This Subcontract opportunity from Washington was posted on August 5, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Top

Environmental Compliance & Stormwater Remediation Consulting

Closed

State & Local

Submission Closed08/26/2026, 01:00:00 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

New

SLED

Purchase of Mitigation Credits to Offset Wetland Impacts for SR 64

Solicitation # DOT-ITB-26-1362-JS

The Florida Department of Transportation is soliciting bids for a 24-month term contract to purchase federal and state wetland mitigation bank credits or conservation bank credits on an as-needed basis. These credits are required to offset environmental impacts for the SR 64 (Manatee Ave) Anna Maria bridge replacement project, specifically from SR 789 to Perico Bay BLVD within the SFWMD Regulatory Sarasota Bay Subbasin. The anticipated needs include approximately 5.10 acres of Saltwater Forested and 0.55 acres of Saltwater Herbaceous impacts. Award selection will be based on the cost per credit and the availability of the required wetland types. To be eligible, credits must be acceptable to regulatory bodies including the SFWMD, FDEP, and USACE, and must align with the Uniform Mitigation Assessment Method or other functional assessment methods. Vendors must be registered in the MyFlorida MarketPlace system and provide a valid Mitigation Banking Instrument and a ledger from the USACE to certify credit availability. The contract requires compliance with various state and federal regulations, including the Buy America provisions, E-Verify, and the Drug-Free Workplace Program. Bidders must submit their pricing via the official bid sheet in PDF format to the D1 Procurement Office.

Florida Department of Transportation

POSTED

DEADLINE

Environmental Due Diligence TestingThis subcontract for the City of Houston involves providing environmental due diligence testing for buyers of city real estate assets. The primary objective is to identify potential contamination or hazardous materials through a comprehensive process that includes records reviews, site visits, and the sampling of soil and groundwater in accordance with ASTM standards. The final deliverable for these services is a Phase I Environmental Site Assessment Report. Qualified providers must hold Environmental Professional certification to perform the work under NAICS code 541620. The solicitation was posted on November 5, 2026, with a response deadline set for December 3, 2026.

POSTED

DEADLINE

Tree Inspection and Condition Survey ServicesThe University of Exeter is seeking a subcontractor to provide tree inspection and condition survey services across its property portfolio. The selected provider will be responsible for conducting systematic evaluations of existing tree stock to assess health and stability, primarily for the purpose of risk mitigation. These services must be performed using professional arboricultural assessment tools and GIS mapping software to ensure precise data collection and reporting. To qualify for this contract, the provider must hold an ISA Certified Arborist or LANTRA equivalent certification. The primary deliverables include comprehensive tree condition survey reports and the establishment of a planned inspection programme. Interested parties must submit their responses by November 19, 2026.

POSTED

DEADLINE

Solicitation # PO/2026/1272/VW

The University of Exeter is seeking quotations for tree survey services across its Exeter property portfolio under solicitation number PO/2026/1272/VW. The objective of this contract is to implement a planned programme of tree inspections and condition surveys to ensure the effective management of tree stock and adherence to health, safety, and environmental responsibilities. The estimated contract duration is approximately three years, running from December 3, 2026, to December 3, 2029, with an estimated total value of 45,000 GBP excluding VAT. The contract will be awarded based on a weighted evaluation consisting of 50 percent for scored technical requirements and 50 percent for the pricing element. Small and medium-sized enterprises are identified as particularly suitable for this opportunity. Interested bidders must submit their electronic proposals via the designated portal by the deadline of November 19, 2026, at 1:00pm. All inquiries and administration are managed by the University of Exeter Procurement Operations office located at Northcote House, Exeter.

POSTED

DEADLINE

Sanitary Sewer I&I Study SpecialistThis subcontract opportunity, managed by DAS Procurement for the State of Connecticut, seeks a Sanitary Sewer I&I Study Specialist to support prime contractors on municipal projects within the Town of Glastonbury. The selected specialist will be responsible for conducting a comprehensive technical study to identify and quantify inflow and infiltration. This scope of work involves performing detailed field investigations and analysis utilizing specialized tools such as flow meters, smoke testing equipment, CCTV inspection cameras, and dye testing to pinpoint structural failures and groundwater infiltration. To qualify for this role, the provider must employ a Professional Engineer or a certified wastewater specialist. The primary deliverable for this engagement is a detailed I&I Study Report. Interested parties should note that the response deadline is December 3, 2026, and the project falls under NAICS code 541620.

POSTED

DEADLINE

Environmental Site Assessment and RemediationThis subcontract for Environmental Site Assessment and Remediation supports prime contractors on projects for the County of Orange, OC Public Works, specifically within Santa Ana. The scope of work involves performing Phase I and II assessments and remediation services, which include sampling soil, soil-vapor, groundwater, and wastewater. Additionally, the contractor is responsible for conducting geophysical surveys, performing UST assessments, developing remedial action plans, and delivering final ESA reports and regulatory closure documentation. To qualify for this engagement, the contractor must hold a Professional Geologist or Professional Engineer license. The opportunity is categorized under NAICS code 541620, with a response deadline set for December 23, 2026.

County of Orange, OC Public Works

POSTED

DEADLINE

Hazardous Materials and Industrial HygieneThis subcontract for Hazardous Materials and Industrial Hygiene supports prime contractors on County of Orange, OC Public Works projects located in Santa Ana, California. The scope of work involves the identification, sampling, and monitoring of hazardous materials, specifically testing for asbestos, lead, mold, silica, and PCBs, as well as conducting indoor air quality assessments. Deliverables include comprehensive hazardous materials survey reports and detailed air quality monitoring logs. To qualify for this engagement, personnel must hold a Certified Industrial Hygienist (CIH) designation or an equivalent professional certification. The opportunity was posted on November 5, 2026, with a response deadline of December 23, 2026. The project falls under NAICS code 541620, focusing on environmental consulting and industrial hygiene services.

