Chemical Vegetation Control Services, West Thompson Lake, N. Grosvenordale, CT

The U.S. Army Corps of Engineers, New England District is soliciting bids for chemical vegetation control services at West Thompson Lake in North Grosvenordale, Connecticut. The contractor will be responsible for providing all labor, equipment, materials, transportation, and permits necessary to treat approximately 25 acres across three distinct work areas, including the West Thompson Dam, Reardon Road Dike, and adjacent field edges. Key requirements include removing vegetative growth, invasive plant species, noxious weeds, and grasses using state-approved chemicals while achieving a 90% kill rate within 30 days after treatment, with potential additional spraying if this target is not met. The contractor must submit Chemical Utilization Spray Reports upon completion of herbicide applications and comply with extensive safety and operational guidelines while minimizing environmental impact. All vendors must maintain an active registration in SAM.gov at the time of submission to be considered responsive. The solicitation closing date is January 5, 2026, at 2:00 PM Eastern Time, with an amendment issued on December 30, 2025, providing clarification regarding spot treatment of invasive species along Old Ravenelle Road in the West Side Treatment Area.

This procurement is set aside for small business concerns under NAICS code 561730 (Landscaping Services) with a Small Business Size Standard of $9.5 million. The previous contract was awarded to Global Maintenance LLC for $27,500, providing a reference point for contractor experience in this area. The period of performance extends from contract award through October 1, 2026, with all chemical treatment to be completed between June 1 and July 31, 2026. The total contract value reflects the $9.5 million small business size standard threshold. Work will be performed at the West Thompson Lake Project located in North Grosvenordale, Connecticut, with treatment areas precisely mapped and divided into three zones: the West Thompson Dam (approximately 20 acres), the West Side (approximately 3 acres), and the East Side (approximately 2 acres).