The United States Geological Survey (USGS) intends to award a Sole Source contract to Microbac Laboratories for the analysis of water samples related to the Allegheny County Sanitary Authority (ALCOSAN). This procurement involves testing for fecal coliform densities, Escherichia coli bacterial densities, and Biochemical Oxygen Demand (BOD5) over a two-year period, ensuring scientific consistency with previous studies. The total estimated value of the contract is approximately $38,000, and interested parties must submit their capability statements by April 14, 2025, at 10:00 AM Mountain Time to Mindie Dixon at mdixon@usgs.gov.