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This Government Contract opportunity from California was posted on May 12, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Hazardous Waste Disposal and Environmental Compliance Services

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: 562212
SLED
Landfill Disposal Site Services in Sonoma County
Solicitation # 04A7638
The California Department of Transportation (Caltrans) is soliciting bids for Landfill Disposal Site Services in Sonoma County under solicitation number 04A7638. The selected contractor will provide a disposal site for an estimated 1,875 tons of non-compacted refuse, miscellaneous litter, and debris, as well as 625 tons of green waste, excluding tree stumps. To be eligible, the disposal facility must be located within a 20-mile radius of the Caltrans Maintenance Station at 224 Lincoln Street in Santa Rosa, California. The contractor is required to maintain all necessary permits and licenses, ensure the site remains accessible during rainy weather, and comply with environmental regulations, including Senate Bill 1383 and EPA standards. Bids must be submitted via mail or hand-delivery by October 29, 2026, at 2:00 p.m. Pacific Time; electronic submissions are not accepted. The contract will be awarded to the responsible bidder offering the lowest price who meets all specifications. A 5% preference, capped at $50,000, is available for certified Small Business (SB) or Micro Business (MB) bidders. Key deliverables include providing signed weight scale receipts for every drop-off and submitting itemized monthly invoices in triplicate to the Fairfield, California office. Contractors must also adhere to strict data security standards for State-owned data and disclose any use of generative AI in their deliverables.
California Department of Transportation

POSTED

13 days ago

DEADLINE

in 2 days
NAICS: 562212
SLED
Landfill Disposal Services
Solicitation # RFQ-2026-024
The Zone 7 Water Agency is soliciting quotations under RFQ-2026-024 for landfill disposal services to be performed in Livermore, California. The contract is for an initial three-year term with the option to extend for two additional 12-month periods. The scope of work involves the disposal of various waste types, including dry sludge (greater than 75 percent solid), construction and demolition debris, and sludge media. The successful contractor will be responsible for providing weight tickets for every load and submitting monthly summary reports to the Agency's Maintenance and Construction Supervisor. Award decisions will be based on the best interest of the Agency, evaluating total costs for the first three years alongside the bidder's compliance with RFQ requirements, experience, and reputation. Bidders must submit their costs on the provided Bid Form without alterations and include a valid California Contractor's License, an Acknowledgment of Insurance Requirements, and an Exception and Deviation Form. All waste must be managed in accordance with federal, state, and local laws, and the contractor maintains the right to inspect and test waste to ensure it meets acceptance criteria. Payment terms are generally net 30 days following the approval of invoices, which must include a proper purchase order or contract number. The contractor is required to maintain all necessary permits and licenses throughout the agreement and must notify the Agency of any changes to facility operations. Responses are due by October 29, 2026, at 2:00pm via the E-Procurement Portal.
Zone 7 Water Agency

POSTED

15 days ago

DEADLINE

in 2 days
NAICS: 562212
International
Vaughan Landfill Gas Monitoring
Solicitation # RFP26-241
The City of Vaughan is soliciting proposals for the operation, maintenance, and monitoring of the Landfill Gas (LFG) collection and flaring system at the closed Vaughan Landfill, located northeast of Teston Road and Keele Street. The selected supplier will be responsible for managing the LFG control system, conducting bi-monthly site visits and extraction well monitoring, and providing a secure web-based interface for real-time operational data. Key deliverables include the submission of bi-annual gas monitoring reports to the Ministry of Environment Conservation and Parks (MECP) every February and August, as well as the development of Standard Operating Procedures. The project also requires the supplier to provide consulting expertise to support the City's landfill closure plan. Proposals must be submitted exclusively through the Bids&Tenders online portal by November 9, 2026. Mandatory requirements for consideration include a valid Professional Engineering License to practice in Ontario and a Gas Technician 1 Certification. Evaluation is based on a cumulative score consisting of a technical proposal (70 points), requiring a minimum score of 70 percent to advance, and a relative pricing evaluation (30 points). The contract includes a net 30-day payment term and an annual cash allowance of 20,000 dollars for parts and equipment with a maximum markup of 5 percent. Comprehensive insurance coverage is required, including Professional Liability of at least 1 million dollars and Sudden and Accidental Pollution Liability of at least 2 million dollars.
City of Vaughan

POSTED

19 days ago

DEADLINE

in 13 days
NAICS: 562212
SLED
Landfill Disposal Services
Solicitation # RFQ-2026-024
Zone 7 Water Agency is soliciting quotes under RFQ-2026-024 for Landfill Disposal Services to be performed in California. The agency seeks a qualified contractor with at least two years of continuous experience in landfill disposal and a valid California Contractor's License. The resulting contract will be for an initial three-year term, with the option to extend for two additional 12-month periods. Proposals must be submitted via the E-Procurement Portal by October 29, 2026, at 2:00pm. The agency intends to award the contract to the lowest responsive and responsible bidder, though it reserves the right to select a quotation based on the best interest of the agency, considering factors such as experience, quality, and reputation. The selected contractor will be responsible for receiving and disposing of agency waste in compliance with all federal, state, and local laws. Key deliverables include providing weight tickets for every load and submitting monthly summary reports of waste received to the Maintenance and Construction Supervisor. The contractor is authorized to inspect waste upon delivery and may reject nonconforming materials that do not meet approved waste profiles or legal requirements. Invoicing may occur on a one-time or monthly basis, with standard payment terms of thirty days following approval. Bidders must provide a completed Bid Form, a Vendor Questionnaire, an Exception and Deviation Form, and an Acknowledgement of Insurance Requirements to be considered.
Maintenance

