This Government Contract opportunity from California was posted on August 6, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Environmental Compliance & Stewardship

Closed

State & Local

Submission Closed09/08/2026, 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: 541620

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Biological Monitoring and Environmental ComplianceThis subcontract for Biological Monitoring and Environmental Compliance supports Caltrans District 06 fuel reduction projects in Fresno. The selected provider will deliver specialized biological and ornithological expertise to prime contractors, focusing on on-site monitoring to ensure the avoidance of species protected under the California Endangered Species Act and the Federal Endangered Species Act. Additionally, the contractor is responsible for overseeing the implementation of Avoidance and Minimization Measures as required by CEQA and NEPA. Key deliverables include the provision of on-site biological clearance and the submission of detailed environmental compliance reports. To qualify, personnel must possess recognized Biologist or Ornithologist credentials and have completed WEAP training. The solicitation was posted on November 3, 2026, with a response deadline of November 24, 2026.

California Department of Transportation

POSTED

DEADLINE

ENVIRONMENTAL TRUST Comprehensive E mergency Management Plan Update & Environmental Engineering and Consulting Services

Solicitation # Environmental-Trust_RFP_FY-2027_Emergency-Plan-Update-Environmental-Services_10202026.pdf

The Confederated Tribes of the Colville Reservation is seeking professional services for a combined maximum budget of $289,497, divided into two primary functional areas. The first area, Emergency Management Planning, is capped at $150,000 and involves updating the 2014 Comprehensive Emergency Management Plan, developing Emergency Support Functions, creating hazard-specific annexes, and establishing the Tribes' first Continuity of Operations Plan and Tribal Threat and Hazard Identification and Risk Assessment. This scope also includes the development of an all-hazards tabletop exercise package and the facilitation of coordination workshops to integrate these planning components. The second area, Environmental Engineering and Consulting Services, is capped at $139,497 and focuses on technical field operations in Nespelem, Washington. Key tasks include biannual groundwater monitoring and testing at the Nespelem Post and Pole site, as well as the characterization, removal, and lawful disposal of hazardous materials at the Nespelem Recycle Center. The contractor must adhere to strict quality standards, including the use of approved Quality Assurance Project Plans and Health and Safety Plans, and provide detailed verification reports. Mandatory monthly progress reports are required for all activities, and all project communication costs must be integrated into the respective task budgets. TERO fees are handled separately by the Tribal Employment Rights Office and are not included in the scope of work budget.

Confederated Tribes of the Colville Reservation

POSTED

DEADLINE

Arboricultural Risk Assessment & Strategy ConsultingThis subcontract opportunity for the City of Hamilton involves providing arboricultural risk assessment and strategy consulting. The selected provider will perform technical analysis and strategic planning for prime contractors managing municipal tree and woodland asset projects. Key responsibilities include analyzing existing assets, developing risk management frameworks, and creating process maps, matrices, and charts to establish risk mitigation workflows. The primary deliverable for this engagement is a completed Tree Risk Management Strategy document. To qualify, the provider must hold an ISA Certified Arborist designation or an equivalent professional forestry certification. Interested parties must submit their responses by December 8, 2026.

POSTED

DEADLINE

Proposal for Tree Risk Management Strategy for Public Tree and Woodland Assets in the City of Hamilton

Solicitation # C11-55-26

The City of Hamilton, through its Corporate Services Department Procurement Division, has issued Request for Proposals solicitation C11-55-26 for the development of a Tree Risk Management Strategy. The selected proponent will be responsible for creating a comprehensive strategy for all municipally owned trees and woodland assets within the city's geographical limits. This work must align with legal and legislative requirements, industry standards, and municipal benchmarking. Key deliverables include the primary strategy and a visually appealing, easy-to-understand public-facing document that addresses the city's maintenance responsibilities and clarifies the facts regarding perceived tree risks. The proponent is expected to utilize process maps, matrices, charts, and Hamilton-specific photography to support these documents. Electronic submissions must be submitted through the City's Bidding System by December 8, 2026, at 3:00 PM Hamilton time, as hardcopy submissions will not be accepted. This procurement is subject to the Canadian Free Trade Agreement and adheres to the Ontario Human Rights Code, the Ontarians with Disabilities Act, and the Accessibility for Ontarians with Disabilities Act. No proposal, performance, or labor and material payment security is required for this solicitation. Inquiries regarding this project are directed to Procurement Specialist Mohammad Haque.

