIP, the procurement process for this project began on October 22, 2026, with a response deadline set for December 8, 2026. The project falls under NAICS code 221320 and is focused on enhancing wastewater treatment infrastructure through specialized equipment installation and system integration.

POSTED

DEADLINE

Bypass Pumping ServicesThis subcontract for Bypass Pumping Services involves providing temporary pumping solutions for prime contractors working on Gwinnett County Department of Water Resources pump station projects. The selected provider will be responsible for the installation, operation, and maintenance of temporary systems designed to divert wastewater around active construction zones, ensuring that facility operations remain uninterrupted and flow management is continuous throughout the rehabilitation period. The opportunity is associated with the Gwinnett County Government in Georgia under NAICS code 221320. Interested parties must note that the response deadline is December 8, 2026, following a posting date of October 21, 2026.

Gwinnett County Government

POSTED

DEADLINE

Operations and Maintenance (O&M) Services for the SBIWTP

Solicitation # 191BWC26R0009

Solicitation 191BWC26R0009, issued by the International Boundary and Water Commission, seeks a contractor to provide Firm Fixed Price Operations and Maintenance (O&M) services for the South Bay International Wastewater Treatment Plant (SBIWTP) in San Ysidro, California. The contract is structured with a base year running from June 1, 2027, to May 31, 2028, and multiple option years extending through May 2031. A primary objective of the scope is managing plant operations, SCADA systems, and maintenance during the facility's expansion from 25 MGD to 50 MGD. The contractor must ensure 24/7 staffing, including a bilingual operator, and maintain strict compliance with the National Pollutant Discharge Elimination System (NPDES) permit and other regional water quality board regulations. Award will be based on the Highest Technically Rated with a Fair and Reasonable Price method, where non-price factors—such as plant operations, permit compliance, and staffing—are significantly more important than cost. Key requirements include the designation of a Project Manager, Superintendent, Site Safety and Health Officer, SCADA Specialist, and Asset Manager. The contractor is responsible for a wide array of deliverables, including a Phase-In Plan, Preventative Maintenance Plan, and monthly performance reports. Security is a high priority, requiring background investigations for personnel and adherence to NIST standards for protecting Controlled Unclassified Information. Performance will be monitored via a Quality Assurance Surveillance Plan focusing on regulatory compliance, uptime, and effluent quality.

Internat Boundary And Water Commission

POSTED

DEADLINE

Y--GRCA 257282 - Replace Wastewater Plant at South Ri

Solicitation # 140P2026R0101

Solicitation 140P2026R0101 is an unrestricted full and open competition Invitation for Bid issued by the National Park Service, DSC Contracting Services Division, for the replacement of the South Rim Wastewater Treatment Plant at Grand Canyon National Park, Arizona. This design-bid-build project involves the construction of a GD Membrane Bio-Reactor wastewater treatment plant, including new process systems, administrative and support buildings, and utility connections. The scope of work encompasses complete demolition and removal of existing infrastructure, site preparation, grading, paving, fencing, and improvements to the facility access road. The project also requires a 12-month operational support period following construction. The estimated magnitude of construction exceeds 100 million dollars, with a period of performance from February 1, 2027, to February 1, 2030, and a revised assumed Notice to Proceed date of April 1, 2027. The government will utilize a multi-factor, best-value tradeoff process for award, evaluating proposals based on technical experience, technical approach, management approach, key personnel experience, and price. Key personnel requirements include a Project Manager, Construction Superintendent, Quality Control Manager, Safety Specialist, and Historic Preservation Treatment Specialist. Contractors must provide performance and payment bonds and adhere to union prevailing wage rates. Technical requirements emphasize strict cybersecurity hygiene for SCADA/MES equipment, granting the government full access to software source code, and compliance with ADA standards. Invoicing is managed electronically through the U.S. Department of the Treasury's Invoice Processing Platform, requiring a draft review by the Contracting Officer's Representative seven days prior to final submission.

