Marshall Macomber is president of ThinkP3, a consultancy that helps elected leaders, the media and taxpayers better understand P3s and how they work. Prior to ThinkP3, Macomber served in government for more than 12 years in Washington, D.C., working in the U.S. House of Representatives as a top aide to Congressperson Mike Rogers of Alabama, the founder of the Congressional P3 caucus. Macomber started ThinkP3 after seeing the potential for public-private partnerships to help provide government services in tight fiscal environments. I3 senior editor Drew Campbell spoke with Macomber about the P3 market in the United States and, in particular, the Environmental Protection Agency’s newly established Water Infrastructure Finance and Innovation Act program that helps state and municipal water departments with public and private investment.

There has been anticipation that P3s in the United States w