This Government Contract opportunity from California was posted on August 4, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Environmental Remediation and Monitoring

Closed

State & Local

Submission Closed09/01/2026, 09:00:00 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

New

SLED

Environmental & Biological ServicesThe Environmental and Biological Services subcontract is issued by the San Diego Association of Governments for projects located in San Diego, California. The selected provider will support prime contractors by performing critical environmental assessments and biological monitoring at construction sites. Key responsibilities include conducting biological surveys, archeological assessments, and industrial hygiene monitoring to ensure project compliance. The contractor is required to deliver comprehensive environmental compliance reports and detailed biological monitoring logs. This opportunity falls under NAICS code 541620 and has a response deadline of November 4, 2026.

SAN DIEGO ASSOCIATION OF GOVERNMENTS

POSTED

DEADLINE

Construction Management & Project AdministrationThe Construction Management and Project Administration subcontract for the San Diego Association of Governments involves providing project administration and field office engineering services for prime contractors on construction projects in San Diego. The selected provider will be responsible for managing project scheduling using Primavera P6 or MS Project, tracking payments and quantities, negotiating change orders, and assisting with contract dispute resolution. All work must be performed in strict accordance with the SANDAG Construction Manual. Key deliverables include the submission of project schedules, detailed payment reports, and comprehensive change order documentation. This opportunity is categorized under NAICS code 541620, with a response deadline of November 4, 2026.

SAN DIEGO ASSOCIATION OF GOVERNMENTS

POSTED

DEADLINE

Environmental Planning & Habitat Restoration SpecialistThe Orinda Union School District is seeking an Environmental Planning and Habitat Restoration Specialist for a subcontract role focused on nature area projects in Orinda, California. The selected specialist will support prime contractors by developing comprehensive plans for the preservation and restoration of native vegetation and wildlife habitats. Key responsibilities include performing ecological value assessments, creating restoration strategies, and delivering detailed habitat restoration plans alongside vegetation preservation specifications. This opportunity was posted on September 26, 2026, with a response deadline of October 9, 2026. The project falls under NAICS code 541620, emphasizing professional environmental planning and ecological management to ensure the protection of local biodiversity within the school district's designated nature areas.

Orinda Union School District

POSTED

DEADLINE

Certified Arborist / Tree Assessment ServicesThe Orinda Union School District is seeking a subcontracted Certified Arborist to provide health and safety assessments for existing trees within nature area projects. The selected professional will be responsible for conducting comprehensive tree inventories, performing hazard mitigation analyses, and evaluating overall tree health to ensure safety and preservation. Qualified candidates must hold ISA Certified Arborist credentials and are required to deliver a detailed tree assessment report and a formal hazard mitigation plan. This opportunity is located in Orinda, California, with a response deadline of October 9, 2026.

Orinda Union School District

POSTED

DEADLINE

Environmental Program Auditor / Gap AnalystThis subcontract for an Environmental Program Auditor / Gap Analyst involves performing program gap analysis and QA/QC reviews for prime contractors on Capital Regional District wastewater projects. The selected provider will be responsible for identifying monitoring deficiencies, reviewing data quality assurance measures, and evaluating programs to ensure they align with regulatory frameworks and First Nations interests. The primary deliverables for this engagement include a Program Gap Analysis Report and a set of QA/QC Recommendations. This opportunity is associated with the Province of British Columbia and the Capital Regional District, with a response deadline of December 18, 2026.

Capital Regional District

POSTED

DEADLINE

Human Health and Ecological Risk Assessment (HHERA) SpecialistThis subcontract opportunity is for a Human Health and Ecological Risk Assessment (HHERA) Specialist to support prime contractors on wastewater projects for the Capital Regional District within the Province of British Columbia. The selected specialist will be responsible for analyzing wastewater effluent and receiving environment endpoints to evaluate potential effects on the marine environment, utilizing toxicological databases and scientifically defensible risk modeling. The primary deliverable for this engagement is a comprehensive Human Health and Ecological Risk Assessment Report. Interested parties must submit their responses by the deadline of December 18, 2026, under NAICS code 541620.

Capital Regional District

POSTED

DEADLINE

EPRO2026-016 Wastewater and Marine Environment Program Comprehensive Review Consulting Services

Solicitation # 2026-016

The Capital Regional District (CRD) has issued Request for Proposals (EPRO2026-016) for consulting services to conduct a comprehensive review of the Wastewater and Marine Environment Program. This project focuses on evaluating the effects of treated effluent from the McLoughlin Point and Saanich Peninsula plants by compiling and interpreting monitoring datasets from the 2021-2025 period. Key deliverables include human health and ecological risk assessments, a program gap analysis, and recommendations regarding program scope, data quality assurance/control, and cost implications. The final report is intended for distribution to First Nations, as well as provincial and federal regulators. The contract is structured for an initial one-year term with options to extend for three additional one-year periods. Proposals are evaluated based on a 400-point scoring system, with significant weight placed on personnel qualifications and the proposed approach and methodology. Specifically, the Project Manager must possess at least five years of relevant experience. The CRD will award the contract to the proposal deemed most advantageous, noting that they are not obligated to select the lowest-priced bidder. The pricing model is based on actual hours billed up to a Maximum Upset Fee, with all rates provided in Canadian dollars. Interested proponents must submit separate electronic technical and financial proposals by the deadline of December 18, 2026, at 3:00 PM PCT. Selected vendors must adhere to specific contractual obligations, including compliance with the CUPE 1978 Collective Agreement regarding wages, WorkSafeBC regulations, and strict confidentiality and privacy protections.

