This Subcontract opportunity from Government of Canada was posted on May 27, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Environmental Compliance and Monitoring

Closed

International

Submission Closed06/16/2026, 07:00:00 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: 541620

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SWPPP Compliance & Environmental MonitoringThis subcontract opportunity with S.C. Valley Engineering, Inc. focuses on SWPPP Compliance and Environmental Monitoring for municipal utility relocation projects located in California. The selected contractor will be responsible for implementing and maintaining the Stormwater Pollution Prevention Plan, which includes the installation of wattles and silt fences, conducting regular site inspections, and performing runoff monitoring to ensure environmental standards are met. Key deliverables include the provision of maintained erosion controls and the submission of detailed SWPPP compliance reports. This opportunity is designated as an 8A set-aside for Small Disadvantaged Businesses and Disadvantaged Business Enterprises under NAICS code 541620. Responses are due by December 1, 2026.

S.C. Valley Engineering, Inc.

POSTED

DEADLINE

Certified Arborist ServicesThis subcontract for Certified Arborist Services involves providing professional arborist expertise for prime contractors working on Las Virgenes Municipal Water District pipeline projects. The selected provider will be responsible for identifying and marking protected native oaks and sycamores, assessing overall tree health, and evaluating potential impacts caused by pipeline installation. Key deliverables include the development of comprehensive tree protection plans using professional assessment tools and the submission of a final Protected Tree Report. The scope of work requires the contractor to supervise the implementation of tree protection measures, including the installation of protection fencing and conducting field verification of tree preservation. To qualify for this role, the provider must hold an ISA certification. This opportunity is categorized under NAICS code 541620 and is managed by the Engineering and Facilities agency in California, with a response deadline of December 4, 2026.

Engineering & Facilities

POSTED

DEADLINE

Certified Arborist Services for Twin Lakes Pump Station Pipeline Project

Solicitation # 2026-RFP-053

The Las Virgenes Municipal Water District is soliciting services from a certified arborist for the Twin Lakes Pump Station Pipeline Project in Chatsworth, California. The project involves the construction of a new 16-inch water transmission pipeline, with portions of the work located within or adjacent to areas containing protected trees, including coast live oaks and California sycamores. The selected consultant will be responsible for updating a 2019 Protected Tree Report to reflect current site conditions and project designs, providing updated protection recommendations for construction documents, and providing on-site monitoring during critical phases such as fencing and trenching. Additionally, the arborist must support the implementation of mitigation planting, specifically the planting of eight 24-inch box Coast Live Oaks, and monitor these trees for a required three-year survivability period. All work must comply with the City of Los Angeles Protected Tree Ordinance No. 177404 and the City's Recreation and Parks Tree Protection Specifications. The contract requires the consultant to maintain accurate cost records, which the Agency may audit for four years following final payment. Payment is issued via monthly itemized statements and processed within 45 days of receipt. The consultant must adhere to California Labor Code requirements, including Workers' Compensation insurance and prevailing wage laws if applicable. Key personnel must be identified in the agreement, and any substitutions require written approval from the Agency. All project data and documents are confidential, and the use of the Agency's name or project photographs in publicity requires prior written consent.

Engineering & Facilities

POSTED

DEADLINE

Wildlife Capture and Collaring ServicesThe Confederated Tribes of the Colville Reservation is seeking a subcontractor to provide specialized wildlife capture and collaring services in Nespelem. The selected provider will support prime contractors by performing aerial net gunning and darting to capture bighorn sheep, gray wolves, deer, elk, pronghorn, and bison. Key responsibilities include the deployment of GPS collars and the collection of biological samples using specialized aerial equipment. Qualified candidates must possess proven experience in aerial wildlife capture to ensure the successful collaring of animals and the secure delivery of biological samples. This opportunity falls under NAICS code 541620, with a response deadline set for November 19, 2026.

