Aquatic Herbicide Application – Diquat + Copper Treatment

The contract involves the application of a specific herbicide mixture consisting of 1.5 gallons of Diquat and 3 gallons of copper per acre to manage and control the spread of curly-leafed pondweed across 550 acres of freshwater bodies. This treatment is designed to effectively suppress the aquatic weed while minimizing environmental impact, and it requires precise formulation and application protocols to ensure compliance with ecological safety standards. The work is to be performed by a subcontractor under the oversight of the Tennessee Department of General Services, with all activities focused on maintaining the health and balance of the state’s aquatic ecosystems. The solicitation was posted on May 18, 2026, and responses are due by June 5, 2026, providing potential contractors a 18-day window to submit proposals. The North American Industry Classification System code 541620 indicates the service falls under environmental consulting and related specialized technical services, underscoring the technical expertise required for proper herbicide deployment. Although the exact locations of the treatment areas are not specified, performance is expected throughout designated freshwater systems within Tennessee. Contractors must be prepared to meet regulatory requirements, demonstrate proven experience in aquatic vegetation management, and ensure all operations adhere to state and federal environmental guidelines during execution.