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This Government Contract 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.

Certified Water Treatment Operations

Closed
State & Local

Contract Overview

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

Active Opportunities Like This One

NAICS: 221320
New
Federal
Y--GRCA 257282 - Replace Wastewater Plant at South Ri
Solicitation # 140P2026R0101
Solicitation 140P2026R0101 is an unrestricted full and open competition 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 installation of a GD Membrane Bio-Reactor wastewater treatment plant, including new process facilities, instrumentation and control systems, electrical infrastructure, and administrative support buildings. The scope of work encompasses comprehensive site preparation, grading, paving, fencing, and improvements to the facility access road, as well as the complete demolition and removal of existing infrastructure once the new plant is accepted. The project includes a 12-month operational support period and requires strict adherence to Department of the Interior cybersecurity requirements, ADA and ABA accessibility standards, and union prevailing wage rates. The contract is a firm-fixed-price award with a magnitude of construction exceeding 100 million dollars. The period of performance is scheduled from February 1, 2027, to February 1, 2030, with a total performance duration of 1095 calendar days after the notice to proceed. Award selection will be based on a multi-factor, best-value tradeoff process evaluating technical experience, past performance, and proposed pricing. Offerors must provide performance and payment bonds and identify key personnel, including a Project Manager, Superintendent, and specialists in quality control, safety, and historic preservation. Proposals are submitted in two volumes, with technical evaluations focusing on the relevance of project experience and the contractor's capability to manage a project of this scope and complexity.
Dsc Contracting Services Division

POSTED

1 day ago

DEADLINE

in 21 days
NAICS: 221320
Federal
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

8 days ago

DEADLINE

in 2 months
NAICS: 221320
Federal
Waste Water Treatment Plant Services
Solicitation # FA448627Q0002
Solicitation FA448627Q0002 is a Request for Quotation issued by the Department of the Air Force for Waste Water Treatment Plant Services at Lajes Field in Praia da Vitoria, Azores, Portugal. The contractor will be responsible for the operation and maintenance of a waste water treatment plant with a capacity of 800,000 gallons per day, as well as the associated lift station, oil-water separator, and grease traps. Key requirements include providing a Lead Operator with a Level II or higher WPI Certification and at least three years of experience, implementing a 52-week preventive maintenance plan, and ensuring compliance with ISO/IEC 17025 laboratory standards and Portuguese decree law 183/2009 for waste landfills. The scope also encompasses corrosion control, painting, and the management of hazardous materials. The government intends to award a single Firm-Fixed-Price contract with a total duration not to exceed 66 months, consisting of a base period and four option periods. This is an unrestricted acquisition, and proposals must be submitted electronically by November 23, 2026, at 14:00 Azores Time. Offers are evaluated through a three-step sequential process: an administrative compliance review, a technical acceptability evaluation based on experience, approach, and a quality control plan, and finally a price evaluation in Euro currency. Award is contingent upon the availability of funds. Payments will be processed electronically via the Wide Area WorkFlow system.
FA4486 765 Abs Conf

POSTED

16 days ago

DEADLINE

in 26 days

AI Contract Overview

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The California Department of Transportation is seeking a subcontractor for Certified Water Treatment Operations to manage sodium hypochlorite water treatment systems in Del Norte. The selected provider must supply T-2 or D-1 certified operators responsible for the daily operation, continuous monitoring, and minor maintenance of the systems. This opportunity falls under NAICS code 221320 and was posted on August 11, 2026. Interested parties must submit their responses by the deadline of August 27, 2026.

General Info

Caltrans seeks T-2/D-1 certified operators for water treatment systems in Del Norte.

Place of Performance

Del Norte, CA, USA

Set-Aside

NONE

Documents

This scope was carved out of 01A6607.

The full solicitation package (1 document), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

IFB Water Sampling, Bacteria Testing, and Minor System Maintenance Services for the Sodium Hypochlorite Water Treatment System in Del Norte County.

AI Contract Breakdown

Uniform Contract Format

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Timeline

PhaseClosed
Posted

subcontract

Response Deadline

Deadline has passed

Submission Closed

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Organization & Contact Information

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AgencyCalifornia Department of Transportation
ContactsNo contacts available
OfficeN/A
Office AddressN/A
ContactsNo contact information available

Full Description

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Provide T-2 or D-1 certified operators to perform daily operation, monitoring, and minor maintenance of sodium hypochlorite water treatment systems.

More opportunities from California Department of Transportation

Same awarding agency

New
SLED
Hazardous Waste Disposal Drums Services in Inyo, Mono, and Kern Counties
Solicitation # 09A1153
The California Department of Transportation (Caltrans) is soliciting bids for solicitation number 09A1153 to obtain on-call hazardous waste disposal services across Inyo, Mono, and Kern Counties. The contractor will be responsible for the delivery, pickup, transport, and disposal or recycling of hazardous, biological, environmentally regulated, and laboratory packed waste, including materials such as petroleum-based asphalt, contaminated soil, solvents, and refrigerants. The scope also includes roadside cleanup and sanitization of biowaste within the Caltrans right of way. The estimated period of performance runs from December 1, 2026, through November 30, 2029. The contract will be awarded to the lowest responsive and responsible bidder. Qualified bidders must provide extensive certifications, including a Class A General Engineering license, HAZ certification from the CLSB, and various registrations from the US DOT, CHP, and CalEPA. Technical requirements mandate the use of specific UN-rated steel drums and compliance with CFR Title 49 and CCR Title 22 for packaging and sampling. Payment is subject to Government Code Chapter 4.5, and a five percent preference is available for certified Small Businesses or Microbusinesses. Bids must be mailed or hand-delivered by November 10, 2026, as electronic submissions are not accepted.

POSTED

about 15 hours ago

DEADLINE

in 13 days
View Details
NAICS: 238160
New
SLED
IFB Rain Gutter Replacement, Alameda County
Solicitation # 32A0745
The California Department of Transportation (Caltrans) has issued Invitation for Bid (IFB) 32A0745 for the removal and installation of rain gutters and downspouts at Equipment Main Shop 4 in San Leandro, Alameda County. The project requires the installation of approximately 960 feet of 24-gauge galvanized metal gutters, 17 downspouts, and mesh leaf guards, all of which must be primed and painted with low VOC latex paint. All work must be completed and invoiced within 90 days of the notice to proceed, with an estimated contract term running from January 1, 2027, through December 31, 2027. The total bid proposal must not exceed $484,000.00, and the contract will be awarded to the lowest responsive and responsible bidder. Eligible bidders must possess a C-43 or D-24 license and adhere to California Building Standards Code 2025, CALOSHA, and 2010 ADA Standards. A mandatory site inspection was scheduled for November 17, 2026, and the final bid submission deadline is November 24, 2026, via mail or hand-delivery. Key requirements include a 3% DVBE participation rate, with a 5% preference given to certified Small Business (SB), Microbusiness (MB), or SB-PW contractors. Additionally, a payment bond for 100% of the total account payable is required for bids of $25,000 or more, and prevailing wages apply to bids exceeding $15,000. Invoices must be submitted in triplicate and accompanied by certified payroll records and a DVBE Utilization Report.
Roofing Contractors

POSTED

2 days ago

DEADLINE

in 27 days
View Details

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