This Government Contract opportunity from California was posted on August 25, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Environmental & Water Pollution Control

Closed

State & Local

Submission Closed09/16/2026, 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

Federal

Environmental Review and Permitting Support

Fws Contracting Activity

POSTED

DEADLINE

CEQA Compliance Specialist

POSTED

DEADLINE

SWPPP Implementation and MaintenanceThis subcontract opportunity with Cleary Construction, Inc. focuses on the implementation and maintenance of the Stormwater Pollution Prevention Plan for municipal sewer improvement projects. The selected contractor will be responsible for installing and managing critical erosion control measures, such as straw wattles, silt fences, and erosion control blankets, to ensure full compliance with State and EPA environmental regulations. The primary objective is to deliver a site that maintains active and effective erosion and sediment controls throughout the project duration. This is an SBA set-aside opportunity open to various small business certifications, including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested parties must submit their responses by December 4, 2026. The work falls under NAICS code 541620 and is associated with the Lynchburg VA CSO 70 sewer improvements.

Cleary Construction, Inc. Cleary Construction, Inc

POSTED

DEADLINE

ENVIRONMENTAL TRUST Comprehensive E mergency Management Plan Update & Environmental Engineering and Consulting Services

Solicitation # Environmental-Trust_RFP_FY-2027_Emergency-Plan-Update-Environmental-Services_10202026.pdf

The Confederated Tribes of the Colville Reservation is seeking professional services for a combined maximum budget of $289,497, divided into two primary functional areas. The first area, Emergency Management Planning, is capped at $150,000 and involves updating the 2014 Comprehensive Emergency Management Plan, developing Emergency Support Functions, creating hazard-specific annexes, and establishing the Tribes' first Continuity of Operations Plan and Tribal Threat and Hazard Identification and Risk Assessment. This scope also includes the development of an all-hazards tabletop exercise package and the facilitation of coordination workshops to integrate these planning components. The second area, Environmental Engineering and Consulting Services, is capped at $139,497 and focuses on technical field operations in Nespelem, Washington. Key tasks include biannual groundwater monitoring and testing at the Nespelem Post and Pole site, as well as the characterization, removal, and lawful disposal of hazardous materials at the Nespelem Recycle Center. The contractor must adhere to strict quality standards, including the use of approved Quality Assurance Project Plans and Health and Safety Plans, and provide detailed verification reports. Mandatory monthly progress reports are required for all activities, and all project communication costs must be integrated into the respective task budgets. TERO fees are handled separately by the Tribal Employment Rights Office and are not included in the scope of work budget.

Confederated Tribes of the Colville Reservation

POSTED

DEADLINE

Erosion and Sediment Control ServicesThis subcontract for Erosion and Sediment Control Services supports prime contractors on City of Pueblo Public Works projects in Colorado. The selected provider is responsible for the development and execution of a comprehensive Erosion and Sediment Control Plan, which includes the installation of essential infrastructure such as silt fences and wattles. The primary objective is to deliver a fully compliant sediment control system that adheres to all applicable state and federal permit regulations. The opportunity is categorized under NAICS code 541620 and was posted on October 27, 2026. Interested parties must submit their responses by the deadline of November 17, 2026, at 5:00 PM. This project ensures that public works construction activities maintain environmental standards and regulatory compliance through professional sediment management.

POSTED

DEADLINE

Environmental Monitoring & MitigationThis subcontract for Environmental Monitoring and Mitigation supports prime contractors on BC Timber Sales bridge projects within Canada. The primary objective is to provide comprehensive environmental oversight, which includes monitoring sediment transport, preventing fluid leaks in water bodies, and managing the Environmental Management System in accordance with FS11 standards. The selected provider must ensure strict compliance with regulations set by Fisheries and Oceans Canada and the BC Ministry of Environment. Key deliverables include the submission of EMS incident reports and detailed compliance documentation to verify that all environmental safeguards are maintained throughout the project duration.

BC Timber Sales Branch

POSTED

DEADLINE

Watercourse Risk Assessment Framework ConsultantThe City of Hamilton is seeking a consultant for a subcontract to develop a risk-based condition assessment and prioritization framework for prime contractors working on watercourse projects. The primary objective is to create prioritization logic that ranks rehabilitation projects based on environmental mitigation and public safety, ensuring all processes align with ISO 31000:2018 Risk Management Guidelines. The final deliverables for this engagement include a completed prioritization framework and a set of risk evaluation tools. Qualified candidates must possess P.Eng or P.Geo professional designations and have access to specialized risk modeling software. This opportunity was posted on October 27, 2026, with a response deadline of December 14, 2026. The project will be performed in Canada under NAICS code 541620.

POSTED

DEADLINE

CEQA & Environmental Review SpecialistThis subcontract opportunity is for a CEQA and Environmental Review Specialist to support prime contractors on housing projects within Shasta County. The selected provider will be responsible for conducting comprehensive environmental reviews in strict compliance with the California Environmental Quality Act, identifying potential infrastructure and environmental constraints to housing development, and preparing all necessary impact reporting and documentation. The project requires a high level of expertise in CEQA regulations to ensure all delivered environmental review documents meet legal standards. Interested parties must submit their responses by December 4, 2026, for this engagement managed through the California Purchasing Department under NAICS code 541620.

