Deputy Labour leader at the authority, Councillor Sarah Parkin, said: “It’s a huge amount of money to be wasted by the council at a point we are told budgets are tight and people can’t have the services they want or need.
“The taxpayers of Lincolnshire have a right to be furious about this when you think of what they have had to take over the last few years.
“For us to be cutting the funding that we have had, and to do this as well it just stinks – it’s awful.”
She said discussions would now be ongoing and called for a review into “what we’re doing wrong”.
“We cannot afford for it to keep happening,” she said.
Questions, however, still surround the circumstances of Mr Ireland’s departure after he became the third chief executive to fall out of favour with county council leaders since 1998.
Statements from the council have always maintained it was a mutually agreed split after “a difference of opinion on a number of important issues,” however, which issues they were has not been clarified.
Council leader Martin Hill said the decision to arrive at an agreement with Ireland was considered the most “cost-effective” way to bring the matter to a close.