Confederated Tribes of the Colville Reservation

POSTED

DEADLINE

Environmental Review and CEQA/NEPA DocumentationThis subcontract for the County of Merced involves providing specialized environmental review and CEQA/NEPA documentation services for prime contractors. The selected provider will be responsible for performing environmental assessments and drafting a wide range of regulatory documents, including Initial Studies, Exemptions, Negative Declarations, Mitigated Negative Declarations, Environmental Impact Reports, and Environmental Impact Statements. Additionally, the contractor must handle the filing of all official notices in accordance with state and federal statutes. The contract requires the provider to maintain professional liability insurance of 2,000,000 dollars per occurrence. Key deliverables include the submission of completed CEQA/NEPA documents and proof of filed notices. Interested parties should note the response deadline of December 7, 2026, for this opportunity categorized under NAICS code 541620.

POSTED

DEADLINE

Watershed Restoration and Road BrushingThis subcontract opportunity involves performing watershed restoration and road brushing services for prime contractors on Montana DNRC trust lands projects. The scope of work focuses on restoring natural water flows and clearing vegetation from road edges through the application of manual or mechanical brushing methods to deliver restored watershed areas and cleared road corridors. Interested parties must comply with all Montana state insurance and workers compensation requirements. The solicitation was posted on November 5, 2026, with a response deadline of December 3, 2026. This project falls under NAICS code 541620 and is managed through the State of Montana.

POSTED

DEADLINE

Best Management Practices (BMP) Installation and MaintenanceThis subcontract opportunity is for the installation and maintenance of Best Management Practices to support prime contractors on Hawaii Department of Land and Natural Resources facility projects. The selected provider will be responsible for supplying, installing, and removing erosion and sediment control measures, such as silt fences, straw wattles, and drain protection, in strict accordance with project environmental plans. The scope of work requires daily or weekly maintenance of these measures to ensure continuous environmental compliance throughout a 30-day construction period. Interested parties should note the response deadline of November 14, 2026, for this project categorized under NAICS code 541620.

Department of Land & Natural Resources

POSTED

DEADLINE

Environmental Consulting Services

Solicitation # 7686

The County of Merced is seeking proposals through a Request for Qualifications to establish a list of up to ten qualified consultants to provide planning and environmental consulting services. The primary objective is to secure professional support for processing development applications, with a heavy emphasis on CEQA and NEPA compliance. Key deliverables include the preparation of initial studies, exemptions, Negative and Mitigated Declarations, Environmental Impact Reports, and Environmental Impact Statements, as well as the creation of staff reports, ordinances, resolutions, and visual presentations for the Planning Commission and Board of Supervisors. The selection process is based on the most responsive response rather than the lowest cost, utilizing a scoring rubric that prioritizes project-specific experience at 40 percent, followed by proposed approach, organization and staffing, budget and fees, and project implementation. Qualified bidders must submit their proposals through the Merced County Purchasing portal by December 7, 2026, ensuring all mandatory components are included, such as a signature page signed in blue ink and a one-page cover letter. Successful consultants will be required to maintain significant insurance coverage, including Technology Professional Liability Errors and Omissions and Cyber Liability, both with minimum limits of 2 million dollars per occurrence. The contract allows for either fixed-fee or hourly-rate compensation, with payments issued within 30 days of receiving a proper invoice. All work products developed under the agreement remain the exclusive property of the County, and consultants must adhere to strict non-discrimination, ADA, and OSHA standards.

POSTED

DEADLINE

Environmental Site Selection and AssessmentThis subcontract opportunity for the Fulton County School System in Georgia involves providing specialized environmental site selection and assessment services for facility projects. The selected contractor will support prime contractors by conducting Phase I and Phase II Environmental Site Assessments, performing wetland delineations, and executing hazardous materials surveys. Technical requirements include the use of GIS mapping and PID meters to ensure accurate data collection and reporting. To qualify for this engagement, the contractor must employ Licensed Environmental Professionals or Professional Geologists. The primary deliverables consist of comprehensive ESA reports and detailed wetland maps. Interested parties should note the response deadline of December 8, 2026, for this project categorized under NAICS code 541620.