POSTED

DEADLINE

Environmental Permitting & ConsultingThis subcontract for Environmental Permitting and Consulting supports prime contractors on trail development projects for the Massachusetts Department of Conservation and Recreation. The scope of work involves conducting environmental impact assessments and wetland delineation to secure necessary permits from local and state agencies. The primary deliverables include approved permits and comprehensive environmental compliance reports. Qualified candidates must hold a Certified Wetland Scientist designation or similar environmental certifications to perform these services. The project is based in Boston, Massachusetts, under NAICS code 541620. The solicitation was posted on November 3, 2026, with a response deadline of February 2, 2027.

Department of Conservation and Recreation

POSTED

DEADLINE

Pipe Conditioning and TreatmentThis subcontract opportunity involves providing chemical conditioning and treatment services for piping systems at City of Surrey District Energy Transfer Stations. The selected contractor will work under prime contractors to execute pipe conditioning processes using specific chemical agents and application equipment, ensuring all work adheres to standard DES Specifications to deliver a system ready for service. The project is located in Canada and is associated with the City of Surrey and the Province of British Columbia. Interested parties must submit their responses by the deadline of November 23, 2026. The contract is categorized under NAICS code 541620, focusing on environmental consulting and specialized technical services.

POSTED

DEADLINE

Wildlife Biology Technical Writer / Scientific CommunicatorThis subcontract opportunity is for a Wildlife Biology Technical Writer and Scientific Communicator to support prime contractors on Oregon Forest Resources Institute projects. The selected professional will be responsible for drafting, editing, and coordinating scientific outreach publications, specifically translating complex technical wildlife biology data into accessible language for landowners and the general public. Key duties include managing the review process with peer panels and board directors to deliver agency-approved final text and presentation scripts. Qualified candidates must possess a degree in forestry or wildlife and have at least 10 years of professional experience in wildlife biology. The work will be performed in Portland, Oregon, under NAICS code 541620. Interested parties must submit their responses by the deadline of December 3, 2026.

Oregon Forest Resources Institute

POSTED

DEADLINE

Environmental Compliance & Emergency ResponseThis subcontract for Environmental Compliance and Emergency Response, issued by the BC Timber Sales Branch of the Province of British Columbia, focuses on managing environmental emergency response and spill containment for prime contractors. The selected provider is responsible for developing an environmental Emergency Response Plan using the BCTS LPC template, managing spill kits in accordance with BCTS EFP 06 Fuel Handling, and conducting documented emergency preparedness drills. All activities must strictly comply with the BCTS Environmental Management System and the Wildfire Act. The primary deliverables for this engagement include an approved emergency response plan and detailed reports documenting the completed drills. Interested parties must submit their responses by December 1, 2026. The contract falls under NAICS code 541620 and will be performed within Canada.

BC Timber Sales Branch

POSTED

DEADLINE

BRC0000667 On-Call Commercial and Institutional Recycling Program

Solicitation # 49381

The Los Angeles County Public Works department is seeking proposals for the On-Call Commercial and Institutional Recycling Program, solicitation number 49381. This initiative is designed to help businesses and institutions implement large scale waste diversion and improve the sustainability of their materials management. Selected partners will provide guidance to entities in developing source reduction policies, establishing zero waste goals, and adopting environmentally sustainable practices. This solicitation is categorized under NAICS code 541620 and is open for responses until November 25, 2026. Interested parties can find further details and the full request for proposal through the Do Business with Public Works portal or the Bid Express platform. Performance of the contract will take place within the state of California.

