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

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Pollutant Load Modeling

Closed

State & Local

Submission Closed05/25/2026, 07:00:00 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

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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 Services

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 Specialist

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 provide disaster recovery technical program management assistance on an as-needed basis. The primary objective is to ensure that all debris removal operations from public rights-of-way, private property, and other designated areas are documented in strict compliance with FEMA Public Assistance Program guidelines, 2 CFR 200, and other federal or state relief program regulations to maximize cost recovery. The contract features an initial one-year term with five optional one-year renewals. The scope of work includes real-time processing of load tickets via an automated tracking system, submission of daily operational and safety reports, and the validation of contractor invoices. All project documentation must be retained for at least seven years. The contract will be awarded to the responsible contractor offering the best evaluated offer through a multi-phase process involving a compliance review, a detailed proposal assessment, and optional demonstrations. Pricing is based on hourly rates for various specialized positions, such as project inspectors and grant management consultants. Per updated terms, all rates must be all-inclusive of insurance, taxes, overhead, and profit, with no separate payments for mobilization or demobilization. Additional charges must be structured as direct reimbursable expenses adhering to federal FEMA policies. Successful proposers may be required to provide performance and payment bonds for 100 percent of the contract total and must certify compliance with the Buy America Act, Davis-Bacon Act, and various federal labor and safety standards.

POSTED

DEADLINE

Ecological Restoration Preliminary Study Services

Department of Fish and Game

POSTED

DEADLINE

Environmental Consulting and TestingThis subcontract for Environmental Consulting and Testing supports prime contractors on Architecture and Engineering projects for the Glendale Unified School District in Glendale, California. The scope of work involves performing comprehensive site assessments and hazardous material testing, specifically focusing on asbestos and lead-based paint surveys, soil contamination testing, and Phase I and II Environmental Site Assessments. The selected provider is responsible for delivering detailed environmental assessment reports and providing professional remediation recommendations. Interested parties should note that the response deadline for this opportunity is November 20, 2026.

GLENDALE UNIFIED SCHOOL DISTRICT

POSTED

DEADLINE

SD Multi-Hazard Mitigation Enhanced Plan Update

Solicitation # 26RFP20017

The South Dakota Department of Public Safety, Office of Emergency Management, issued solicitation 26RFP20017 on October 5, 2026, seeking a qualified consultant to provide professional services for the update of the Enhanced State Hazard Mitigation Plan. The project will be performed within the state of South Dakota, and any resulting contract award is strictly conditioned upon the receipt of federal funds. The state will not award contracts to any entity that is in arrears on obligations to the State of South Dakota or is deemed irresponsible or unreliable. Proposals must be submitted by November 16, 2026, at 5:00pm CT. Submissions must not be sent through ESM Sourcing; instead, they must be delivered as three signed originals and one digital identical copy in sealed envelopes. Envelopes must be marked with the RFP number and title and addressed to Jim Poppen at the Department of Public Safety in Pierre, South Dakota. All proposals require an ink signature from an authorized officer of the responding firm.

South Dakota State Government

POSTED

about 22 hours ago

DEADLINE

in 19 days

AI Contract Overview

The contract seeks the development of hydrologic and water quality models to estimate pollutant loads such as sediment and nutrients in aquatic systems, utilizing established environmental modeling tools like EPA SWMM and HSPF. The work involves creating accurate simulations to assess the movement and impact of pollutants, supporting water resource management and regulatory compliance efforts. The project is structured as a subcontract under NAICS code 541620, indicating it falls within environmental consulting and related services, with performance expected within the jurisdiction of South Carolina under the Conservation agency. Responses to this solicitation must be submitted by May 25, 2026, at 7:00 PM Eastern Time, with the opportunity posted on April 23, 2026. No specific set-aside criteria or point of contact are provided, and details regarding the exact location of performance or agency office address are not specified. The work is tied to environmental monitoring objectives in South Carolina, and successful bidders will be responsible for delivering robust, defensible models that can inform conservation strategies and water quality improvement initiatives.

General Info

Develop hydrologic and water quality models estimating sediment and nutrient pollutant loads for South Carolina conservation.

Agency

South Carolina → Conservation

NAICS

541620 - Environmental Consulting Services

Place of Performance

SC, USA

Set-Aside

NONE

Documents

This scope was carved out of RC-796-P-26.

The full solicitation package (5 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Update to Crane Creek Watershed Management Plan

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Timeline

PhaseClosed

PostedApr 23

subcontract

Response DeadlineMay 25

Deadline has passed

Submission Closed

05/25/2026, 07:00:00 PM UTC

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Organization & Contact Information

AgencySouth Carolina → Conservation

ContactsNo contacts available

OfficeN/A

Organization / AgencySouth Carolina → Conservation

Office AddressN/A

ContactsNo contact information available

Full Description

Develop hydrologic and water quality models to estimate pollutant loads (e.g., sediment, nutrients) using tools like EPA SWMM and HSPF.

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