POSTED

19 days ago

DEADLINE

in 2 days

AI Contract Overview

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The contract involves the off-site disposal of lead-contaminated debris and wastewater under the California Department of Transportation, requiring full compliance with environmental regulations and the provision of complete regulatory documentation and chain-of-custody records for all transferred materials. The work is classified under NAICS code 562212 for hazardous waste disposal and is structured as a subcontract, with performance required in Kern County, California. All activities must adhere to state and federal hazardous waste handling protocols to ensure safe transport, treatment, and final disposal while maintaining traceability from point of generation through to approved disposal facilities. The solicitation was posted on May 12, 2026, with responses due by May 19, 2026, and no set-aside provisions are specified, indicating it is open to general qualified contractors.

General Info

Off-site disposal of lead-contaminated waste with full compliance in Kern, California, under NAICS 562212.

Place of Performance

Kern, CA, USA

Set-Aside

NONE

Documents

This scope was carved out of 09A1139.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

SB Minor B 09A1139 - Micro-surface and stripe Mill St on and off ramps in Kern County.

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

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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Off-site disposal of lead-contaminated debris and wastewater with full regulatory documentation and chain-of-custody reporting.

More opportunities from California Department of Transportation

Same awarding agency

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 28 days
View Details
NAICS: 561730
New
SLED
Smart Controller and Automatic Landscape Irrigation System Repair and Maintenance Services
Solicitation # 07A6532
The California Department of Transportation (Caltrans) is soliciting bids for Invitation for Bid 07A6532 to provide repair and maintenance services for smart controllers and automatic landscape irrigation systems. The scope of work covers approximately 225 controllers across 1,800 acres within Los Angeles and Ventura Counties, including maintenance at various Caltrans Maintenance Stations and along the Caltrans Right of Way. The contractor is responsible for providing all labor, parts, materials, tools, and equipment necessary to test, maintain, and repair irrigation controllers, auxiliary items, and electrical wiring, while also managing traffic control where required. The estimated period of performance runs from December 1, 2026, through November 30, 2029. Eligible bidders must possess a valid C-27 Landscaping Contractor license and current registration with the Department of Industrial Relations. The contract is a public works project, and prevailing wages apply if the total bid exceeds 15,000 dollars. Bids will be awarded to the lowest responsive and responsible bidder, with a maximum bid cap of 484,000 dollars. A five percent preference is available for certified Small, Micro, or Small Business for the Purpose of Public Works entities, capped at 50,000 dollars. Service requests are categorized as routine, requiring a 24-hour response, or non-routine, requiring a two-hour response. Submissions must be mailed or hand-delivered by November 10, 2026, at 2:00 p.m. PT; electronic submissions are not accepted. Required documentation includes the Bid Proposal (ADM-1412), Bidder Certification Sheet, Non-Collusion Declaration, and various civil rights and legal certifications. A payment bond for 100 percent of the total price is required for any individual service request exceeding 25,000 dollars. Final payment is contingent upon the submission of a DVBE Utilization Report, with a potential withholding of 10,000 dollars for non-compliance.
Landscaping Services

POSTED

5 days ago

DEADLINE

in 14 days
View Details
NAICS: 336211
New
SLED
IFB 32-12-6645 1000 Gallon Brine Body, Roll-Off for 2-Axle Truck
Solicitation # 32-12-6645
The California Department of Transportation, Division of Equipment, is seeking bids for a one-time acquisition of 17 integrated 1,000-gallon roll-off style brine and water tanker bodies designed for 2-axle heavy-duty truck chassis. Each unit must feature two 535-gallon nominal capacity tanks made of UV-stabilized, non-corrosive polyethylene and include a hose reel, adjustable spray booms, pumps, and all necessary fittings. The procurement is governed by State of California Specification 80210-445-261-6645 and requires compliance with the California Vehicle Code, Federal Motor Vehicle Safety Standards, and California Equipment Quality Standards. Deliveries are split across four Caltrans shops located in Eureka, San Bernardino, Bishop, and Stockton, with all bids required to be quoted F.O.B. Destination, Freight Prepaid. The contract will be awarded on an all-or-none basis to the lowest responsive and responsible bidder, with a 5% preference given to certified small businesses or those with at least 25% small business participation. Bids must be submitted via email by November 17, 2026, and must include all required certifications, including the Payee Data Record and Bidder Declaration Form. The project involves a rigorous three-phase inspection process consisting of a pilot unit approval, pre-delivery inspections at the supplier's location, and final inspections at the delivery destinations. Late deliveries are subject to charges of $50.00 per workday, capped at 25% of the total order value, and prices must remain fixed for at least four months from the purchase order date.
Motor Vehicle Body Manufacturing

POSTED

5 days ago

DEADLINE

in 21 days
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