The seven-year lease for Dartmouth Health to run the only state-owned psychiatric hospital for juveniles cleared the Executive Council Wednesday. Gov. Chris Sununu called the pact one of the crowning achievements of his eight years in office that will end early next month.

Councilor Cinde Warmington was the only one to vote against the deal after raising concerns, including whether New Hampshire children would be guaranteed priority access to care ahead of out-of-state

After two weeks of delay amid concerns over accountability, the Executive Council approved a partnership Wednesday between New Hampshire and Dartmouth Health to take over and operate the state’s mental health hospital in Hampstead.