Capital Regional District

POSTED

DEADLINE

Air Monitoring and Clearance TestingThe City of Saskatoon is seeking a subcontractor for air monitoring and clearance testing on building abatement projects. The selected provider will perform independent air sampling for asbestos and asbestos-containing materials based on specific risk levels, utilizing air sampling pumps and filters to verify the safety of hazardous and biohazardous work. The contractor is responsible for delivering formal written air clearance reports and verification documentation to the prime contractors. To qualify for this engagement, the provider must hold a Certified Industrial Hygienist certification or an equivalent environmental consultant credential. This opportunity is categorized under NAICS code 541620, with a response deadline of October 28, 2026.

POSTED

DEADLINE

Geotechnical and Soil Analysis ServicesThe District of Coldstream is seeking a subcontractor to provide geotechnical and soil analysis services for upcoming sewer projects. The selected provider will be responsible for performing soil borings and testing along proposed sewer routes using specialized drilling rigs and sampling equipment. These activities are essential for analyzing soil stability and groundwater levels to ensure the integrity of the infrastructure. The scope of work includes delivering comprehensive geotechnical reports and detailed soil analysis data to provide critical recommendations for bedding and backfill materials. To qualify for this subcontract, the service provider must employ a Professional Geotechnical Engineer (P.Eng). This opportunity is categorized under NAICS code 541620 and is managed through the Province of British Columbia. Interested parties must submit their responses by the deadline of October 22, 2026. The contract is designed to support prime contractors in meeting the technical requirements necessary for successful sewer route development and construction within the district.

District of Coldstream

POSTED

DEADLINE

ADEM Compliance Reporting and AdministrationThe ADEM Compliance Reporting and Administration subcontract provides essential administrative reporting services for prime contractors engaged in Gulf State Park projects. The primary scope of work involves logging and reporting fuel tank test results to the Alabama Department of Environmental Management to maintain strict adherence to state regulatory requirements. This role requires specialized expertise in ADEM regulatory frameworks to ensure that all official compliance logs and submitted reports are delivered accurately and in accordance with legal standards. This subcontracting opportunity is categorized under NAICS code 541620 and is managed through the Alabama state procurement system. The solicitation period is brief, with a posting date of September 25, 2026, and a response deadline of September 30, 2026. Interested parties must possess the technical knowledge necessary to navigate environmental compliance protocols to successfully fulfill the administrative and reporting obligations required for these specific park projects.

POSTED

DEADLINE

Water Management Technical & Engineering ServicesThis subcontract for Water Management Technical and Engineering Services involves providing technical and engineering oversight for Water Management Plans on Opportunity Home San Antonio projects. The selected provider will be responsible for conducting quarterly inspections and reviews to ensure full compliance with HUD Bulletin 909-23, OSHA regulations, and local health codes. The scope of work includes the use of water quality monitoring tools to mitigate waterborne pathogens and the delivery of quarterly reports verifying adherence to the established Water Management Plans. This opportunity is categorized under NAICS code 541620 and is managed by Opportunity Home San Antonio in Texas, with a response deadline of October 16, 2026.

Opportunity Home San Antonio

POSTED

DEADLINE

Green Loan Technical Reviewer/ConsultantThe Green Loan Technical Reviewer/Consultant is a subcontract opportunity with the Massachusetts Executive Office for Administration and Finance, based in Boston. The selected consultant will perform technical due diligence and eligibility verification for municipal clean energy projects, specifically reviewing project specifications for federal tax credit qualification and assessing technical viability. This role involves using energy modeling software and auditing tools to determine bridge financing needs and providing technical reports and recommendations necessary for loan approval. Qualified candidates must hold LEED or energy auditing certifications to meet the technical requirements of the contract. This opportunity falls under NAICS code 541620 and was posted on September 25, 2026, with a response deadline of October 9, 2026.

EOAS - Executive Office for Administration and Finance

POSTED

2 days ago

DEADLINE

in 12 days

AI Contract Overview

The contract titled Environmental Remediation and Monitoring requires comprehensive soil and water testing, contamination assessment, and ongoing compliance monitoring throughout the duration of construction activities in Hayward, California, specifically in the 94544 zip code. The work involves identifying environmental hazards, evaluating the extent of contamination, and ensuring all remediation efforts adhere to regulatory standards during development. The subcontract is governed under NAICS code 541620, reflecting its focus on environmental consulting services, and is issued by the City of Hayward under the California jurisdiction. All responses must be submitted by September 1, 2026, by 9:00 PM, with performance expected to align with local and state environmental regulations. The project demands technical expertise in environmental science and engineering, with continuous reporting and documentation to maintain compliance and support informed decision-making during construction.

General Info

Environmental remediation and monitoring in Hayward, CA, with strict regulatory compliance through construction.

Agency

California → City of Hayward

NAICS

541620 - Environmental Consulting Services

Place of Performance

Hayward, CA, 94544, USA

Set-Aside

NONE

Documents

This scope was carved out of 06950.

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

View the prime solicitation

Tennyson Park Streetlight Project

AI Contract Breakdown

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Timeline

PhaseClosed

PostedAug 4

subcontract

Response DeadlineSep 1

Deadline has passed

Submission Closed

09/01/2026, 09:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → City of Hayward

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → City of Hayward

Office AddressN/A

ContactsNo contact information available

Full Description

Soil and water testing, contamination assessment, and compliance monitoring during construction.

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