Skip to main content
U.S. flag

An official website of the United States government

Jeff Frey

Jeff's research focuses on the transport of and biological response to nutrients, primarily in the Midwest. Recently the focus has been on edge-of-field studies and Supergages to better understand transport of nutrients. A focus recently has been building water quality and streamgage networks through collaborations with key groups like the Indiana Water Monitoring Council, Indiana Silver Jackets,

He began working with the USGS after graduate school in Indiana 1992 with the National Water-Quality Assessment (NAWQA) Program and has held several positions since then including overseeing the White River - Miami River NAWQA study unit and coordinating the Midwest Stream Quality Assessment in collaboration with the USEPA and NAWQA in 2013. Currently, he is the Director of the USGS Indiana-Kentucky Water Science Center in Indianapolis.