David C. Waterman was sworn in Thursday as the United States attorney for the Southern District of Iowa, according to a news release.
Waterman was nominated by President Trump on March 31, 2025, and confirmed by the U. S. Senate on Oct. 7, 2025. Chief U. S. District Judge Stephanie M. Rose administered the oath of office to Waterman on Thursday.
“I am honored to be confirmed as the United States Attorney for the Southern District of Iowa. I am grateful to President Trump for the nomination and to Senators Grassley and Ernst for their steadfast support. I also extend my heartfelt thanks to my family, friends, and colleagues for their unwavering encouragement,” Waterman said. “Having been born and raised in the district, I am committed to upholding justice and safeguarding the community I proudly call home. I look forward to joining the many dedicated members of the United States Attorney’s Office and working with federal, state, and local partners to strengthen public safety and serve all Iowans.”
The U. S. Attorney’s Office in the Southern District of Iowa prosecutes federal crimes in 47 counties in Iowa. The office also defends the United States in civil cases and collects debts owed to the U. S.
Waterman was most recently employed at a private law firm in Davenport. Waterman spent four years as an assistant U. S. attorney for the Middle District of Florida. He also served as a law clerk to the Hon. Michael J. Melloy, with the U. S. Court of Appeals for the Eighth Circuit, the Hon. John A. Jarvey, with the Southern District of Iowa, and the Hon. Mark W. Bennett, with the Northern District of Iowa.