This Government Contract opportunity from California was posted on June 23, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Top

Environmental Site Assessment and Monitoring

Closed

State & Local

Submission Closed07/25/2026, 12:00:00 AM UTC

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

Csa 13- Alpine Meadows Leach Field Defensible Space Project Rfp For Environmental Services

Solicitation # 207619

The Shasta County Department of Public Works is soliciting proposals for environmental and cultural services to support the CSA 13- Alpine Meadows Leach Field Defensible Space Project. Located within the Whispering Woods subdivision on County-owned property in Redding, California, the project requires the creation of defensible space around an existing leach field. The selected consultant will be responsible for delivering a Natural Environment Study compliant with NEPA, CEQA, and HCD requirements, conducting biological assessments and field surveys, managing Section 7 consultations, and updating aquatic resource delineations. Additionally, the scope includes cultural resource evaluations and potential on-site monitoring during construction and maintenance activities. Proposals are due by October 21, 2026, and must be submitted electronically via bidnetdirect.com in two separate envelopes: one for the technical proposal and one for the cost proposal. The award process is based on a technical review and ranking system, with scoring weighted by experience with similar work (25%), staff quality (20%), familiarity with state and federal procedures (20%), and conformity with the County's standard personal services agreement (10%). Following the technical ranking, the County will negotiate costs with the top-ranked respondent to identify the best-qualified firm at a reasonable cost. Key personnel requirements include a Principal-in-Charge, an organizational chart, and detailed qualifications for all staff and subconsultants involved.

Shasta County Department of Public Works

POSTED

DEADLINE

2027-020 Stream Restoration and Environmental Professional Services

Solicitation # 2027-020

The County of Roanoke is soliciting proposals for an on-call contract to provide stream restoration and environmental professional services within Virginia and surrounding areas. This procurement follows the competitive negotiation process outlined in Va. Code § 2.2-4302.2(A)(4), where the county ranks qualified offerors based on professional qualifications, capacity, skill, and past performance rather than initial pricing. Consequently, offerors are prohibited from submitting binding hourly rates, man-hour estimates, or total costs during the initial proposal phase; these financial details and the final scope of services will be negotiated only with the highest-ranked offerors. The selection process emphasizes responsiveness, the absence of conflicts of interest, and the ability to deliver services in a timely manner. Successful consultants must provide various deliverables, including constructible original plan sheets with certification seals, AutoCAD drawings, and detailed project calculations. Payment is structured by project phase and is contingent upon the owner's approval and the submission of written progress reports. The final deadline for proposal submission was extended via addenda to October 6, 2026, with all submissions required to be made through eVA, mail, or hand delivery.

POSTED

DEADLINE

CRFQ-0313-DEP2700000004-2 | OER-WV Excavator Environmental Advisory Service

Solicitation # CRFQ-0313-DEP2700000004-2

The West Virginia state government is seeking an Environmental Advisory Service for the OER-WV Excavator project. This solicitation, identified as CRFQ-0313-DEP2700000004-2, is managed by the state agency in Charleston, West Virginia. Interested parties must submit their responses by the deadline of October 8, 2026, at 5:30 PM. The primary point of contact for this opportunity is Joseph E. Hager III, and further details can be accessed through the West Virginia Oasis portal.

POSTED

DEADLINE

HazMat Compliance and Safety Data Documentation

FLUID HANDLING DIVISION

POSTED

DEADLINE

Natural Resources & Environmental PlannerThis subcontract opportunity is for a Natural Resources and Environmental Planner to support prime contractors on City of Bentonville Parks and Recreation projects. The selected professional will be responsible for assessing environmental features to determine their potential for conservation and recreation, specifically focusing on waterways, greenways, and open spaces. This process involves utilizing ecological surveying and environmental impact assessment tools to evaluate the resilience and conservation value of these areas. The primary deliverable for this engagement is a comprehensive Natural Resources Assessment Report. Interested parties must submit their responses by October 15, 2026, in accordance with the solicitation posted on September 27, 2026. The project falls under NAICS code 541620 and is managed by the City of Bentonville in Arkansas.

POSTED

DEADLINE

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

3 days ago

DEADLINE

in 3 months

AI Contract Overview

The contract requires the performance of Phase I and Phase II environmental site assessments to identify potential contamination and hazardous materials at designated locations, with ongoing monitoring during construction activities to ensure compliance with environmental regulations. The work involves evaluating soil, groundwater, and building materials for the presence of pollutants, documenting findings, and implementing mitigation measures as needed to protect public health and the environment. The scope is focused on pre-construction evaluation and real-time surveillance throughout the construction phase to preemptively address hazardous substance exposure risks. This subcontract is issued under NAICS code 541620 for environmental consulting services and is managed by the California agency Health and Social Services. The solicitation was posted on June 23, 2026, with responses due by July 25, 2026. While specific project locations and contact details are not provided, the work is expected to occur within California under the jurisdiction of the state’s environmental and public health standards. The subcontract does not include a set-aside classification, making it open to all qualified providers, and the place of performance remains unspecified beyond the state boundary.