Purchasing Department

POSTED

DEADLINE

Consulting Services for the Preparation of the 7th Cycle Shasta County Housing Element Update and Mandated General Plan Amendments

Solicitation # 27-13

Shasta County, California, has issued solicitation 27-13 for professional consulting services to prepare the 7th Cycle Housing Element Update and associated mandated General Plan Amendments. The project focuses on the planning period from April 15, 2028, to April 15, 2036, and requires the consultant to manage a comprehensive participation program, assess housing needs, and conduct environmental reviews in compliance with the California Environmental Quality Act (CEQA) and state housing laws. The contract is intended for an initial term of two years, with a possible one-year extension. The selection process is based on the best interest of the County rather than the lowest cost, with the highest-ranked respondent entering negotiations. Applicants must certify compliance with all specifications, maintain a price hold for 90 days after the December 4, 2026, deadline, and warrant that they are not debarred via SAM.gov. Required certifications include business status disclosures and, for non-profits, documentation regarding independent directors and financial forms. Contractual obligations include strict adherence to non-discrimination laws, the Americans with Disabilities Act, and WCAG standards for any created websites. Insurance requirements may include sexual abuse or molestation coverage and hangarkeepers liability. Payment is processed electronically via ACH, county credit card, or virtual credit card within 30 days of receiving an approved itemized invoice. The consultant must also comply with HIPAA regulations through a Business Associate Agreement and maintain all necessary professional licenses and permits.

Purchasing Department

POSTED

DEADLINE

Environmental Challenge Assessment & PermittingThis subcontract, titled Environmental Challenge Assessment and Permitting, involves performing critical environmental assessments to identify and mitigate potential challenges for prime contractors working on Northwest Hills Council of Governments trail projects. The selected provider will be responsible for conducting site assessments and ecological surveys using specialized sampling equipment and tools to ensure full regulatory compliance. Key deliverables include the production of detailed impact reports, comprehensive mitigation plans, and the preparation of necessary permit applications. Managed by DAS Procurement for the state of Connecticut under NAICS code 541620, the contract requires deep expertise in environmental impact analysis and regulatory standards. The solicitation was posted on October 27, 2026, with a response deadline set for November 30, 2026. Interested parties can find further information through the CTSource Bid Board.

POSTED

DEADLINE

Climate and Environmental Data SpecialistThis subcontract opportunity is for a Climate and Environmental Data Specialist to support prime contractors on projects for the South East Wales Corporate Joint Committee. The selected specialist will be responsible for the technical analysis and synthesis of carbon, climate, and environmental data sets, with a specific focus on sourcing Wales-specific data and analyzing environmental vulnerability indicators. Key deliverables include a technical data requirements document and a comprehensive environmental vulnerability framework to define scientific parameters for climate adaptation. Qualified candidates must possess deep expertise in climate science and have access to professional climate modeling software. The contract is categorized under NAICS code 541620. Interested parties should note that the response deadline for this opportunity is November 13, 2026.

South East Wales Corporate Joint Committee

POSTED

DEADLINE

Debris Monitoring Services

Solicitation # 2026-281

Collin County, Texas, is soliciting proposals for a stand-by contract for debris monitoring services to be utilized on an as-needed basis. The primary objective is to secure qualified firms to provide disaster recovery technical program management assistance and constant observation of debris removal operations. This ensures that all activities, documentation, and expenses strictly comply with FEMA Public Assistance Program guidelines, 2 CFR 200, and other federal or state relief program regulations to maximize cost recovery eligibility. The contract features an initial one-year term with five optional one-year renewals. The selected contractor must provide a comprehensive range of personnel, including project inspectors, grant management consultants, and safety managers, with pricing based on hourly unit rates. All submitted prices must be all-inclusive of insurance, taxes, overhead, and profit, with no separate payments for mobilization or demobilization. Any additional charges must be reasonable, necessary, and structured as direct reimbursable expenses adhering to FEMA policies. Award decisions will be based on a best-evaluated offer process considering knowledge of TCEQ regulations, organizational capacity, pricing, and references. Contractors are required to maintain rigorous documentation, including load tickets and daily logs, for at least seven years after project closeout and must resolve eligibility or safety issues within 24 hours. Mandatory requirements include the provision of performance and payment bonds within six days of a Notice to Proceed, compliance with the Davis-Bacon Act for applicable construction contracts, and adherence to the Buy America Act. Proposals must be submitted by October 29, 2026, and must include a Conflict of Interest Questionnaire and certification that the firm is not debarred from federal assistance programs.

Fire Marshal

POSTED

about 23 hours ago

DEADLINE

in 1 day

AI Contract Overview

This subcontract focuses on the development and implementation of water pollution and environmental stewardship programs for prime contractors working on County of Riverside Transportation Department projects in Thermal, California. The selected provider is responsible for preparing Water Pollution Control Programs and managing site runoff in strict accordance with Caltrans Section 17 and Section 19 requirements to ensure compliant site management. The opportunity is categorized under NAICS code 541620 and is associated with the County of Riverside Transportation Department in California. Interested parties must submit their responses by the deadline of September 16, 2026, for performance in the Riverside area.

General Info

Water pollution and environmental stewardship programs for Riverside County transportation projects by September 2026.

Agency

California → County of Riverside Transportation Department

NAICS

541620 - Environmental Consulting Services

Place of Performance

Riverside, CA, 92501, USA

Set-Aside

NONE

Documents

This scope was carved out of Z977143.

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

View the prime solicitation

Parking Shade Structure Improvements At The Thermal Maintenance Yard

AI Contract Breakdown

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Timeline

PhaseClosed

PostedAug 25

subcontract

Response DeadlineSep 16

Deadline has passed

Submission Closed

09/16/2026, 09:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → County of Riverside Transportation Department

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → County of Riverside Transportation Department

Office AddressN/A

ContactsNo contact information available

Full Description

Develops and implements water pollution and environmental stewardship programs for prime contractors on County of Riverside Transportation Department projects in Thermal, CA. Prepares Water Pollution Control Programs and manages site runoff per Caltrans Section 17 and Section 19. Delivers an approved Water Pollution Control Program and compliant site management.

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