This Subcontract opportunity from California was posted on June 9, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Hazardous Waste Characterization and Packaging

Closed

State & Local

Submission Closed07/08/2026, 03:00:00 PM PDT

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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Phase I/II Environmental Site Assessment (ESA)This subcontract involves performing Phase I and II Environmental Site Assessments for private purchasers of real estate assets owned by Ivy Tech Community College of Indiana. The selected provider will be responsible for conducting comprehensive due diligence inspections, which include performing site visits, reviewing historical records, and executing soil and water sampling to detect any hazardous materials or potential contamination. The primary deliverable for this engagement is a detailed Environmental Site Assessment Report. The opportunity is categorized under NAICS code 541620 and was posted on November 6, 2026. Interested parties must submit their responses by the deadline of January 5, 2027. This project ensures that real estate transactions are supported by thorough environmental evaluations to identify and mitigate potential risks associated with the properties.

Ivy Tech Community College of Indiana

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DEADLINE

Emerging Contaminants in Small or Disadvantaged Communities Grant (EC-SDC)

Solicitation # https://dep.nj.gov/grantandloanprograms/ecsdc/

The Emerging Contaminants in Small or Disadvantaged Communities Grant (EC-SDC) is a state-level funding opportunity provided by the New Jersey Department of Environmental Protection. Categorized under Environment by the New Jersey Grants Management Office, this program is specifically designed to address emerging contaminants within small or disadvantaged communities across the state. Applications for this grant are accepted on a rolling basis, meaning there is no fixed closing date for submissions. Interested parties can find comprehensive program details and application guidelines through the official NJ Department of Environmental Protection website.

NJ Department of Environmental Protection

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WorkClean: Diesel Modernization Program

Solicitation # https://dep.nj.gov/grantandloanprograms/workclean-diesel-modernization-program/

The WorkClean: Diesel Modernization Program is a state grant opportunity administered by the New Jersey Department of Environmental Protection under the environment category. This initiative is designed to support diesel modernization efforts within the state of New Jersey. Applications for this program are accepted on a rolling basis, meaning there is no fixed closing date for submissions. Interested parties can find full program details and application instructions through the official New Jersey Department of Environmental Protection website.

NJ Department of Environmental Protection

POSTED

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Natural Climate Solutions Grant Program Round 2

Solicitation # https://dep.nj.gov/wp-content/uploads/climatechange/ncs_r2_nofa.pdf

The Natural Climate Solutions Grant Program Round 2 is a state grant opportunity administered by the New Jersey Department of Environmental Protection (NJDEP) to fortify natural carbon sinks through blue and green carbon sequestration projects. With a total funding pool of 30 million dollars, the program is split equally between blue carbon projects focusing on coastal ecosystems and green carbon projects focusing on terrestrial forest restoration. Individual awards range from a minimum of 250,000 dollars to a maximum of 5 million dollars, with project durations typically spanning three to five years. Applications must be submitted via the NDEP SAGE system by the deadline of December 31, 2026. Funding is awarded on a first-come, first-serve basis to applicants who meet a minimum required score threshold. Eligible costs include personnel, subcontractors, consultants, supplies, and equipment not exceeding 10,000 dollars per unit, with indirect costs capped at 15 percent of Modified Total Direct Cost. Grantees are required to submit quarterly progress and financial reports, annual reports by January 31, and a final report within 90 days of project completion to receive the final 5 percent of the grant. Additionally, a final Monitoring and Adaptive Management Plan and a maintenance plan must be submitted within 18 months of the work period start date. Failure to comply with reporting requirements may result in the suspension of funding or a requirement to return grant monies.

NJ Department of Environmental Protection

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Technical Assistance Grants

Solicitation # https://dep.nj.gov/grantandloanprograms/technical-assistance-grants/

The Technical Assistance Grants program is a state-level funding opportunity provided by the New Jersey Department of Environmental Protection. Categorized under environment, this solicitation is designed to provide technical support and resources through the state government to eligible applicants. Applications for this program are accepted on a rolling basis, meaning there is no fixed closing date for submissions. Interested parties can find full program details and application instructions via the official New Jersey Department of Environmental Protection website.

NJ Department of Environmental Protection

POSTED

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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

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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

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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

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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

about 19 hours ago

DEADLINE

in 7 days

AI Contract Overview

This contract involves the identification, labeling, and compliant packaging of hazardous waste materials at facilities managed by the California Department of Water Resources (DWR) prior to their transportation. The scope ensures that all hazardous waste handled at these locations meets regulatory standards for characterization and packaging, thereby maintaining safety and compliance throughout the waste management process. The contract is categorized under NAICS code 541620, which pertains to environmental consulting services, indicating a focus on technical expertise in hazardous waste management. The solicitation was posted on June 9, 2026, and responses are due by July 8, 2026. This opportunity is structured as a subcontract, though details on any set-aside status or specific vendor types are not provided. While the exact sites of performance are unspecified, the contract is tied to the California region under the oversight of the DWR. Interested parties can access additional information and submit responses through the California procurement portal provided in the contract details.