Fulton County School System

POSTED

DEADLINE

Biological Survey & Environmental MonitoringThis subcontract opportunity with the City of Mountain View involves providing specialized biological surveys and environmental monitoring services for public safety projects. The selected contractor will work under prime contractors to conduct biologist surveys and ensure the protection of nesting birds through mandatory 14-day monitoring windows. Key deliverables include the submission of comprehensive biological survey reports and the provision of ongoing compliance monitoring to meet environmental standards. The project is located in Mountain View, California, within the 94041 zip code, and falls under NAICS code 541620. Interested parties must submit their responses by the deadline of December 10, 2026. This engagement is critical for maintaining environmental regulatory compliance across the city's public safety infrastructure developments.

POSTED

DEADLINE

Consulting Services for the Development and Implementation of a Dry Weather Screening Program

Solicitation # 3062

York County is seeking a qualified consulting firm to develop and implement a Dry Weather Field Screening and Analytical Monitoring Program to comply with the South Carolina Department of Environmental Services NPDES SMS4 General Permit. The primary objective of this program is the detection, investigation, and elimination of non-stormwater discharges and illegal dumping within the County's Small Municipal Separate Storm Sewer System boundary. The scope of work includes developing a comprehensive system map of public and private outfalls, identifying priority areas for screening, conducting field inspections during dry weather conditions, assessing screening effectiveness, and establishing written procedures for tracing and eliminating illicit discharges. Key deliverables include a technical guidance manual and updated GIS data for the storm sewer system. The project is anticipated to take approximately 18 months, with the specific contract term to be negotiated through a mutually agreed-upon schedule. Proposals are due by December 10, 2026, and will be evaluated based on the merits of the proposal, costs, past performance, and personnel experience. The selection process involves a committee that scores technical criteria before opening and factoring in the cost proposal, with the potential for short-listed firms to provide oral and visual presentations. Award will be granted to the firm that best meets the needs and interests of York County. Contractors must adhere to strict procurement integrity guidelines, including a prohibition on communicating with County officials outside of the Procurement Officer. The agreement includes standard clauses regarding non-appropriation, records retention, and compliance with Title VI of the Civil Rights Act and Section 504 disability accommodations. Invoicing must be submitted monthly with detailed staff hours and rates, with payment terms set at 30 days from receipt. Offerors are required to submit a technical proposal via the OpenGov portal or physical delivery, including a mandatory signature page certifying their minority status and acceptance of all terms and conditions.

POSTED

DEADLINE

Federal Legislative Consulting & Lobbying ServicesThis subcontract for Federal Legislative Consulting and Lobbying Services involves providing strategic consulting and direct advocacy for prime contractors on federal legislative projects within Albemarle County, Virginia. The primary objective is to engage federal agencies and legislators to influence policy changes and secure direct federal appropriations. The selected provider must be registered as a federal lobbyist in compliance with the Lobbying Disclosure Act. This opportunity was posted on November 5, 2026, with a response deadline of December 4, 2026, falling under NAICS code 541620.

Albemarle County

POSTED

about 16 hours ago

DEADLINE

in 28 days

AI Contract Overview

The contract encompasses environmental compliance and monitoring activities related to stormwater management, erosion control inspections, and ongoing reporting during construction phases within the National Capital Region. The work requires consistent field inspections to ensure adherence to environmental regulations, proper implementation of best management practices for sediment and runoff control, and timely submission of compliance documentation to regulatory standards. All activities must be performed in alignment with federal environmental requirements and coordinated with construction schedules to mitigate ecological impacts and maintain regulatory compliance throughout the project lifecycle. The contract is classified as a subcontract under NAICS code 541620, which pertains to environmental consulting services, and is issued by the Government of Canada through the Courts Administration Service. Interested parties must submit responses by June 16, 2026, with opportunities open to qualified entities capable of delivering specialized environmental monitoring services in a federal construction context. The place of performance is confined to the National Capital Region, and the nature of the work demands experienced personnel familiar with Canadian environmental regulatory frameworks, on-site inspection protocols, and detailed reporting systems to verify compliance and document corrective actions as needed.