This Subcontract opportunity from Washington was posted on May 29, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Erosion and Water Pollution Control

Closed

State & Local

Submission Closed06/16/2026, 11:00:00 AM PDT

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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DEADLINE

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Gwinnett County Government

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DEADLINE

Stream Mitigation Credit ProviderThis subcontract agreement establishes a partnership for the provision of 450 stream mitigation credits to support prime contractors working on Loudoun County projects, with a specific focus on the Lightridge Park development. The provider is responsible for delivering these credits from a mitigation bank and must submit a current credit ledger along with a Primary Service Area map. The formalization of this arrangement requires the execution of an Agreement for Credit Purchase and Sale. To ensure regulatory compliance, the transfer of credits is subject to approval from the Virginia Department of Environmental Quality and the U.S. Army Corps of Engineers. The contract falls under NAICS code 541620 and is managed by Loudoun County, Virginia, with a response deadline set for December 15, 2026.

POSTED

DEADLINE

Purchase of Stream Mitigation Credits for Lightridge Park, RFQ 719029

Solicitation # RFQ 719029

Loudoun County, Virginia, is soliciting bids under RFQ 719029 for the purchase of an estimated 450 stream mitigation credits to provide compensatory mitigation for stream impacts associated with the construction of Lightridge Park. To be eligible, bidders must be owners or authorized representatives of mitigation banks approved by the U.S. Army Corps of Engineers (USACE) and the Virginia Department of Environmental Quality (DEQ). Credits must be calculated using the Unified Stream Methodology (USM) or Stream Condition Units (SCUs) and must be released and available for sale at the time of bid opening. Furthermore, the bank's approved service area must include the Upper Bull Run watershed, specifically Hydrologic Unit Code (HUC) 020700100701. The final quantity of credits will be determined by the requirements of USACE State Program General Permit No. NAO-2026-01685 and DEQ Virginia Water Protection Permit No. WP4-26-1792. The contract will be awarded to the lowest responsive and responsible bidders based on unit cost, with the County reserving the right to award multiple contracts if a single bidder cannot provide the full quantity of credits. Bids must be submitted by December 15, 2026, and must include a W-9 form and Proof of Authority to Transact Business in Virginia. Required submissions include one physical hard copy and one electronic PDF copy on a USB flash drive. Upon award, the contractor must provide a written letter of credit availability and an executed purchase agreement within seven calendar days of the purchase order, followed by a Bill of Sale and verification of conveyance to USACE and DEQ within ten calendar days of payment.

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DEADLINE

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Bedford Borough Council

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DEADLINE

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West Yorkshire Combined Authority

POSTED

DEADLINE

Wetland Mitigation Credit ProviderThis subcontract opportunity with the South Dakota State Government seeks a recognized mitigation bank entity to provide certified wetland mitigation credits for prime contractors working on state transportation projects. The scope specifically includes project PCN 01VA – 08DJ – 08DK as well as other initiatives listed in the State Transportation Improvement Program. All provided credits must strictly adhere to USACE 404 Permit and EO11990 standards to ensure environmental compliance. The selected provider is required to maintain Commercial General Liability insurance of at least 1,000,000 dollars. Key deliverables for the contract include the provision of a Bill of Sale and the necessary notifications of acceptance from the USACE and FHWA. Interested parties must submit their responses by December 3, 2026.

South Dakota State Government

POSTED

DEADLINE

Urban Design and Historic Preservation ConsultantThe Spalding County Board of Commissioners in Georgia is seeking an Urban Design and Historic Preservation Consultant for a subcontracting opportunity. The selected consultant will be responsible for establishing visual and physical standards for the built environment to guide prime contractors on county projects. Key deliverables include the creation of form-based codes and historic preservation standards, as well as the production of supporting graphics, illustrations, and diagrams to help visualize Unified Development Ordinance requirements. Qualified candidates must possess specialized expertise in urban design, historic preservation, or form-based coding. This opportunity was posted on November 13, 2026, with a response deadline of December 15, 2026. The project falls under NAICS code 541620 and focuses on enhancing the architectural and historical integrity of the local environment through detailed design standards and visual documentation.

Spalding County Board of Commissioners

POSTED

about 14 hours ago

DEADLINE

in about 1 month

AI Contract Overview

The contract titled Erosion and Water Pollution Control seeks a subcontractor to implement erosion control measures and ensure stormwater compliance on projects under the City of Bellingham’s jurisdiction. Key responsibilities include the installation and maintenance of silt fences, sediment basins, and full adherence to the Stormwater Pollution Prevention Plan (SWPPP) requirements to mitigate environmental impacts from construction activities. The work is aimed at preventing soil erosion and controlling sediment runoff into nearby waterways, in alignment with state and local environmental regulations. The solicitation was posted on May 29, 2026, with a response deadline of June 16, 2026, and falls under NAICS code 541620, which pertains to environmental consulting services. The contract type is explicitly listed as a subcontract, indicating it is part of a larger project managed by a prime contractor. The place of performance is within the City of Bellingham, Washington, though specific addresses or locations are not detailed in the provided data. All work must comply with local environmental standards, and successful bidders must demonstrate proven experience in erosion and sediment control practices and SWPPP implementation.