Governor Snyder and former Flint Emergency Manager Darnell Earley will testify before congress in the next two weeks.ย Governor Snyder is slated to testify about the lead contamination of Flint’s water on March 17.ย Darnell early will appear on March 15. The witnesses scheduled for that day will also include Susan Hedman, the former Midwest Region 5 Administrator for the EPA. She resigned February 1.