Mankato city manager Pat Hentges will retire by the end of the year. Hentges made the announcement at Monday night’s city council meeting. The council accepted his resignation with regret. Hentges has served as the city manager for 25 years. He told the council the job has given him a lot of pride and a sense of accomplishment thanks to the dedicated city staff. Hentges continued saying Mankato is a vibrant, diverse, regional community and he hopes the city’s current work has set the table for the future. He says the next city manager will face some challenges as well as some exciting times. Mayor Najwa Massad thanked Hentges for staying around this year, saying she knew he wanted to retire last year but was willing to stay on to assist the newcomers to city government.