County of Orange, OC Public Works

POSTED

DEADLINE

VMT and GHG Reduction QuantifierThe VMT and GHG Reduction Quantifier is a subcontract opportunity issued by the Lake Area Planning Council in California. The selected contractor will be responsible for quantifying environmental impacts and traffic reductions for prime contractors, specifically focusing on calculating estimated Vehicle Miles Traveled reductions and Greenhouse Gas emissions offsets across local roadway networks and state highways. This work requires the use of specialized traffic modeling software and GHG emission calculators that adhere to EPA or Caltrans reporting standards to deliver detailed data reports. The project is based in Lakeport, California, and falls under NAICS code 541620. Interested parties must submit their responses by the deadline of November 21, 2026. This contract serves as a critical technical support role in measuring the sustainability and traffic mitigation success of regional planning projects.

Lake Area Planning Council

POSTED

DEADLINE

Technoeconomic Analysis (TEA) and Life Cycle Assessment (LCA) ServicesThis subcontract involves providing specialized economic and environmental impact analyses for prime contractors working on projects for the DARPA Biological Technologies Office. The scope of work focuses on conducting Technoeconomic Analysis to determine cost-viability and performing Life Cycle Assessments in accordance with ISO 14040 and 14044 standards. These assessments must be executed using industry-standard software such as SimaPro or GaBi. In addition to technical analyses, the contractor is responsible for developing comprehensive commercialization strategy plans. The primary deliverables for this engagement include detailed TEA reports, LCA reports, and strategic commercialization frameworks. This effort falls under NAICS code 541620 and supports the Department of Defense.

Defense Advanced Research Projects Agcy

POSTED

DEADLINE

HAZMAT Packaging and Documentation ServicesThis subcontract for HAZMAT Packaging and Documentation Services supports prime contractors on DLA Aviation projects through the Department of Defense. The selected provider will be responsible for identifying hazardous materials according to FED STD 313 and preparing Material Safety Data Sheets that comply with OSHA and FED STD 313 standards, as well as OSHA 29 CFR 1910.1200 requirements. The scope of work requires the use of certified HAZMAT packaging materials to ensure safe transit and the delivery of fully compliant documentation. To qualify, the contractor must hold a valid HAZMAT shipping certification. This opportunity is categorized under NAICS code 541620 and is associated with the Pa DLA Aviation facility in Philadelphia.

Pa DLA Aviation At Philadelphia

POSTED

DEADLINE

Landfill Gas and Groundwater Remediation EngineeringThis subcontract opportunity is for the design and implementation of landfill gas collection and groundwater remediation systems to support prime contractors on projects for the County of Fresno Department of Public Works and Planning. The selected provider will be responsible for developing Landfill Gas Collection and Control Systems, Evaluation Monitoring Programs in accordance with CCR Title 27, and Corrective Action Programs that comply with SJVAPCD rules and 40 CFR 258. Key deliverables include detailed design plans, remediation specifications, and comprehensive technical reports. Qualified candidates must hold a Professional Engineer license to perform the required services. The project is located in Fresno, California, and falls under NAICS code 541620. Interested parties must submit their responses by the deadline of December 4, 2026.

County of Fresno Department of Public Works and Planning

POSTED

DEADLINE

Clinical Trial Regulatory Support ServicesThe Clinical Trial Regulatory Support Services subcontract involves providing specialized regulatory guidance and submission support for prime contractors working on clinical trial projects for the Liverpool School of Tropical Medicine. The selected provider will be responsible for preparing and submitting essential regulatory documentation and maintaining active liaison with health authorities across the United Kingdom, Belgium, and Singapore. To successfully execute this contract, the provider must possess deep expertise in the regulations set forth by the EMA, MHRA, and HSA Singapore. Key deliverables include the successful filing of regulatory approvals and the provision of comprehensive compliance documentation. Interested parties must respond by November 30, 2026.

Liverpool School of Tropical Medicine

POSTED

about 9 hours ago

DEADLINE

in 25 days

AI Contract Overview

Community Transit is seeking a subcontractor for Environmental Compliance and Stormwater Remediation Consulting. The primary objective of this engagement is to lead a technical assessment of roofing materials to determine their contribution to stormwater pollution, with a specific focus on the leaching of copper and zinc. The selected consultant will be responsible for developing effective mitigation strategies to reduce pollution and ensuring that all measures align with Salmon-Safe certification standards. Interested parties must submit their responses by August 26, 2026.

General Info

Subcontractor needed for stormwater remediation and roofing material assessment by August 26, 2026.

Agency

Washington → Community Transit

NAICS

541620 - Environmental Consulting Services

Place of Performance

WA, USA

Set-Aside

NONE

Documents

This scope was carved out of 2026-107.

The full solicitation package (1 document), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Roof & Inventory Remediation Plan

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

PostedAug 5

subcontract

Response DeadlineAug 26

Deadline has passed

Submission Closed

08/26/2026, 01:00:00 PM PDT

Find active opportunities like this

Get full access to discover similar active contracts, track opportunities, and build proposals with AI assistance.

Organization & Contact Information

AgencyWashington → Community Transit

ContactsNo contacts available

OfficeN/A

Organization / AgencyWashington → Community Transit

Office AddressN/A

ContactsNo contact information available

Full Description

Lead technical assessment of roofing materials contributing to stormwater pollution, focusing on copper and zinc leaching. Develop mitigation strategies and ensure compliance with Salmon-Safe certification standards.