The Department of Defense, specifically the Department of the Army through the W071 Endist Omaha office, is seeking sources for the operation and maintenance of the Horizontal Reactive Treatment Well (HRX Well®) located in Antigo, Wisconsin. The procurement involves services for effective long-term in situ remediation of chlorinated volatile organic compounds (cVOC) through a system utilizing directionally drilled horizontal wells filled with granular reactive media to treat groundwater. This innovative approach is crucial for addressing groundwater contamination and ensuring environmental safety. Interested parties can reach out to Desiree Peters at desiree.m.peters@usace.army.mil or Christopher Kueffer at christopher.r.kueffer@usace.army.mil for further information regarding this sources sought notice.