Dsc Contracting Services Division

POSTED

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RFP 9170 Water Treatment Program

Solicitation # 49476

Bowling Green State University is seeking proposals from qualified vendors to implement a comprehensive water treatment program for its Campus Operations department. This solicitation, identified as RFP 9170, is managed by the university's purchasing department and is open to providers capable of meeting the technical requirements of the program. Interested parties must submit all proposals and inquiries exclusively through the Bid Express platform by the deadline of October 30, 2026, at 4:00 PM. All communications must be directed to the designated purchasing contact, Jacob Konecny, as contacting other university personnel regarding this bid may result in the disqualification of the proposal.

Bowling Green State University - Purchasing

POSTED

12 days ago

DEADLINE

in 3 days

NAICS: 221320

Process Equipment SupplierThis subcontract opportunity with Garney Pacific, Inc. is for a process equipment supplier to support wastewater treatment plant projects for the City of Redlands. The selected supplier will be responsible for providing and delivering specialized equipment, including pumps, chemical feed systems, filters, GAC, and HDPE tanks. The contract is set aside for various small business categories, including SBA certified Veteran, Service-Disabled Veteran, Women-Owned, and HUBZone small businesses. Key compliance requirements include the use of union labor and the provision of a 100% Payment and Performance Bond. Responses are due by November 12, 2026.

POSTED

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Water Treatment Cartridge Filter SupplierThis subcontract agreement establishes a partnership for the supply of NSF-61 certified melt-blown polypropylene pleated cartridge filters intended for sediment removal on City of Tucson Water Department projects. The supplier is responsible for providing filters that meet specific technical requirements, including a 6 inch outer diameter, 60 inch length, 5 micron absolute retention, and 75 square feet of surface area, ensuring full compatibility with FILTREK housing and the provision of all necessary manufacturers data sheets. The contract mandates the delivery of 408 cartridges annually, distributed in quarterly batches of 102 units. This procurement falls under NAICS code 221320 and is managed through the Arizona Water Department, with a response deadline set for October 30, 2026.

POSTED

DEADLINE

Waste Water Treatment Plant Operations and MaintenanceThis subcontract for Waste Water Treatment Plant Operations and Maintenance involves the daily operation and preventive maintenance of Department of the Air Force facility projects at Lajes Field in Praia da Vitoria, Portugal. The scope of work includes managing an 800K GPD activated sludge treatment system, 14 lift stations, 8 oil-water separators, and 2 grease traps. The contractor is responsible for implementing a comprehensive 52-week preventive maintenance plan and providing continuous operational status updates and detailed maintenance logs. To ensure technical compliance, the contract requires a Lead Operator possessing a Level II WPI Certification and a minimum of three years of on-site experience. This opportunity is categorized under NAICS code 221320 and is associated with the Department of Defense. Interested parties must submit their responses by the deadline of November 23, 2026.

FA4486 765 Abs Conf

POSTED

15 days ago

DEADLINE

in 27 days

AI Contract Overview

The contract involves the installation of water treatment or filtration systems designed to ensure that potable water standards are met within a National Park facility. The project is being managed by the Department of the Interior's Dsc Contracting Services Division and is classified under NAICS code 221320, which pertains to water supply and irrigation systems. The procurement is structured as a subcontract, with no specific set-aside designation, and aims to upgrade or establish water treatment infrastructure to maintain safe and clean drinking water for park visitors and staff. The solicitation was posted on May 21, 2026, and interested parties must submit their responses by June 1, 2026, at 9:00 PM. Details regarding the exact location of the work, as well as a primary point of contact, are not specified in the available information. The contract emphasizes compliance with potable water standards, making it critical that the installed systems effectively filter and treat water to meet health and safety regulations. This initiative reflects the Department of the Interior's commitment to maintaining essential environmental and public health resources within federally managed lands.