This Subcontract opportunity from Texas was posted on April 10, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Environmental Site Assessment and Remediation

Closed

State & Local

Submission Closed05/01/2026, 12:00:00 PM CDT

Contract Overview

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

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NAICS: 541620

New

International

Forestry Professional Oversight & CertificationThis subcontract opportunity with the BC Timber Sales Branch of the Province of British Columbia involves providing professional oversight and certification for prime contractors to ensure harvesting activities adhere to regulatory standards. The selected professional will be responsible for verifying field activities against the Forest Stewardship Plan utilizing mapping software, surveying tools, and GPS technology. A primary deliverable for this engagement is the provision of a signed Forest Professional Oversight and Certification Conformance Certificate. Qualified candidates must be registered under the Professional Governance Act to perform these services. The solicitation was posted on November 14, 2026, with a response deadline of December 11, 2026. The work is categorized under NAICS code 541620 and will be performed within Canada.

BC Timber Sales Branch

POSTED

DEADLINE

Environmental Consulting & Technical StudiesThis subcontract for Environmental Consulting and Technical Studies supports prime contractors on City of West Sacramento projects managed by the Capital Projects Construction agency. The selected provider will be responsible for performing comprehensive environmental reviews and technical site assessments, including site investigations to identify potential constraints. A primary focus of the work involves applying local environmental regulations specifically for public safety facilities to ensure all permitting requirements are met. Key deliverables for this engagement include the production of Existing Conditions Reports, formal environmental documentation, and detailed technical study reports. Interested parties should note that the response deadline for this opportunity is January 8, 2027, and the work falls under NAICS code 541620.

Capital Projects - Construction

POSTED

DEADLINE

Environmental Monitoring and GIS ReportingThis subcontract for Environmental Monitoring and GIS Reporting supports prime contractors on projects for the Regional District of East Kootenay in Canada. The selected provider will be responsible for technical monitoring and data analysis, specifically utilizing mosquito traps and sampling equipment to collect field results. Key deliverables include the generation of GIS data maps and the production of comprehensive end-of-season reports for local government review. Qualified candidates must demonstrate proficiency in Geographic Information Systems and adhere to established environmental sampling standards. The solicitation was posted on November 13, 2026, with a response deadline of December 3, 2026. This opportunity falls under NAICS code 541620 and is managed through the Province of British Columbia.

Regional District of East Kootenay

POSTED

DEADLINE

Natural Environment, Water Resources and Hazards Mapping and Policy Development for the New Official Plan

Solicitation # 2026-RFP-COT-14

The City of Thorold is seeking proposals from qualified professional consulting firms to review and update mapping and policies related to the natural environment, water resources, and natural and human-made hazards for its new Official Plan. The scope of work involves a comprehensive background review of existing data and studies to refine hazard features and identify ecological linkages. Key deliverables include updated GIS files and documentation for Schedules C1, C2, and C4, as well as a Directions Report containing findings, recommendations, and draft policy objectives and implementation strategies. This project will primarily utilize desktop analysis and existing information, though additional technical investigations may be required. Interested proponents must submit their proposals by the deadline of December 17, 2026, in accordance with the requirements outlined in solicitation 2026-RFP-COT-14.

POSTED

DEADLINE

Needs Assessment & Evaluation FrameworkThis subcontract opportunity with the Gwinnett County Government in Georgia focuses on providing specialized needs assessment and evaluation framework services for transportation planning projects. The selected contractor will support prime contractors by developing project prioritization frameworks and conducting both Current and Planning Horizon Needs Assessments. Key responsibilities include creating trade-off analysis evaluation frameworks and producing all necessary supporting maps, tables, and text to document findings. The primary deliverables for this engagement are the comprehensive evaluation framework documentation and the Final Current and Planning Horizon Needs Assessment Report. This project falls under NAICS code 541620. Interested parties should note the response deadline of December 16, 2026, for this specific government-related transportation initiative.

Gwinnett County Government

POSTED

DEADLINE

Stream Mitigation Credit ProviderThis subcontract agreement establishes a partnership for the provision of 450 stream mitigation credits to support prime contractors working on Loudoun County projects, with a specific focus on the Lightridge Park development. The provider is responsible for delivering these credits from a mitigation bank and must submit a current credit ledger along with a Primary Service Area map. The formalization of this arrangement requires the execution of an Agreement for Credit Purchase and Sale. To ensure regulatory compliance, the transfer of credits is subject to approval from the Virginia Department of Environmental Quality and the U.S. Army Corps of Engineers. The contract falls under NAICS code 541620 and is managed by Loudoun County, Virginia, with a response deadline set for December 15, 2026.

POSTED

DEADLINE

Purchase of Stream Mitigation Credits for Lightridge Park, RFQ 719029

Solicitation # RFQ 719029

Loudoun County, Virginia, is soliciting bids under RFQ 719029 for the purchase of an estimated 450 stream mitigation credits to provide compensatory mitigation for stream impacts associated with the construction of Lightridge Park. To be eligible, bidders must be owners or authorized representatives of mitigation banks approved by the U.S. Army Corps of Engineers (USACE) and the Virginia Department of Environmental Quality (DEQ). Credits must be calculated using the Unified Stream Methodology (USM) or Stream Condition Units (SCUs) and must be released and available for sale at the time of bid opening. Furthermore, the bank's approved service area must include the Upper Bull Run watershed, specifically Hydrologic Unit Code (HUC) 020700100701. The final quantity of credits will be determined by the requirements of USACE State Program General Permit No. NAO-2026-01685 and DEQ Virginia Water Protection Permit No. WP4-26-1792. The contract will be awarded to the lowest responsive and responsible bidders based on unit cost, with the County reserving the right to award multiple contracts if a single bidder cannot provide the full quantity of credits. Bids must be submitted by December 15, 2026, and must include a W-9 form and Proof of Authority to Transact Business in Virginia. Required submissions include one physical hard copy and one electronic PDF copy on a USB flash drive. Upon award, the contractor must provide a written letter of credit availability and an executed purchase agreement within seven calendar days of the purchase order, followed by a Bill of Sale and verification of conveyance to USACE and DEQ within ten calendar days of payment.