Los Angeles County Public Works

POSTED

DEADLINE

Avian Habitat Usage Analysis and Ecological ReportingThe Avian Habitat Usage Analysis and Ecological Reporting subcontract involves providing specialized ecological analysis for prime contractors on Natural England projects. The work is centered on the Teesmouth and Cleveland Coast, specifically focusing on SSSI, SPA, and Ramsar sites. The primary objective is to evaluate habitat usage across supporting and brownfield areas by analyzing more than 20,000 over-wintering coastal birds and other qualifying species. The selected provider must possess deep expertise in the regulations governing protected sites to develop distribution methodologies and author detailed technical reports. The final deliverable is a comprehensive habitat usage report detailing the methods used and the resulting data. This opportunity falls under NAICS code 541620 and requires a response by November 13, 2026.

POSTED

DEADLINE

Environmental Remediation Project Management/OversightThis subcontract for Environmental Remediation Project Management/Oversight involves providing field oversight and verification of physical cleanup work for prime contractors on City of New London EPA Brownfields RLF projects. The selected provider will be responsible for ensuring all work aligns with the SSQAPP, ABCA, and Remedial Action Plans, while monitoring compliance with Davis-Bacon and BABA regulations. Key deliverables include the submission of detailed inspection reports and the review of payment requests to provide formal payment recommendations. Qualified candidates must possess the ability to perform rigorous field inspections and demonstrate a strong working knowledge of EPA and CTDEEP standards. Managed by DAS Procurement for the state of Connecticut under NAICS code 541620, the solicitation was posted on November 3, 2026, with a response deadline of December 8, 2026.

POSTED

DEADLINE

Hazardous Building Material Abatement SpecialistThis subcontract opportunity is for a Hazardous Building Material Abatement Specialist to support prime contractors on City of New London EPA Brownfields RLF projects. The selected specialist will be responsible for developing, reviewing, and revising identification and removal plans for hazardous materials, specifically focusing on asbestos and lead. All deliverables must ensure strict compliance with federal, state, and local regulatory requirements to secure approved abatement plans. Qualified candidates must hold professional certification in hazardous material identification and abatement planning. This procurement is managed by DAS Procurement for the state of Connecticut under NAICS code 541620. Interested parties must submit their responses by the deadline of December 8, 2026.

DAS Procurement

POSTED

about 16 hours ago

DEADLINE

in about 1 month

AI Contract Overview

This subcontract for Environmental Compliance and Stewardship supports Caltrans District 4 roadway projects by providing environmental monitoring and regulatory compliance oversight for prime consultants. The scope of work includes managing PLAC compliance, monitoring environmental commitments, and maintaining the Environmental Commitments Record in accordance with the Standard Environmental Reference. The selected provider is responsible for ensuring 401 permit compliance, obtaining Certificates of Environmental Compliance, and delivering all necessary compliance reports and certifications. This opportunity is associated with the California Department of Transportation under NAICS code 541620, with a response deadline of September 8, 2026.

General Info

Subcontract for Caltrans District 4 environmental monitoring and regulatory compliance oversight services.

Agency

California Department of Transportation

NAICS

541620 - Environmental Consulting Services

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of 04A7615.

The full solicitation package (4 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

04A7615 - A&E On-call Roadway Construction services, District 04.

AI Contract Breakdown

Uniform Contract Format

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

Timeline

PhaseClosed

PostedAug 6

subcontract

Response DeadlineSep 8

Deadline has passed

Submission Closed

09/08/2026, 06:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia Department of Transportation

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia Department of Transportation

Office AddressN/A

ContactsNo contact information available

Full Description

Performs environmental monitoring and regulatory compliance oversight for prime consultants on Caltrans District 4 roadway projects. Manages PLAC compliance, monitors environmental commitments, and updates the Environmental Commitments Record (ECR) per the Standard Environmental Reference (SER). Ensures 401 permit compliance and obtains Certificates of Environmental Compliance (CEC). Delivers compliance reports and CEC certifications.