The Department of Defense, specifically the U.S. Army Corps of Engineers, Detroit District, is seeking contractors for the Clinton River Microbial Source Tracking project in Macomb and Oakland Counties, Michigan. The objective of this procurement is to conduct microbial source tracking (MST) analyses of E. coli samples from the Clinton River to identify potential human sources of contamination, which will aid in the development of the Macomb County Clinton River Water Quality Monitoring Plan. This initiative supports the Michigan Water Strategy aimed at protecting and restoring aquatic ecosystems through effective water quality monitoring. Interested contractors must submit proposals electronically via the Procurement Integrated Enterprise Environment (PIEE) system and ensure they are registered in the System for Award Management (SAM) prior to submission. For further inquiries, contractors can contact Joseph Orlando at joseph.orlando@usace.army.mil or Kari Tauriainen at Kari.Tauriainen@usace.army.mil.