Herbicide Treatment, Invasive Aquatic Plants

This solicitation from Snohomish County seeks a contractor to perform herbicide treatment of invasive aquatic plants within county water bodies. The work involves identifying affected sites, selecting appropriate herbicide agents, applying treatments according to environmental regulations, and providing post‑treatment monitoring and reporting. The RFP was posted on April 29 2022, with a clarification deadline of May 11 2022 and proposals due by May 19 2022. The contract was officially awarded on August 18 2022. • Scope: In‑water herbicide application for invasive plant control (e.g., Eurasian watermilfoil, hydrilla). • Requirements: Compliance with EPA and state water quality standards, documentation of treatment locations, dosages, and efficacy. • Delivery: Service performed on county‑owned lakes, ponds, and streams; final report due after treatment season.