POSTED

DEADLINE

Environmental Protection and Silt ControlThis subcontract for Environmental Protection and Silt Control involves providing environmental mitigation services for prime contractors working on County of Renfrew bridge projects at the Madawaska River in Canada. The scope of work includes the installation of turbidity curtains and silt fences, as well as the continuous monitoring of water quality through the use of specialized water sampling equipment. The selected provider is responsible for delivering a comprehensive environmental protection system and submitting detailed compliance reports. To be eligible, the contractor must hold the necessary environmental compliance certifications. The response deadline for this opportunity is December 3, 2026.

POSTED

DEADLINE

SWPPP Implementation & MonitoringThis subcontract for SWPPP Implementation and Monitoring involves providing comprehensive Storm Water Pollution Prevention Plan setup and monitoring services for prime contractors on public works projects within the City and County of Sacramento. The scope of work includes the physical installation of critical erosion and sediment control measures, such as silt fences, wattles, and storm drain protectors, alongside the delivery of necessary compliance reporting to ensure a fully compliant site. Qualified providers must hold an environmental compliance certification to perform these services under NAICS code 541620. The solicitation was posted on November 13, 2026, with a response deadline of December 10, 2026. The primary objective of the contract is to maintain active SWPPP measures that meet all regulatory standards for the Public Works agency in California.

POSTED

DEADLINE

Indigenous-led Engagement Strategy & Forest Health Assessment

Solicitation # RFI26-167

The City of Kitchener has issued Request for Information RFI26-167 to gather market intelligence regarding an Indigenous-led Engagement Strategy and Forest Health Assessment. This sources-sought initiative is designed to help the City evaluate available marketplace capabilities to inform its future purchasing options and define specific project requirements for these environmental and community-focused goals. Interested parties must submit their responses by the deadline of November 30, 2026, at 6:00 PM. This process is intended for information gathering purposes only and will assist the City of Kitchener in determining the most effective approach for implementing its engagement and forest health strategies within Canada.

POSTED

DEADLINE

GNSS Vulnerability and OT Systems ResearchThis subcontract with the Government of Canada focuses on conducting technical research regarding the Canadian energy sector's reliance on Global Navigation Satellite Systems (GNSS) and the associated vulnerabilities of critical operational technology systems. Working for prime contractors on PSPC Defence Sciences Division projects, the selected provider will analyze Transmission System Operators and ancillary services to develop a comprehensive classification system for GNSS-dependent critical infrastructure. The project requires specialized expertise in GNSS, operational technology, and energy infrastructure architectures. The primary objective is to identify systemic weaknesses and deliver a detailed synthesis of findings for a final report. Interested parties must respond by December 14, 2026, for this Canada-based performance engagement categorized under NAICS code 541620.

Government of Canada / Gouvernement du Canada

POSTED

DEADLINE

CDBG Environmental Review ServicesThis subcontract for CDBG Environmental Review Services involves performing site-specific environmental reviews for prime contractors on City of Lauderdale Lakes CDBG projects. The primary objective is to ensure full compliance with federal regulations, specifically the 24 CFR Part 58 Environmental Review Process. The selected provider will be responsible for conducting Tier II reviews, preparing all necessary approved forms and consultations, and utilizing GIS mapping tools to deliver completed and approved Environmental Review property files. Managed by the Community Development agency in Florida, this opportunity falls under NAICS code 541620. The solicitation was posted on November 13, 2026, with a response deadline of December 11, 2026, at 3:00 PM. Interested parties can find further details through the provided OpenGov procurement portal.

Community Development

POSTED

1 day ago

DEADLINE

in 26 days

AI Contract Overview

The Finance Department of Texas is seeking a subcontractor to perform Phase I and Phase II Environmental Site Assessments and manage any necessary remediation efforts. This project is required because the subject property is being sold in as-is condition, necessitating a thorough environmental evaluation to identify and mitigate potential contamination. Interested parties must submit their responses by May 1, 2026. The contract falls under NAICS code 541620 for environmental consulting services and was officially posted on April 10, 2026.

General Info

Agency

Texas → Finance Department

NAICS

541620 - Environmental Consulting Services

Place of Performance

TX, USA

Set-Aside

NONE

Documents

This scope was carved out of 2026-PCHD-RFP1.

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

View the prime solicitation

SEALED PROPOSAL FOR SALE OF REAL PROPERTY FOR 1410 VINE ST, WEATHERFORD TEXAS

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Timeline

PhaseClosed

PostedApr 10

subcontract

Response DeadlineMay 1

Deadline has passed

Submission Closed

05/01/2026, 12:00:00 PM CDT

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Organization & Contact Information

AgencyTexas → Finance Department

ContactsNo contacts available

OfficeN/A

Organization / AgencyTexas → Finance Department

Office AddressN/A

ContactsNo contact information available

Full Description

Conduct Phase I/II Environmental Site Assessments (ESA) and any required remediation due to the property being sold 'as is'.

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Environmental Site Assessment and Remediation

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