President Donald Trump barely mentioned clean water but did talk a lot about infrastructure in his speech to Congress Feb. 28—enough to assure the new head of the Environmental Protection Agency that U.S. water projects won’t be an afterthought in Trump’s $1 trillion infrastructure spending effort.

“I think infrastructure at times is interpreted only as roads and bridges,” Scott Pruitt, who was confirmed to head the agency less than two weeks ago, told Bloomberg BNA after Trump’s address to Congress.

Pruitt said he has been quietly urging the White House to be sure to set aside some of the new...